Description
1. Product Title
Bently Nevada 128031-01 – Proximitor Sensor Interface Module
2. Product Overview
The 128031-01 functions as a core proximitor signal conditioning unit within the Bently Nevada 3300 XL eddy current vibration monitoring system. It receives weak high-frequency signals transmitted from proximity probes and extension cables, performs impedance matching, signal amplification, filtering and linearization processing, and converts raw eddy current signals into standard DC voltage outputs for rack-mounted monitoring systems and PLC/DCS control platforms. As the intermediate signal processing hub, 128031-01 corrects signal drift caused by long-distance wiring and harsh on-site interference, guarantees consistent measurement linearity for shaft vibration, axial displacement and rotational position detection, and lays a solid foundation for reliable machinery protection and predictive condition monitoring of critical rotating equipment.
3. Technical Specifications
- Brand: Bently Nevada
- Model: 128031-01
- Warranty: One Year
- Condition: 100% New & Original
- Compatible Series: 3300 XL 8mm proximity probe assembly
- Input Interface: Matched 50-ohm eddy current transducer loop
- Output Signal: Linear DC voltage proportional to measured gap distance
- Operating Temperature: -40°C to +70°C
- Mounting Type: Standard DIN rail or control cabinet fixed installation
- Electromagnetic Protection: Built-in EMI/RFI filtering circuit
- Enclosure: Industrial-grade plastic housing with dust and splash resistance
- Power Supply: Low-voltage DC industrial control power input
4. Application Scenarios
- Power Generation Industry: Paired with proximity probes on steam turbines, generators and auxiliary pumps to process vibration signals for machinery safety protection systems.
- Petrochemical and Oil & Gas Plants: Used for signal conditioning on gas turbines, large centrifugal compressors and process rotary equipment to support trip interlock and online condition monitoring.
- Mining and Heavy Process Industry: Deployed for high-speed blowers, large fans and rotary kiln drive assemblies to maintain stable displacement measurement in dusty and high-vibration working environments.
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