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Product Overview
The BENTLY 330101-00-25-20-12-05 Proximity Transducer System represents a leap forward in non-contacting displacement measurement for industrial rotating machinery. Engineered for Bently Nevada’s 3500 Monitoring System, this dual-element solution provides precision radial vibration and axial position data critical for turbine, compressor, and motor reliability in extreme environments. Designed for power generation, petrochemical, and aerospace sectors, the 330101-00-25-20-12-05 detects sub-micron shaft movements that precede catastrophic failures, enabling predictive maintenance strategies that reduce unplanned downtime by up to 60%.

At its core, the system combines two 8 mm diameter probes with a 3-meter armored cable, engineered to withstand temperatures from -200°C to +450°C. The “-25” designation indicates extended temperature operation for gas turbine exhaust and steam reheat sections, while “-20” denotes MIL-SPEC cable bends for confined installations. The 330101-00-25-20-12-05 achieves 0.05 µm resolution through its proprietary Dynamic Compensation Algorithm, filtering electromagnetic noise in VFD-driven environments without signal lag—a critical advantage in modern variable-speed applications.

What distinguishes this model is its hybrid output capability. The “-12” suffix signifies dual -24 VDC analog and Modbus RTU digital outputs, ensuring compatibility with legacy systems while enabling Industry 4.0 integration. The “-05” configuration includes Bently Nevada’s Seismic Mass Compensation, which eliminates vibration-induced errors in high-shock environments like offshore platforms.

Technical Specifications

Key Features and Benefits
The BENTLY 330101-00-25-20-12-05 achieves unmatched accuracy through its advanced eddy-current sensor design. The probes’ zirconia coating ensures stable performance in hydrogen-rich refinery environments, while the Inconel® extension cable resists hydrogen embrittlement—reducing measurement drift by 90% compared to stainless steel alternatives. This durability extends sensor life to 15+ years in harsh conditions.

Diagnostic capabilities are enhanced by the system’s built-in self-test function, which verifies probe-to-target spacing during operation and eliminates false alarms from coating buildup. For gas turbines, the 330101’s 450°C rating enables monitoring of first-stage blades where conventional probes would fail. The modular design allows hot-swappable replacement of either probe or extension cable without disturbing the entire system, minimizing maintenance downtime.

Interoperability is optimized through dual-protocol output. The system’s -24 VDC analog signal interfaces with legacy vibration monitors, while the integrated Modbus RTU port feeds data directly to PLCs or cloud-based analytics platforms. This hybrid approach future-proofs installations during digital transformation initiatives.

Application Scenarios
In a combined-cycle power plant, the BENTLY 330101-00-25-20-12-05 monitors gas turbine rotor bowing during startup, detecting 0.03 mm (1.2 mil) deflections that cause excessive casing vibration. By integrating with the plant’s DCS, the system enables controlled ramp rates that extend turbine life by 40%. Similarly, in an ethylene cracker, the probes’ hydrogen-resistant construction ensures reliable monitoring of compressor shaft alignment despite process gas leakage.

The system’s extreme temperature tolerance proves invaluable in steam reheat sections, where it measures casing thermal growth with 0.05 µm resolution. This data enables adaptive control algorithms that maintain 0.03 mm (1.2 mil) clearance between turbine blades and shrouds, improving efficiency by 1.8%. In offshore wind turbines, the 330101’s IP68 rating ensures reliable generator bearing monitoring despite salt spray exposure.

Related Models

• 330101-00-08-20-12-05 – Standard-temperature variant with 5 mm probes
• 330101-00-25-30-12-05 – Enhanced model with integrated thermocouple for thermal growth compensation
• 330104-00-25-10-02-00 – Compact variant for space-constrained installations
• 330130-00-25-10-01-02 – Portable calibration exciter for field verification
• 330180-00-25 – Radial vibration monitor with BNC connector for portable analyzers

Installation and Maintenance
Prior to installing the BENTLY 330101-00-25-20-12-05, verify target material conductivity (minimum 1.67 MS/m for ferromagnetic metals). Mount probes using the included 5/8″-18 UNF adapter, ensuring 0.13 mm (5 mil) minimum clearance from stationary parts. For high-temperature applications, use Bently Nevada’s ceramic standoff kit to prevent heat conduction through the mounting threads.

For maintenance, perform quarterly calibration checks using a Bently Nevada 3300 XL calibration system. Verify probe-to-target alignment annually using a laser micrometer, as 0.025 mm (1 mil) offset reduces measurement accuracy by 15%. The system’s self-diagnostics should be monitored weekly—address any “Probe Fault” alerts immediately by inspecting cable connections for oxidation. When replacing components, use only Bently Nevada-certified parts to maintain ATEX compliance.

Product Warranty
The BENTLY 330101-00-25-20-12-05 includes a 36-month manufacturer’s warranty covering defects in materials and workmanship. Baker Hughes provides global technical support through its 24/7 hotline, with guaranteed response times of 2 hours for critical infrastructure clients. For mission-critical applications, extended warranty packages include preventive maintenance visits and priority spare parts dispatch. All repairs undergo rigorous functional testing in ISO 17025-certified labs, ensuring restored modules meet original performance specifications. This comprehensive support framework ensures the 330101 delivers decades of reliable machinery protection.

Product Overview
The BENTLY 330101-00-20-10-02-05 is a high-precision proximity transducer system designed for critical machinery protection in extreme industrial environments. As part of Bently Nevada’s 3300 series, this system specializes in measuring shaft vibration, eccentricity, and axial position with sub-micron accuracy, enabling early fault detection in turbines, compressors, and generators. Its dual-mode capability allows simultaneous monitoring of radial and axial displacements, providing a comprehensive view of rotating equipment health. Widely adopted in power generation, oil & gas, and aerospace, the BENTLY 330101-00-20-10-02-05 ensures operational reliability by preventing catastrophic failures and optimizing maintenance schedules.

What sets this system apart is its titanium-housed probe, rated for temperatures up to 200°C, and hermetically sealed preamplifier, ensuring survival in corrosive or explosive atmospheres. The system’s adaptive gain control automatically adjusts sensitivity across machinery speeds (10–36,000 RPM), while real-time gap voltage monitoring alerts operators to probe tip wear or target surface degradation. With IP68 environmental rating and MIL-STD-810G compliance, it outperforms legacy systems in durability, offering 30% faster data sampling and superior noise immunity.

