Spectrex Series 300 Open-Path Gas Detection System - Manual (Page 39)

Spectrex Inc. - SafEye TM 300 Gas Detector Manual – TM 794100, Rev. D, May 2004
31
Description
1 Air Duct Installation Surface
2 Duct Mount Screw Securing Hole
3 Hole for Detector / Light Source
Figure 9. Drilling Layout Dimensions for Duct Installation