Bently Nevada 3500/42M 128229-01 | Proximitor Monitor Module Shelf life 1 year

Overview
The Bently Nevada 3500/42M (128229‑01) is a four‑channel seismic and proximity monitor module designed for the 3500 Machinery Protection System. It processes signals from proximity or seismic transducers to provide vital machine condition data and compares against configured Alert/Danger setpoints for protective action.

General Information
Brand: Bently Nevada
Country of Origin: United States
Model: 3500/42M
Part Number: 128229‑01
Series: 3500 Machinery Protection System
Product Type: Seismic/Proximity Monitor Module
Application: Turbines, compressors, and high‑speed rotating machinery for vibration and position monitoring

Power Specifications
Supply Voltage: Derived from system rack backplane
Power Consumption: Approximately 7.7 W typical
Protection Features: Built‑in self‑test, input buffering, and fault monitoring to ensure operational integrity

Communication & Interface
Inputs: Supports proximity probes, seismic sensors, velocity/acceleration transducers
Channel Count: Four channels, configurable in pairs for functions such as radial vibration, thrust position, differential expansion, eccentricity, acceleration, velocity, or shaft absolute motion
Outputs: Conditioned signals available for recorder or controller linkage
Diagnostics: Alarm logic, health‑monitoring status indicators, bypass mode support

Environmental
Operating Temperature: −20 °C to +65 °C
Storage Temperature: −40 °C to +85 °C
Humidity: Up to 95 % RH, non‑condensing
Installation: Rack‑mounted inside a control cabinet, designed for industrial machinery protection environments

Dimensions & Weight
Dimensions (L × W × H): 241.3 × 24.4 × 163.1 mm
Weight: Approx. 0.46 kg

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