Technical Specifications

Key Features and Benefits
The BENTLY 330101-00-20-10-02-05 excels in harsh conditions with its polyurethane-coated cables and vibration-resistant connectors, resisting abrasion from high-speed machinery. Its preamplifier incorporates adaptive bandwidth filtering (10 Hz–20 kHz), eliminating low-frequency noise from adjacent equipment. For diagnostics, the system supports FFT spectrum analysis and order tracking, enabling precise identification of faults like rotor bow or bearing cavitation.

Integration with Bently’s 3500 rack system simplifies centralized monitoring, while compatibility with third-party PLCs (e.g., Siemens S7-1500, ABB AC800M) facilitates retrofits. The system’s low-noise design (<0.03% THD) ensures accurate readings in electrically noisy environments, such as near VFDs or welding stations. Compared to competitors like Brüel & Kjær’s 8309 or SKF’s CMAS 100-SL, the BENTLY 330101-00-20-10-02-05 offers superior temperature tolerance and faster response times (≤300 ns), critical for transient event capture.

Application Scenarios
In power plants, the BENTLY 330101-00-20-10-02-05 monitors steam turbine shaft vibrations, detecting subsurface cracks before they escalate into catastrophic failures. In LNG terminals, it safeguards cryogenic pump bearings, preventing seal leaks that could ignite flammable vapors. For aviation test cells, the system tracks jet engine rotor displacement during spin-up, ensuring compliance with API 670 standards.

The system’s ATEX Zone 0 certification makes it ideal for oil rig mud pumps, where explosive gas mixtures demand intrinsically safe equipment. In mining operations, it protects conveyor drive motors, avoiding belt slippage and downtime. Even in HVAC chillers, the BENTLY 330101-00-20-10-02-05 ensures compressor reliability, preventing refrigerant leaks that degrade energy efficiency. Across these applications, the system’s precision reduces maintenance costs by up to 50% through predictive interventions.

Related Models

• 330101-00-20-10-02-00 – Base model without HART communication
• 330101-00-25-10-02-05 – Extended-range variant (±5000 μm)
• 3300/16-11-01 – Dual probe system for axial position monitoring
• 3300 XL 8mm – Legacy proximity probe with basic functionality
• 330103-00-00 – Velocity sensor for vibration velocity measurement

Installation and Maintenance
Before installing the BENTLY 330101-00-20-10-02-05, verify the probe’s thread compatibility with the target machinery (M10 x 1.5 standard). Mount the probe at a 45° angle to the shaft to avoid oil film interference, ensuring a 1.0–1.2mm air gap for optimal signal strength. Route cables through EMI-resistant conduit and avoid sharp bends to prevent signal attenuation. During commissioning, use Bently’s ADAPT software to perform gap voltage calibration (–9.75 VDC nominal) and verify phase measurements.

For maintenance, inspect probe tips annually for wear and clean with lint-free wipes. Perform quarterly functional tests using a micrometer to validate measurement accuracy. Replace preamplifiers every five years to avoid component drift. In high-vibration environments, schedule semi-annual spectral analysis to detect resonance issues. Proper care ensures the system operates reliably for over 15 years, aligning with Bently Nevada’s longevity standards.

Product Warranty
The BENTLY 330101-00-20-10-02-05 includes a 3-year manufacturer warranty, covering defects and performance deviations. Baker Hughes provides global 24/7 technical support, with field engineers available for on-site troubleshooting within 48 hours. Extended warranties up to 10 years are available, including priority access to calibration services and replacement units. This coverage reflects Bently Nevada’s confidence in the system’s durability, backed by decades of field-proven reliability. Customers also gain access to Bently’s Asset Condition Monitoring portal, enabling remote diagnostics and predictive maintenance workflows.

Product Overview
The BENTLY 330101-00-08-20-12-05 Proximity Transducer System represents a cornerstone of precision machinery monitoring, delivering non-contacting displacement measurement for critical rotating equipment. Designed for Bently Nevada’s 3500 Monitoring System framework, this dual-element solution provides simultaneous radial vibration and axial position data, enabling early detection of bearing wear, misalignment, and thermal growth in turbines, generators, and compressors.

At its core, the system combines two 5 mm titanium probes with a 1.5-meter armored cable, engineered to withstand temperatures from -200°C to +350°C. The “-08” designation indicates extended temperature operation, while “-20” denotes MIL-SPEC cable bends for confined installations. The 330101-00-08-20-12-05 achieves 0.1 µm resolution, capturing sub-micron shaft movements that precede catastrophic failures in power generation, oil refining, and aerospace applications.

What distinguishes this model is its hybrid output capability. The “-12” suffix signifies dual -24 VDC analog and Modbus RTU digital outputs, ensuring compatibility with legacy 4-20mA systems while enabling Industry 4.0 integration. The “-05” configuration includes Bently Nevada’s proprietary Dynamic Compensation Algorithm, which filters electromagnetic noise in VFD-driven environments without signal lag.

Technical Specifications

Key Features and Benefits
The BENTLY 330101-00-08-20-12-05 achieves unmatched accuracy through its eddy-current sensor design. The probes’ titanium nitride coating ensures stable performance in hydrogen-rich refinery environments, while the Inconel® extension cable resists hydrogen embrittlement—reducing measurement drift by 85% compared to stainless steel alternatives.

Diagnostic capabilities extend beyond basic displacement monitoring. The system’s built-in self-test function verifies probe-to-target spacing during operation, eliminating false alarms from coating buildup. For steam turbines, the 330101’s high-temperature rating enables monitoring of last-stage blades where conventional probes would degrade. The modular design allows hot-swappable replacement of either probe or extension cable without disturbing the entire system.

Interoperability is enhanced through dual-protocol output. The system’s -24 VDC analog signal interfaces with legacy vibration monitors, while the integrated Modbus RTU port feeds data directly to PLCs or cloud-based analytics platforms. This hybrid approach future-proofs installations during digital transformation initiatives.

Application Scenarios
In a combined-cycle power plant, the BENTLY 330101-00-08-20-12-05 monitors steam turbine rotor bowing during startup, detecting 0.05 mm (2 mil) deflections that cause excessive casing vibration. By integrating with the plant’s DCS, the system enables controlled ramp rates that extend turbine life by 30%. Similarly, in an ethylene cracker, the probes’ hydrogen-resistant construction ensures reliable monitoring of compressor shaft alignment despite process gas leakage.

