Spectrex 20/20L (LB) - UV/IR Flame Detector - Manual (Page 14)

Spectrex Inc. - SharpEye TM UV/IR Flame Detector Manual – TM20/20LB 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, which includes 1/4”
thread for external grounding screw mounting.
Note 2: Conduit/cable entries - standard size is 3/4”-14NPT or M25 as
specified at time of order