Product Details:

Bently Nevada 72850-03-04-04-01-01-01-15 is a rack-mounted 4-channel vibration monitor card designed for Bently Nevada 3300 turbine supervisory instrumentation system. This monitoring card receives displacement signals from matched eddy current proximity probes installed on rotating shafts, continuously measuring shaft radial vibration values for steam turbines, centrifugal compressors and generators. Each of the four independent channels supports separate configuration of alert and danger alarm thresholds. When vibration readings exceed the preset limit, the module triggers relay contact alarm output and 4-20mA analog recording signals to external DCS and PLC control systems for safety interlock and historical data trending. The 72850-03-04-04-01-01-01-15 integrates built-in sensor fault diagnostic logic, which can detect probe open circuit, short circuit and cable loop damage, helping maintenance technicians quickly locate faults in the sensor loop on site. Built-in signal noise filtering circuits effectively suppress electromagnetic interference and spurious signals caused by mechanical vibration in power plant and petrochemical industrial environments. Installed in standard 3300 instrument rack slots, this vibration monitor card communicates reliably with the rack backplane and rear terminal boards, supporting stable long-term continuous operation. Widely used in power generation, petrochemical and metallurgy industries, this multi-channel vibration monitoring module forms the core protection layer of rotating machinery TSI systems. It enables plant operators to track dynamic vibration trends in real time, identify rotor imbalance, shaft misalignment and internal rubbing risks at an early stage, avoid catastrophic mechanical damage and unplanned production downtime, and support the plant’s predictive maintenance strategy for critical rotating assets.

Core Attributes:

Brand: Bently Nevada

Model: 72850-03-04-04-01-01-01-15

Product Type: 4 Channel Vibration Monitor Card

Compatible System: Bently Nevada 3300 series TSI monitoring rack

Input Sensor: Eddy current proximity probe

Function: Multi-channel shaft radial vibration measurement, configurable alarm thresholds, relay contact output, 4-20mA analog output, sensor loop fault diagnosis

Mounting: Rack slot installation

Operating Temperature: 0°C ~ +65°C

Feature: Four independent measurement channels, built-in noise filtering, anti-electromagnetic interference, supports safety interlock and vibration trend recording