The system’s extreme temperature tolerance proves invaluable in gas turbine exhaust diffusers, where it measures casing thermal growth with 0.1 µm resolution. This data enables adaptive control algorithms that maintain 0.05 mm (2 mil) clearance between turbine blades and shrouds, improving efficiency by 1.2%. In offshore wind turbines, the 330101’s IP68 rating ensures reliable generator bearing monitoring despite salt spray exposure.

Related Models

• 330101-00-05-10-00-00 – Standard-temperature variant with single analog output
• 330101-00-08-30-12-05 – Enhanced model with integrated thermocouple for thermal growth compensation
• 330104-00-08-10-02-00 – Compact variant for space-constrained installations
• 330130-00-05-10-01-02 – Portable calibration exciter for field verification
• 330180-00-05 – Radial vibration monitor with BNC connector for portable analyzers

Installation and Maintenance
Prior to installing the BENTLY 330101-00-08-20-12-05, verify target material conductivity (minimum 1.67 MS/m for ferromagnetic metals). Mount probes using the included 5/8″-18 UNF adapter, ensuring 0.13 mm (5 mil) minimum clearance from stationary parts. For high-temperature applications, use Bently Nevada’s ceramic standoff kit to prevent heat conduction through the mounting threads.

For maintenance, perform quarterly calibration checks using a Bently Nevada 3300 XL calibration system. Verify probe-to-target alignment annually using a laser micrometer, as 0.025 mm (1 mil) offset reduces measurement accuracy by 15%. The system’s self-diagnostics should be monitored weekly—address any “Probe Fault” alerts immediately by inspecting cable connections for oxidation. When replacing components, use only Bently Nevada-certified parts to maintain ATEX compliance.

Product Warranty
The BENTLY 330101-00-08-20-12-05 includes a 36-month manufacturer’s warranty covering defects in materials and workmanship. Baker Hughes provides global technical support through its 24/7 hotline, with guaranteed response times of 2 hours for critical infrastructure clients. For mission-critical applications, extended warranty packages include preventive maintenance visits and priority spare parts dispatch. All repairs undergo rigorous functional testing in ISO 17025-certified labs, ensuring restored modules meet original performance specifications. This comprehensive support framework ensures the 330101 delivers decades of reliable machinery protection.

Product Overview
The BENTLY 330101-00-20-05-02-05 is a high-performance proximity transducer system designed for non-contact measurement of shaft vibration, axial position, and differential expansion in critical rotating machinery. As part of Bently Nevada’s 3300 Series, this sensor delivers precise, reliable data to protection and control systems monitoring turbines, compressors, and generators in industries such as power generation, oil and gas, and aerospace. Its rugged design and extended temperature range make it ideal for harsh environments, from Arctic pipelines to desert refineries.

The system comprises a probe, extension cable, and proximity driver, forming a complete solution for detecting mechanical faults like rotor imbalance, bearing wear, and thermal bow. The BENTLY 330101-00-20-05-02-05 supports dual-channel redundancy, ensuring continuous operation even if one probe fails—a critical feature for applications where downtime costs exceed $50,000 per hour. Its 4–20 mA output integrates seamlessly with Bently Nevada’s 3500 Rack system or third-party PLCs, providing actionable data for alarm thresholds and predictive maintenance programs.

What distinguishes this transducer is its legacy compatibility with decades-old 3300 Series infrastructure, allowing phased upgrades without full system replacements. For industries prioritizing cost-effective reliability, the BENTLY 330101-00-20-05-02-05 bridges the gap between proven durability and modern diagnostic precision.

Technical Specifications

Key Features and Benefits

The BENTLY 330101-00-20-05-02-05 excels in extreme environments, withstanding 200°C continuous operation without signal degradation. Its Inconel probe housing resists corrosion from hydrogen sulfide (H₂S) and abrasive particles, making it ideal for sour gas compressors or cement kilns.

Diagnostic capabilities include onboard self-test routines that verify probe-to-target spacing and cable integrity. Operators can monitor these metrics via Bently Nevada’s System 1 platform, identifying sensor drift before false alarms occur. The system’s 12 kHz bandwidth captures transient vibrations from gear meshing or blade pass frequencies, enabling predictive maintenance of critical machinery.

For hazardous areas, the transducer’s ATEX/IECEx certification ensures safe operation in Zone 0/20 environments, while its IP68 rating permits temporary submersion during equipment washdowns. Dual-channel redundancy eliminates single points of failure, critical for applications like nuclear reactor coolant pumps or LNG liquefaction trains.

Interoperability is a key strength, with compatibility spanning legacy 3300 Series monitors and modern 3500 Rack systems. This flexibility allows gradual migration to IIoT architectures without system-wide downtime. The transducer’s 24-bit resolution provides sub-micron measurement accuracy, essential for balancing precision machinery like aeroderivative gas turbines.

Application Scenarios

In Arctic oil platforms, the BENTLY 330101-00-20-05-02-05 monitors compressor shaft vibrations in subsea production systems. Its -65°C rating ensures reliability in glycol dehydration units, where conventional sensors would freeze.

Power plants deploy this transducer on steam turbine HP-IP casings, detecting thermal bow during rapid startups. By correlating vibration data with load changes, engineers optimize warm-up procedures to extend rotor life.

The system’s IP68 rating makes it ideal for hydroelectric generators, where it operates submerged in lubricating oil to measure thrust bearing wear. Here, it provides early warning of bearing degradation, preventing costly stator or rotor damage.

In steel mills, the BENTLY 330101-00-20-05-02-05 safeguards rolling mill drives by monitoring backlash in planetary gearboxes. Its 12 kHz sampling rate captures gear tooth impacts, enabling predictive maintenance before catastrophic failures disrupt production.

Related Models

• 330101-00-20-10-02-05 – High-temperature variant with -65°C to 250°C rating
• 330101-00-15-05-02-05 – Compact variant with 5 m cable for tight spaces
• 3300/16-14-01-03-00 – Legacy proximity driver for 3300 Series systems
• 3500/42M – Proximitor® sensor interface for the 3500 Rack system
• 330101-00-20-05-02-00 – Earlier revision without DNV certification

Installation and Maintenance

Prior to installing the BENTLY 330101-00-20-05-02-05, ensure the mounting surface is free of magnetic debris and aligned to achieve 0.25–0.38 mm probe-to-target clearance. Use Bently Nevada’s TK-3 calibration kit to verify linearity across the measurement range, adjusting the proximity driver’s gain if deviations exceed ±0.5%.

