Blade Sentry - gas turbine blade monitoring system




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Optical Pyrometer Measurement System - Blade Sentry	Need more information?

Blade Sentry pyrometers are engine mounted to view the rotating gas turbine blades directly through a pressure-proof sight glass assembly.

The optical signal collected by the pyrometer is transmitted through a rugged, flexible, fiber optic light guide to a remote electronic signal conditioner.

The signal conditioner provides the following linear 4 to 20mA outputs for further analysis:

	Profile - a high speed signal sent to the data acquisition system for data logging
	Peak - the highest temperature on the blade array
	Average - the average temperature of the blade array
	Average Peak - the average of the highest temperature of each of the blades

Benefits

	Continuous on-line measurement of individual blade condition
	Increased efficiency through improved engine firing rate
	Detection of blocked cooling channels
	Reliable, accurate blade row temperature
	Early warning of potential blade failure caused by over-temperature operation
	Continuous monitoring of blade coating condition
	Blade Sentry pyrometer meets ATEX Directive 94/9/EC; coding CE Ex II 3 G T6

A key phasor/power supply module (KP/PSU) provides power for each pyrometer and converts the gas turbine, once per revolution pulse (from the GT), into a trigger signal for use with Rotor Sentry data acquisition system. The KP/PSU also provides user connections to pyrometer outputs of peak rotor temperature, average rotor temperature and average peak rotor temperature outputs from the pyrometer.

Blade Sentry Optical Pyrometer mounted on a Gas Turbine

Quick Links

Turbine Sentry - System Overview

Rotor Sentry - Data Acquisition System

Data Sentry - Data Analysis Software

Gas Turbine Emissions Monitoring

Further Information

Combustion Turbine Blade
Temperature Monitoring Systems
An in-depth guide to the products available. Size 365 KB (English)

Improving Gas Turbine Operating
Efficiency using Optical Pyrometry
The real benefits of blade temperature monitoring and the efficiency benefits to be gained. Size 370 KB (English)

If you would like more detailed product information please use the Further Information form.
Combustion Turbine Blade Temperature Monitoring Copyright © 1998-2006 Land Instruments International. All rights reserved. Combustion Site Map Information updated: 21-Sep-2006