Bently Nevada 143729-01 Compressor Protection Module

Quick Overview

The 143729-01 is a high-performance Cylinder Pressure I/O Module specifically engineered for the Bently Nevada 3500/77M Recip Cylinder Pressure Monitor system. This module provides the essential interface for monitoring reciprocating compressors, capturing critical internal pressure data to prevent rod reversal issues and mechanical failures. 

• Model Number: 143729-01

• Product Type: Cylinder Pressure I/O Module

• Series Compatibility: 3500/77M Reciprocating Monitor

• Channels: 4 Independent Pressure Inputs

• Input/Output Voltage: ±10 V

• Input Impedance: 10 MΩ

• Power Supply: 24 V DC ±10% (Optional 125 V DC)

• Power Consumption: 25 W

• Operating Temp: -40°C to +85°C

• Dimensions: 24.18 cm (L) x 2.44 cm (W) x 24.13 cm (H)

• Weight: 0.91 kg

Key Features

• Advanced Multi-Point Sensing: Features four dedicated channels for precise cylinder pressure monitoring, enabling a comprehensive view of compressor performance across multiple cylinders.

• High-Impedance Interface: The 10 MΩ input impedance ensures minimal signal loading, maintaining the absolute integrity of raw pressure sensor data for diagnostic accuracy.

• Surface Mount Technology: Utilizes modern SMT design for a compact, vibration-resistant footprint that fits seamlessly into the standard 3500 rack architecture.

• Extreme Environmental Resilience: Rated for a wide temperature range of -40°C to +85°C, ensuring stable operation near high-heat compressor cylinders and in outdoor industrial shelters.

• Flexible Power Options: Supports standard 24 V DC industrial power with an optional 125 V DC configuration for facilities utilizing high-voltage battery backup systems.

• Deterministic Protection: Provides the real-time data required by the 3500/77M monitor to perform rod load calculations and peak pressure alarming.