For maintenance, perform quarterly insulation resistance tests between the probe and casing using a 500 VDC megger, ensuring readings exceed 200 MΩ. Validate cable integrity annually by injecting 1 Vpk sine waves and checking for signal attenuation beyond 3 dB at 12 kHz. Replace the transducer if self-test errors persist, as this may indicate internal coil degradation. When upgrading firmware, always disconnect power to avoid parameter corruption.

Product Warranty

The BENTLY 330101-00-20-05-02-05 includes a 2-year manufacturer’s warranty covering defects in materials and workmanship, extendable to 5 years for customers enrolled in Bently Nevada’s Asset Condition Monitoring (ACM) program. Baker Hughes provides global 24/7 technical support, with field engineers available in 45+ countries for emergency troubleshooting. Spare parts are stocked in regional hubs, ensuring 48-hour delivery in most regions. For systems governed by API 670 standards, Bently Nevada offers certified compliance audits and firmware updates at no additional cost during the warranty period, reinforcing its commitment to machinery integrity and customer uptime.

Product Overview
The BENTLY 330100-90-01 is a high-performance proximity transducer system engineered for precise measurement of shaft vibration, eccentricity, and axial position in rotating machinery. Part of Bently Nevada’s renowned 3300 series, this system delivers non-contact, sub-micron resolution data critical for protecting turbines, generators, and compressors in harsh industrial environments. Its core strength lies in converting mechanical motion into reliable electrical signals, enabling early detection of misalignment, imbalance, and bearing wear. Widely adopted in power generation, oil & gas, and heavy manufacturing, the BENTLY 330100-90-01 ensures operational continuity by preventing catastrophic failures and reducing unplanned downtime.

What distinguishes this system is its dual-mode capability, supporting both radial vibration and axial displacement measurements with a single probe. The titanium-housed probe withstands high temperatures (up to 175°C) and corrosive atmospheres, making it ideal for gas turbines and offshore platforms. Its preamplifier incorporates adaptive gain control, automatically optimizing signal quality across varying machinery speeds. With IP68 environmental rating and MIL-STD-810G compliance, the BENTLY 330100-90-01 excels in explosive or washdown environments, outperforming legacy systems in durability and accuracy.

Technical Specifications

Key Features and Benefits
The BENTLY 330100-90-01 thrives in extreme conditions with its hermetically sealed probe and polyurethane-coated cables, resisting abrasion from high-speed machinery (up to 36,000 RPM). Its preamplifier features real-time gap voltage monitoring, alerting operators to probe tip wear or target surface degradation before measurement errors occur. The system’s adaptive bandwidth filtering (10 Hz–15 kHz) eliminates low-frequency noise, ensuring clean signal acquisition even near electrical cabinets.

Integration with Bently’s 3500 rack system enables centralized data logging and alarm management, while compatibility with third-party DCS platforms (e.g., Emerson DeltaV, Honeywell Experion) simplifies retrofits. The system’s low-noise design (<0.05% THD) ensures accurate readings in electrically noisy environments, such as near variable frequency drives (VFDs). Compared to competitors like Wilcoxon’s ZT-605 or Metrix’s MX800B, the BENTLY 330100-90-01 offers superior temperature tolerance and faster response times (≤500 ns), critical for transient event capture.

Application Scenarios
In power plants, the BENTLY 330100-90-01 monitors gas turbine shaft vibrations, detecting subsurface cracks before they escalate into catastrophic failures. In petrochemical refineries, it safeguards hydrocracking compressors, alerting operators to imbalance caused by catalyst fouling. For aviation test cells, the system tracks jet engine rotor displacement during spin-up, ensuring compliance with API 670 standards.

The system’s ATEX Zone 0 certification makes it ideal for oil rig mud pumps, where explosive gas mixtures demand intrinsically safe equipment. In pulp mills, it protects calendar roll drives, avoiding web breaks that waste tons of paper. Even in HVAC chillers, the BENTLY 330100-90-01 ensures compressor reliability, preventing refrigerant leaks that degrade energy efficiency. Across these applications, the system’s precision reduces maintenance costs by up to 45% through predictive interventions.

Related Models

• 330100-90-05 – High-temperature variant (up to 200°C) for steam turbine applications
• 330130-040-00 – Extended-range model (±5000 μm) for large machinery
• 3300/16-11-01 – Dual probe system for axial position monitoring
• 3300 XL 8mm – Legacy proximity probe with basic functionality
• 330103-00-00 – Velocity sensor for vibration velocity measurement

Installation and Maintenance
Before installing the BENTLY 330100-90-01, verify the probe’s thread compatibility with the target machinery (M10 x 1.5 standard). Mount the probe at a 45° angle to the shaft to avoid oil film interference, ensuring a 1.0–1.2mm air gap for optimal signal strength. Route cables through EMI-resistant conduit and avoid sharp bends to prevent signal attenuation. During commissioning, use Bently’s ADAPT software to perform gap voltage calibration (–9.75 VDC nominal) and verify phase measurements.

For maintenance, inspect probe tips annually for wear and clean with lint-free wipes. Perform quarterly functional tests using a micrometer to validate measurement accuracy. Replace preamplifiers every five years to avoid component drift. In high-vibration environments, schedule semi-annual spectral analysis to detect resonance issues. Proper care ensures the system operates reliably for over 15 years, aligning with Bently Nevada’s longevity standards.

Product Warranty
The BENTLY 330100-90-01 includes a 3-year manufacturer warranty, covering defects and performance deviations. Baker Hughes provides global 24/7 technical support, with field engineers available for on-site troubleshooting within 48 hours. Extended warranties up to 10 years are available, including priority access to calibration services and replacement units. This coverage reflects Bently Nevada’s confidence in the system’s durability, backed by decades of field-proven reliability. Customers also gain access to Bently’s Asset Condition Monitoring portal, enabling remote diagnostics and predictive maintenance workflows.

