79512-01 by Bently Nevada | Temperature Module for 3300 Series

Product Description

The Bently Nevada 79512-01 Thermocouple Input Module delivers accurate, stable, and continuous temperature acquisition for mission-critical rotating equipment. Designed for use with the 3300/30 and 3300/35 monitors, this module supports six thermocouple channels, allowing maintenance teams to track multiple temperature points from a single device. Moreover, its high-impedance design ensures clean measurement signals, even in electrically noisy environments.

This module plays an essential role in temperature-based diagnostics for turbines, compressors, pumps, and other industrial machinery. In addition, its rugged construction withstands vibration, oil contamination, and demanding plant conditions, providing years of dependable service. Engineers value its consistent performance because precise temperature data directly improves protective actions and predictive maintenance workflows.

Technical Specifications

General
Model Numbers: 79512-01, 79512-02
Module Type: Six-Channel Thermocouple Input Monitor
Compatibility: Bently Nevada 3300/30 and 3300/35 Temperature Monitors

Measurement Parameters
Number of Channels: 6 independent inputs
Supported Thermocouples: J, K, T, E, N, R, S, B
Temperature Range: Depends on sensor type (typ. –200 °C to +1800 °C)
Accuracy: ±0.5% FS or ±1 °C typical
Resolution: 0.1 °C
Input Impedance: High impedance for low-interference measurement

Power & Output
Power Supply: 24 VDC, supports redundant power configurations
Output Signal: 4–20 mA analog output per channel

Environmental
Operating Temperature: –30 °C to +65 °C
Storage Temperature: –40 °C to +85 °C
Dimensions: 33 × 25 × 4 cm
Weight: 0.5 kg

FAQ

Q1: How many temperature points can the 79512-01 monitor simultaneously?
It supports six independent thermocouple channels for multi-point monitoring.

Q2: Which thermocouple types are compatible with this module?
It supports J, K, E, T, R, S, B, and N sensors.

Q3: Does the module provide a 4–20 mA output?
Yes. Each channel delivers a 4–20 mA signal proportional to measured temperature.

Q4: Can it operate in high-vibration environments?
Yes. Its rugged construction is designed for challenging industrial conditions.

Q5: Is the module powered externally?
No. Power is supplied through the monitoring rack, with optional redundancy for reliability.