Spectrex 20/20U (UB) - UV Flame Detector - Manual (Page 13)

Spectrex Inc. - SharpEye™ UV Flame Detector Manual – TM 20/20UB Rev. E, August 2004
5
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)