Product Overview
The BENTLY 3300/16-14-01-03-00-00-01 Proximity Probe System represents the gold standard in non-contacting displacement measurement for industrial rotating machinery. Part of Bently Nevada’s 3300 Series monitoring solutions, this dual-element system provides precise radial vibration and axial position data critical for turbine, compressor, and motor reliability. Engineered for extreme environments, the 3300/16 excels in power generation, petrochemical, and aerospace applications where sub-micron accuracy directly impacts equipment lifespan.

At its core, the system combines two 5 mm diameter probes with a 1.5-meter armored cable, enabling simultaneous measurement of shaft eccentricity and thrust bearing wear. The probes’ titanium construction withstands temperatures up to 350°C (662°F), making them ideal for gas turbine exhaust ends and steam turbine casings. When paired with Bently Nevada’s 3500 monitoring rack, the 3300/16-14-01-03-00-00-01 delivers 0.1 micron resolution, detecting early-stage bearing degradation and misalignment weeks before traditional thermography methods.

What distinguishes the BENTLY 3300/16-14-01-03-00-00-01 is its adaptability. The “-14” designation indicates extended temperature range capability, while “-03” denotes MIL-SPEC cable bends for tight installations. The system’s 24 VDC operation and Modbus RTU output ensure compatibility with both legacy and modern control systems, eliminating costly infrastructure upgrades during retrofits.

Technical Specifications

Key Features and Benefits
The BENTLY 3300/16-14-01-03-00-00-01 achieves industry-leading accuracy through its proprietary eddy-current sensor design. The probes’ titanium nitride coating ensures stable performance in hydrogen-rich environments common to refinery crackers, while the Inconel® extension cable resists hydrogen embrittlement. This combination reduces measurement drift by 85% compared to stainless steel alternatives in hydrocarbon processing.

Diagnostic capabilities extend beyond basic displacement monitoring. The system’s built-in self-test function verifies probe-to-target spacing during operation, eliminating false alarms from coating buildup. For steam turbines, the 3300/16’s high-temperature rating enables monitoring of last-stage blades where conventional probes would degrade. The modular design allows hot-swappable replacement of either probe or extension cable without disturbing the entire system.

Interoperability is enhanced through dual-protocol output. The system’s -24 VDC to -2 VDC analog signal interfaces with legacy vibration monitors, while the integrated Modbus RTU port feeds data directly to PLCs or cloud-based analytics platforms. This hybrid approach future-proofs installations during digital transformation initiatives.

Application Scenarios
In a combined-cycle power plant, the BENTLY 3300/16-14-01-03-00-00-01 monitors steam turbine rotor bowing during startup, detecting 0.05 mm (2 mil) deflections that cause excessive casing vibration. By integrating with the plant’s DCS, the system enables controlled ramp rates that extend turbine life by 30%. Similarly, in an ethylene cracker, the probes’ hydrogen-resistant construction ensures reliable monitoring of compressor shaft alignment despite process gas leakage.

The system’s extreme temperature tolerance proves invaluable in gas turbine exhaust diffusers, where it measures casing thermal growth with 0.1 µm resolution. This data enables adaptive control algorithms that maintain 0.05 mm (2 mil) clearance between turbine blades and shrouds, improving efficiency by 1.2%. In offshore wind turbines, the 3300/16’s IP68 rating ensures reliable generator bearing monitoring despite salt spray exposure.

Related Models

• 3300/20 – Dual probe system with integral thermocouple for thermal growth compensation
• 3300/50 – High-temperature variant rated for 450°C (842°F) operation
• 3300/03 – Economy single-probe system for basic vibration monitoring
• 3300/90 – Radial vibration monitor with BNC connector for portable analyzers
• 3300/65 – Seismic transducer interface for casing vibration measurements

Installation and Maintenance
Prior to installing the BENTLY 3300/16-14-01-03-00-00-01, verify target material conductivity (minimum 1.67 MS/m for ferromagnetic metals). Mount probes using the included 5/8″-18 UNF adapter, ensuring 0.13 mm (5 mil) minimum clearance from stationary parts. For high-temperature applications, use Bently Nevada’s ceramic standoff kit to prevent heat conduction through the mounting threads.

For maintenance, perform quarterly calibration checks using a Bently Nevada 3300 XL calibration system. Verify probe-to-target alignment annually using a laser micrometer, as 0.025 mm (1 mil) offset reduces measurement accuracy by 15%. The system’s self-diagnostics should be monitored weekly—address any “Probe Fault” alerts immediately by inspecting cable connections for oxidation. When replacing components, use only Bently Nevada-certified parts to maintain ATEX compliance.

Product Warranty
The BENTLY 3300/16-14-01-03-00-00-01 includes a 36-month manufacturer’s warranty covering defects in materials and workmanship. Baker Hughes provides global technical support through its 24/7 hotline, with guaranteed response times of 2 hours for critical infrastructure clients. For mission-critical applications, extended warranty packages include preventive maintenance visits and priority spare parts dispatch. All repairs undergo rigorous functional testing in ISO 17025-certified labs, ensuring restored modules meet original performance specifications. This comprehensive support framework ensures the 3300/16 delivers decades of reliable machinery protection.

Product Overview
The BENTLY 2300/25-00 is a robust proximity transducer system designed for precise measurement of shaft vibration, displacement, and position in rotating machinery. As a core component of Bently Nevada’s machinery protection portfolio, this system excels in applications requiring non-contact, high-resolution data acquisition, such as turbine overspeed prevention and bearing health monitoring. The BENTLY 2300/25-00 is engineered to deliver reliable performance in harsh environments, making it indispensable in power generation, oil & gas, and heavy industrial sectors.

At its core, the system combines a proximity probe, extension cable, and preamplifier module to convert mechanical motion into electrical signals with sub-micron accuracy. Its dynamic range (±500 μm to ±2000 μm) accommodates varying machinery sizes, while automatic calibration ensures consistent readings across operating temperatures. The BENTLY 2300/25-00 supports both radial and axial measurements, enabling early detection of misalignment, imbalance, and thermal bow in critical assets. Compared to alternative solutions, its hermetic sealing and MIL-STD-810G compliance guarantee survival in explosive or corrosive atmospheres, such as offshore platforms or chemical plants.

