Product Overview

The 79512-03 is a high-performance Keyphasor Monitor Module designed for the Bently Nevada 3500 series machinery protection system. This dual-channel module is fundamental for advanced machinery diagnostics, providing a highly accurate phase reference signal derived from shaft rotation. By processing inputs from proximity probes or magnetic pickups, the 79512-03 generates a digital pulse once per revolution, enabling the monitoring system to calculate precise shaft speed and phase-locked vibration data. This information is critical for distinguishing between mechanical unbalance, misalignment, and other synchronous faults in high-speed turbines, compressors, and large industrial motors.

Detailed Technical Specifications

• Manufacturer: Bently Nevada (Baker Hughes)

• Model Number: 79512-03

• Module Type: Dual-Channel Keyphasor Monitor

• System Series: 3500 Monitoring System

• Input Signal Support: Proximity Transducers, Magnetic Pickups, and Active (non-contact) Speed Sensors

• Output Signal: TTL-compatible Keyphasor pulse to the 3500 system backplane

• Channel Configuration: Two independent channels (supports redundancy or multiple shaft speeds)

• Frequency Range: Supports shaft speeds from 1 RPM to 99,999 RPM

• Power Consumption: Typically <5 Watts

• Operating Temperature: -30°C to +65°C (-22°F to +150°F)

• Mounting: Standard 3500 Rack internal slot

• Net Weight: 0.998 kg (1000g)

• Country of Origin: United States (USA)