Sentry G3 Monitoring and Protection System

Fully API Universal monitoring and protection platform for vibration, position, temperature and speed.

Absolute Bearing Vibration (FFT and harmonic analysis)
Relative shaft Vibration (FFT and harmonic analysis)
Shaft Eccentricity to 1RPM (FFT)
Shaft Position & Thrust
Differential Expansion with dual ramp option
Case Expansion (LVDT)
Speed, Overspeed and Phase Marker (Keyphasor)
Reverse Rotation
Rod Drop
Temperature
TCP Communications module

The Sensonics Sentry G3 concept builds upon the established range of Sentry products developed by Sensonics and has been designed to be the most flexible and feature rich machinery protection system available.

Each of the G3 module’s four channels can be independently programmed to provide continuous monitoring and protection across a broad spectrum of measurement regimes, including vibration, position, temperature and speed, providing a universal platform for the interfacing of various sensor types in compliance with the API 670 standard.

The unit has an integral intuitive colour LCD display and drive facility which provides immediate viewing and access to the machines parameters. Several modes of display are available to suit specific applications, such as an alarm historian and parameter trending per channel. The G3 system offers excellent channel density with up to 24 measurement channels in a 3U format, also each channel can provide independent analogue outputs of current and voltage for PLC connection.

The system is designed for mounting in a custom 19” rack assembly which also contains a dual redundant power supply option. The Sentry G3 system algorithms are particularly suitable for large turbine generator sets where the vibration monitoring forms part of the essential Turbine Supervisory System.

Key Features

Sentry G3 is designed so that each plug-in module provides up to four measurement channels. These can be independently programmed to provide continuous monitoring and protection facilities across a broad spectrum of sensor regimes (including vibration, expansion, temperature, speed and position).
Independent Alarms – High Integrity Utilising the latest DSP technology, once a channel is configured and running, the resulting alarm relay and analogue output facilitiesremain independent from the other module functionality.
This results in a scalable, high integrity configuration suitable for IEC61508 applications.
Immediate Viewing – Easy Access.
Each module is provided with an intuitive colour LCD display and menu drive facility to provide immediate viewing access to the machine parameters.
Several modes of G3 4 display are available including bar graph, FFT and an alarm historian.