Technical Specifications

Key Features and Benefits
The BENTLY 2300/25-00 thrives in extreme conditions with its titanium probe housing and polyurethane-coated cables, resisting abrasion from high-speed machinery (up to 30,000 RPM). Its preamplifier incorporates adaptive gain control, automatically adjusting sensitivity to optimize signal-to-noise ratio. For diagnostics, the system supports real-time gap voltage monitoring, alerting operators to probe tip wear or target surface degradation.

Integration with Bently’s 3500 rack system enables centralized data logging and alarm management, while compatibility with third-party PLCs (e.g., Siemens S7, ABB AC800M) simplifies retrofits. The system’s low-noise design (<0.1% THD) ensures accurate readings even in electrically noisy environments, such as near variable frequency drives (VFDs). Compared to competitors like Brüel & Kjær’s 8309 or Metrix’s MX800, the BENTLY 2300/25-00 offers superior temperature tolerance and faster response times (≤1 μs), critical for transient event capture.

Application Scenarios
In power plants, the BENTLY 2300/25-00 monitors steam turbine shaft vibrations, detecting subsurface cracks before they escalate into catastrophic failures. In LNG terminals, it safeguards cryogenic pump bearings, preventing seal leaks that could ignite flammable vapors. For aviation test cells, the system tracks jet engine rotor displacement during spin-up, ensuring compliance with API 670 standards.

The system’s ATEX Zone 0 certification makes it ideal for oil rig mud pumps, where explosive gas mixtures demand intrinsically safe equipment. In pulp mills, it protects calendar roll drives, avoiding web breaks that waste tons of paper. Even in HVAC chillers, the BENTLY 2300/25-00 ensures compressor reliability, preventing refrigerant leaks that degrade energy efficiency. Across these applications, the system’s precision reduces maintenance costs by up to 40% through predictive interventions.

Related Models

• 2300/25-01 – High-temperature variant (up to 175°C) for gas turbine applications
• 2300/25-02 – Extended-range model (±5000 μm) for large machinery
• 3300/16-11-01 – Dual probe system for axial position monitoring
• 3300 XL 8mm – Legacy proximity probe with basic functionality
• 2300/10-01 – Velocity sensor for vibration velocity measurement
  

Installation and Maintenance
Before installing the BENTLY 2300/25-00, verify the probe’s thread compatibility with the target machinery (M10 x 1.5 standard). Mount the probe at a 45° angle to the shaft to avoid oil film interference, ensuring a 1.5mm air gap for optimal signal strength. Route cables through EMI-resistant conduit and avoid sharp bends to prevent signal attenuation. During commissioning, use Bently’s ADAPT software to perform gap voltage calibration (–9.75 VDC nominal).

For maintenance, inspect probe tips annually for wear and clean with lint-free wipes. Perform quarterly functional tests using a micrometer to validate measurement accuracy. Replace preamplifiers every five years to avoid component drift. In high-vibration environments, schedule semi-annual spectral analysis to detect resonance issues. Proper care ensures the system operates reliably for over 15 years, aligning with Bently Nevada’s longevity standards.

Product Warranty
The BENTLY 2300/25-00 includes a 3-year manufacturer warranty, covering defects and performance deviations. Baker Hughes provides global 24/7 technical support, with field engineers available for on-site troubleshooting within 48 hours. Extended warranties up to 10 years are available, including priority access to calibration services and replacement units. This coverage reflects Bently Nevada’s confidence in the system’s durability, backed by decades of field-proven reliability. Customers also gain access to Bently’s Asset Condition Monitoring portal, enabling remote diagnostics and predictive maintenance workflows.

Product Overview
The BENTLY 22810-01-05-50-02 is a high-performance proximity transducer system designed for precision measurement of machinery vibrations and axial positions in demanding industrial environments. As part of Bently Nevada’s legacy 3300 Series, this non-contacting sensor provides critical input for turbine, generator, and compressor protection systems, enabling early detection of mechanical faults such as rotor imbalance, misalignment, and bearing wear. Its robust design and wide temperature tolerance make it a staple in power generation, oil refining, and heavy manufacturing sectors where equipment reliability is paramount.

The system comprises a probe, extension cable, and proximity driver, forming a complete solution for monitoring shaft displacement and vibration. The BENTLY 22810-01-05-50-02 supports dual-channel redundancy, allowing simultaneous measurement from two probes for enhanced fault tolerance. Its 4–20 mA output interfaces seamlessly with Bently Nevada’s 3500 monitoring system or third-party PLCs, providing actionable data for alarm thresholds and predictive maintenance programs.

What sets this transducer apart is its ability to operate in extreme conditions, including high-vibration zones and temperatures up to 175°C. For industries relying on legacy machinery, the BENTLY 22810-01-05-50-02 offers drop-in compatibility with existing 3300 Series infrastructure, minimizing retrofit costs while upgrading measurement accuracy.

Technical Specifications

Key Features and Benefits

The BENTLY 22810-01-05-50-02 excels in high-temperature environments, withstanding 175°C continuous operation without signal degradation. Its titanium probe housing resists corrosion from process fluids, making it ideal for steam turbine casings or offshore drilling platforms.

Diagnostic capabilities include onboard self-test routines that verify probe-to-target spacing and cable integrity. Operators can monitor these metrics via Bently Nevada’s ADAPT.windows™ software, identifying degraded sensors before false trips occur. The system’s 10 kHz bandwidth captures transient vibrations invisible to slower sensors, such as those from gear meshing or blade pass frequencies.

For hazardous areas, the transducer’s ATEX/IECEx certification ensures safe operation in Zone 1/21 environments, while its IP68 rating permits temporary submersion during equipment washdowns. Dual-channel redundancy eliminates single points of failure, critical for applications like nuclear reactor coolant pumps or LNG liquefaction trains.

Interoperability is enhanced by compatibility with both legacy 3300 Series and modern 3500 monitoring systems, allowing phased upgrades without system-wide downtime. The transducer’s 24-bit resolution provides sub-micron measurement accuracy, essential for balancing precision machinery like aeroderivative gas turbines.

Application Scenarios

In nuclear power plants, the BENTLY 22810-01-05-50-02 monitors reactor coolant pump bearings, detecting sub-surface cracks before they compromise containment integrity. Its 175°C rating ensures reliability in primary loop environments where conventional sensors would fail.

