Description
1. Product Title
Bently Nevada 128275-01 – Signal Conversion Proximitor Module for 3300 XL System
2. Product Overview
The 128275-01 is a precision proximitor signal conditioner designed exclusively for Bently Nevada 3300 XL eddy current non-contact measurement systems. It interfaces directly with 8mm proximity probes and matched extension cables, completing impedance matching, high-frequency signal demodulation, amplification and linear correction for gap measurement signals. Processed standard analog voltage outputs from 128275-01 can be directly transmitted to vibration monitoring racks, DCS and PLC systems for real-time data collection and fault judgment. This module effectively offsets signal attenuation and electromagnetic interference generated during long-distance field wiring, ensures continuous high-precision measurement of shaft radial vibration, axial thrust position and rotor runout, and enhances the stability of automatic protection interlocks for critical rotating machinery.
3. Technical Specifications
- Brand: Bently Nevada
- Model: 128275-01
- Warranty: One Year
- Condition: 100% New & Original
- System Compatibility: Full compatibility with 3300 XL 8mm eddy current probe assemblies
- Characteristic Impedance: 50Ω calibrated loop impedance
- Output Type: Linear DC analog output proportional to probe-to-target gap
- Operating Temperature: -40°C to +70°C
- Installation Method: Cabinet internal fixed mounting
- Anti-Interference Design: Integrated multi-stage EMI/RFI filtering circuit
- Housing: Robust industrial enclosure resistant to dust and minor corrosive gas
- Power Input: Regulated DC industrial control power supply
4. Application Scenarios
- Thermal Power Plants: Matched with proximity probes on steam turbines, turbo generators and boiler feed pumps to process vibration and thrust displacement signals for machinery protection systems.
- Oil & Gas and Petrochemical Complexes: Installed alongside gas turbines and large centrifugal compressors to support online condition monitoring and emergency trip safety logic.
- Heavy Process Industrial Facilities: Applied on large industrial blowers, induced draft fans and high-speed rotary equipment in metallurgy and chemical plants to maintain accurate gap measurement in harsh on-site environments.
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