1-6 | Model 888 ATEX IECEx Tail Gas Analyzer
Light Tube/Mirror Block Assembly
The oven optics consist of a light tube and mirror block assembly. The
light tube is used to maintain optical alignment. An RTD is mounted to
the light tube to monitor cell temperature. Due to the slow thermal re-
sponse of the light tube, the RTD response is a better indication of the
sample system components than if it was mounted in the air. The mirror
block includes two second surface mirrors 90 degrees to each other. The
two mirrors redirect the light from the Xenon lamp through the sample
cell back to the detector assembly.
Probe
The standard probe is a ½” 316 stainless steel tube with a wall thickness
of 0.035”. The probe has a standard length of 36” and can be trimmed to
final length at installation. Longer probe lengths are also available upon
request.
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