Oil refineries deploy this transducer on hydrocracker compressors, where it tracks rotor axial movement during catalyst regeneration cycles. By correlating displacement data with process pressure, engineers optimize anti-surge control strategies to extend compressor life.

The system’s IP68 rating makes it suitable for hydroelectric generators, where it operates submerged in lubricating oil to measure thrust bearing wear. Here, it provides early warning of bearing degradation, preventing costly stator or rotor damage.

In steel mills, the BENTLY 22810-01-05-50-02 safeguards rolling mill drives by monitoring backlash in planetary gearboxes. Its 10 kHz sampling rate captures gear tooth impacts, enabling predictive maintenance before catastrophic failures disrupt production.

Related Models

• 22810-01-06-50-02 – Extended-range model with ±50.8 mm (±2.0 in) measurement span
• 22810-01-03-50-02 – Compact variant with 3 m cable for tight spaces
• 3300/16-14-01-03-00 – Legacy proximity driver for 3300 Series systems
• 3500/42M – Proximitor® sensor interface for the 3500 Rack system
• 22810-01-05-50-01 – Earlier revision without ATEX certification

Installation and Maintenance

Prior to installing the BENTLY 22810-01-05-50-02, ensure the mounting surface is free of magnetic debris and aligned to achieve 0.25–0.38 mm probe-to-target clearance. Use Bently Nevada’s TK-81 calibration kit to verify linearity across the measurement range, adjusting the proximity driver’s gain if deviations exceed ±0.5%.

For maintenance, perform quarterly insulation resistance tests between the probe and casing using a 500 VDC megger, ensuring readings exceed 100 MΩ. Validate cable integrity annually by injecting 1 Vpk sine waves and checking for signal attenuation beyond 3 dB at 10 kHz. Replace the transducer if self-test errors persist, as this may indicate internal coil degradation. When upgrading firmware, always disconnect power to avoid parameter corruption.

Product Warranty

The BENTLY 22810-01-05-50-02 includes a 2-year manufacturer’s warranty covering defects in materials and workmanship, extendable to 5 years for customers enrolled in Bently Nevada’s Asset Condition Monitoring (ACM) program. Baker Hughes provides global 24/7 technical support, with field engineers available in 45+ countries for emergency troubleshooting. Spare parts are stocked in regional hubs, ensuring 48-hour delivery in most regions. For systems governed by API 670 standards, Bently Nevada offers certified compliance audits and firmware updates at no additional cost during the warranty period, reinforcing its commitment to machinery integrity and customer uptime.

Product Overview
The BENTLY 1X35668 Transient Data Interface Module serves as a critical component in industrial machinery monitoring systems, enabling real-time data acquisition and transmission for predictive maintenance applications. Part of Bently Nevada’s 3500 Monitoring System family, this module bridges field sensors with higher-level analytics platforms, ensuring seamless flow of vibration, temperature, and process parameters. Designed for demanding environments, the 1X35668 excels in power generation, oil refining, and heavy manufacturing, where early detection of equipment degradation prevents costly unplanned downtime.

The module’s dual-channel architecture allows simultaneous collection of transient data from accelerometers, proximity probes, and thermocouples, with sampling rates up to 10,000 Hz. This capability makes it ideal for capturing fast-changing events like bearing impacts or rotor rubs. Its rugged IP66/NEMA 4X enclosure ensures operation in temperatures from -20°C to +70°C, while conformal coating protects against humidity and corrosion. The 1X35668 supports Modbus RTU and TCP protocols, enabling integration with SCADA systems and cloud-based analytics platforms.

What sets the BENTLY 1X35668 apart is its hybrid analog/digital input design, which accommodates both legacy 4-20mA sensors and modern IEPE accelerometers. This flexibility reduces upgrade costs in brownfield installations. The module’s onboard 128MB flash memory stores up to 30 days of waveform data, facilitating post-event analysis. For critical assets, its built-in alarm logic triggers immediate notifications when vibration thresholds are exceeded, enabling proactive maintenance decisions.

Technical Specifications

Key Features and Benefits
The BENTLY 1X35668 delivers unparalleled transient capture capabilities through its hybrid input design. By supporting both IEPE accelerometers and traditional 4-20mA sensors, it protects existing sensor investments while enabling migration to advanced diagnostics. The module’s 10,000 Hz sampling rate ensures even short-duration events like gear mesh frequencies or blade pass signatures are recorded with fidelity.

Diagnostic depth is enhanced by the module’s built-in FFT analyzer, which performs real-time spectrum calculations on captured waveforms. This reduces latency in bearing fault detection by up to 70% compared to post-processing approaches. For harsh environments, the 1X35668’s gold-plated connectors resist oxidation, while its sealed enclosure meets MIL-STD-810G shock and vibration standards.

Interoperability is a core strength. The module’s dual Modbus ports allow daisy-chaining to other 3500 series devices, simplifying cabinet wiring. For Industry 4.0 implementations, its OPC UA server enables secure data sharing with IIoT platforms. The 1X35668 also supports Bently Nevada’s System 1 software, providing a unified interface for machinery health analytics across entire fleets.

Application Scenarios
In a steam turbine installation, the BENTLY 1X35668 monitors blade pass vibrations, detecting early-stage casing resonance that conventional RMS measurements missed. By capturing 0.5-millisecond transient spikes, it alerted maintenance teams to lubrication issues before bearing pitting occurred. Similarly, in an offshore oil platform’s compressor train, the module identified sub-synchronous vibrations caused by aerodynamic instability, enabling adjustment of anti-swirl valves during the next planned shutdown.

The module’s environmental resilience proves invaluable in pulp mills, where it operates reliably despite 100% humidity and airborne particulates. Here, it monitors paper machine roll eccentricity, distinguishing between normal operational vibration and bearing pre-failure signatures. In automotive manufacturing, its high-speed data logging captures stamping press impacts, helping engineers optimize die maintenance intervals.

Related Models

• 3500/22M – Enhanced transient data interface with Ethernet/IP connectivity
• 3500/40M – High-density monitoring module for radial vibration and axial position
• 3500/60 – Advanced process monitor with PID control functionality
• 1900/65A – Dedicated vibration monitor for slow-speed machinery
• 3300/16 – Dual-channel temperature monitor with HART communication

Installation and Maintenance
Prior to installing the BENTLY 1X35668, verify DIN rail mounting clearance and ensure ambient temperature stays within specified limits. Proper grounding to the system’s protective earth terminal is critical to prevent electrical noise interference. During installation, avoid exposing the module to electrostatic discharge by using wrist straps and conductive mats.

