Overview
The Bently Nevada 3500/42 (138708-01) is a high-precision vibration monitor module for machinery protection and condition monitoring. It delivers accurate vibration and displacement measurements, enabling early detection of potential equipment faults. This module is ideal for turbines, compressors, and rotating machinery, ensuring reliable operation and supporting predictive maintenance programs.
General Information
Brand: Bently Nevada
Country of Origin: United States
Part Number: 138708-01
Series: 3500 Series
Product Type: Vibration Monitor Module
Mounting Method: Rack or panel-mounted within 3500 series monitoring system
Function: Monitors machinery vibration, provides alarm outputs, and supports protection logic
Technology: High-precision analog-to-digital conversion with integrated diagnostics
Power Specifications
Supply Voltage: 24 V DC
Power Consumption: ≤ 5 W
Input Source: Powered via 3500 system backplane
Protection Features: Overvoltage and reverse polarity protection
Indicators: LEDs for power, channel status, and alarm conditions
Communication & Interface
Communication Ports: System bus interface for 3500 series integration
Supported Protocols: Proprietary Bently Nevada communication standards
Diagnostics: Built-in self-test and channel fault detection
Configuration: Configurable via system software or local service terminal
Reset Options: Supports both hardware and software reset
Environmental
Operating Temperature: −40 to +70 °C
Storage Temperature: −55 to +85 °C
Humidity: Up to 95% RH, non-condensing
Protection Rating: IP20 (for cabinet installation)
Cooling Method: Natural convection
Dimensions & Weight
Dimensions (L × W × H): 241.3 × 24.4 × 163.1 mm
Weight: Approx. 0.46 kg
