Spectrex Quasar 900 Open-Path Gas Detection System Manual de usuario descargar pdf (Pagina 22)

SafEye

Quasar 900 Gas Detector

10 Description

2.6.1 Flash Source Unit

The Flash Source unit emits IR radiation pulses at the rate of two pulses per

second. The pulse width (5-10µsec) is very powerful. The front of the

source SafEye has a lens that collimates the IR beam for maximum

intensity. The front window is heated to improve performance in icing,

condensation and snow conditions.

There are four source types:

 For Short Range –901 – source P/N QT-X-11X

 For Medium Range 1- 901 – source P/N QT-X-21X

 For Medium Range 2- 903 – source P/N QT-X-31X

 For Long Range - 904 – source P/N QT-X-41X

Front Window Section

Back Cover

Label

Earth Terminal

Main Housing

Front Window

Mounting Plate

Cable Inlet

Junction Box

Indication Led

Figure 2: Flash Source

The sources for models 901, 902 and 903 are the same electronically and

optically. The only difference is in the apparatus

The source for model 904 has different optics with different XENON lamp

source.

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Spectrex Quasar 900 Open-Path Gas Detection System Manual de usuario Pagina 22