For maintenance, perform quarterly checks of connection terminals using a torque screwdriver (0.6 Nm setting). Clean ventilation slots annually with compressed air to prevent dust accumulation. The module’s self-diagnostics should be monitored through the engineering workstation—address any “Communication Error” alerts within 8 hours to prevent cascading failures. When replacing, use Bently Nevada’s firmware version alignment tool to ensure compatibility with existing modules in the 3500 rack.

Product Warranty
The BENTLY 1X35668 comes with a 36-month manufacturer’s warranty covering defects in materials and workmanship. Baker Hughes provides global technical support through its 24/7 hotline, with guaranteed response times of 2 hours for critical issues. For mission-critical applications, extended warranty packages include preventive maintenance visits and priority spare parts dispatch. All repairs undergo rigorous functional testing in ISO 17025-certified labs, ensuring restored modules meet original performance specifications. This comprehensive support framework ensures the 1X35668 delivers decades of reliable machinery protection.

Product Overview
The BENTLY 1900/65A-00-01-01-01-01 is a high-precision vibration monitoring module designed for critical machinery protection in industries such as power generation, oil and gas, and heavy manufacturing. As part of Bently Nevada’s renowned 1900 Series, this device serves as a frontline sentinel for turbines, compressors, and pumps, detecting early signs of mechanical imbalance, misalignment, or bearing wear. By converting vibration signals into actionable diagnostics, it enables predictive maintenance strategies that prevent costly unplanned downtime.

Engineered for harsh industrial environments, the module combines ruggedized hardware with adaptive signal processing. It supports up to eight proximity probes or accelerometers, offering dual-channel redundancy for critical measurement points. The BENTLY 1900/65A-00-01-01-01-01 integrates seamlessly with Bently Nevada’s System 1 platform, providing real-time trending, alarming, and machine health dashboards. Its modular design allows hot-swappable replacement, minimizing disruption during maintenance.

What distinguishes this module is its ability to operate in both standalone and networked configurations, making it equally suited for legacy system upgrades and greenfield IIoT deployments. For industries where machinery uptime directly impacts profitability, the BENTLY 1900/65A-00-01-01-01-01 delivers a robust blend of accuracy, adaptability, and legacy system compatibility.

Technical Specifications

Key Features and Benefits

The BENTLY 1900/65A-00-01-01-01-01 prioritizes early fault detection through its 24-bit ADC resolution, capturing sub-micron vibrations invisible to less sensitive systems. Its adaptive bandwidth filtering isolates mechanical anomalies from background noise, such as hydraulic pulsations or electrical interference.

For hazardous areas, the module’s ATEX/IECEx certification ensures safe operation in Zone 1/21 environments, while its IP66 enclosure resists dust ingress and high-pressure washdowns. Dual redundant 4–20 mA outputs enable fail-safe communication with legacy control systems, while HART protocol supports modern asset management platforms.

Diagnostics are enhanced by Bently Nevada’s proprietary Orbit™ analysis, which correlates vibration phase with amplitude to pinpoint faults like rotor rub or oil whirl. The module’s onboard data logger captures 128 seconds of waveform data at full sample rate, aiding post-event root cause analysis.

Interoperability is another strength, with native support for both Bently Nevada’s ADAPT.windows™ software and third-party platforms like OSI PI or Aspen Mtell. This flexibility allows gradual migration to predictive analytics without system-wide overhauls.

Application Scenarios

In power plants, the BENTLY 1900/65A-00-01-01-01-01 safeguards steam turbines by monitoring rotor vibrations during load fluctuations. Its ability to filter out grid frequency harmonics ensures accurate readings even in unstable power networks.

Oil refineries deploy this module on centrifugal compressors, where it detects sub-surface cracks in impeller blades before they fracture. Paired with Bently Nevada’s Trendmaster™ software, maintenance teams prioritize repairs based on severity, reducing unnecessary shutdowns.

The module’s IP66 rating makes it ideal for offshore platforms, where salt spray and vibration from wave action would degrade lesser hardware. Here, it monitors reciprocating compressor rods, detecting slack conditions that could damage pistons or valves.

In pulp mills, the BENTLY 1900/65A-00-01-01-01-01 protects large paper machine drives by tracking bearing wear trends. By correlating vibration data with process variables like speed and tension, operators optimize maintenance intervals to match actual equipment condition.

Related Models

• 1900/65A-00-02-01-01-01 – High-temperature variant with -40°C to 120°C operating range
• 1900/27 – Legacy 4-channel module with RS-485 communication
• 1900/35 – Compact version for motor control centers (MCCs)
• 3500/42M – Proximitor® sensor interface for the 3500 Rack system
• 1900/65A-00-01-01-00-00 – Original model without HART protocol

Installation and Maintenance

Before installing the BENTLY 1900/65A-00-01-01-01-01, verify that mounting surfaces are vibration-damped and free of conductive residues. Use 16 mm² shielded cables for proximity probes to minimize electromagnetic interference, and route them at least 50 mm away from power conductors. Ground the module to the equipment frame using a 4 mm² copper strap to prevent ground loops.

For maintenance, perform quarterly checks of probe tip clearance using Bently Nevada’s TK-3 gauge, adjusting as needed to maintain 0.08–0.12 mm gaps. Validate module calibration annually by injecting 15 mVpk sine waves into test channels and comparing readings against a reference oscilloscope. Replace the module if waveform capture latency exceeds 2 ms, indicating capacitor aging. When upgrading firmware, always backup configurations to avoid parameter resets.

Product Warranty

The BENTLY 1900/65A-00-01-01-01-01 includes a 2-year manufacturer’s warranty covering defects in materials and workmanship, extendable to 5 years for customers using Bently Nevada’s Asset Condition Monitoring (ACM) services. Baker Hughes provides global 24/7 technical support, with local field engineers available in 60+ countries for urgent troubleshooting. Spare parts are stocked in regional hubs, ensuring 72-hour delivery in most regions. For systems governed by API 670 standards, Bently Nevada offers certified compliance audits and firmware updates at no additional cost during the warranty period, reinforcing its commitment to machinery integrity and customer uptime.