Bently Nevada 125710-01 Accelerometer Sensor Module

Overview

The Bently Nevada 125710-01 is a high-performance accelerometer designed for industrial machinery vibration monitoring. It continuously measures vibration levels in rotating equipment such as turbines, compressors, motors, and pumps. By converting mechanical motion into precise electrical signals, it enables early detection of mechanical issues like imbalance, misalignment, and bearing faults. Moreover, its rugged design ensures reliable operation in harsh industrial environments.

Key Features & Functional Highlights

• High-frequency response supports early detection of bearing wear and cavitation effects.

• Compact and lightweight design allows installation in tight or limited spaces.

• Reliable signal output integrates seamlessly with Bently Nevada monitoring systems.

• Durable construction withstands temperature extremes, vibration, and industrial contaminants.

• Multiple measurement ranges provide flexibility for various machinery types and operational speeds.

Technical Specifications

• Excitation Voltage: 4.7–5.5 Vdc

• Polarity: Signal positive with respect to SIG- when acceleration is from base to connector

• Quiescent Current: Defined for stable sensor operation

• Measurement Range: ±245 m/s² (±25 g), ±196 m/s² (±20 g)

• Frequency Response: Up to >20 kHz at ±2% accuracy (referenced to 80 Hz ±10%)

• Transverse Sensitivity: ≤7%

• Settling Time: Within 5% of bias, depending on configuration

• Mounted Resonant Frequency: >20 kHz

Typical Applications & Use Cases

• Monitoring roller element bearings in turbines, compressors, and motors

• Detecting cavitation effects in pumps and hydraulic systems

• Conducting vibration analysis in slow-rotating shafts and machinery

• Performing general machinery health monitoring across power generation, oil & gas, and manufacturing industries

• Supporting predictive maintenance programs to reduce unplanned downtime

Support & Maintenance

Routine inspection and calibration ensure optimal sensor performance. Moreover, Bently Nevada provides technical guidance for installation, integration, and troubleshooting to maximize reliability and longevity.

FAQ

Q1: Can the 125710-01 monitor high-speed turbine shafts?
A1: Yes, its wide frequency response up to >20 kHz allows accurate monitoring of high-speed machinery.

Q2: Is this sensor compatible with other Bently Nevada 3300 series monitors?
A2: Absolutely. It integrates seamlessly with Bently Nevada monitoring systems for continuous vibration analysis.

Q3: What environments is the sensor suitable for?
A3: The 125710-01 operates reliably in harsh industrial environments, including extreme temperatures and high vibration conditions.