Spectrex 20/20U (UB) - UV Flame Detector User Manual
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Spectrex Inc. - SharpEye™ UV Flame Detector Manual – TM 20/20UB Rev. E, August 2004
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Figure 2. Flame Detector Assembly - Schematic Section
Note 1:
This figure describes the Detector, which includes Ground Terminal
for ATEX installation. For FM installation device, external grounding
screw mounting.
Note 2:
Thread for conduit standard size is 3/4”-14NPT (M25 optional)