User guide
65-2649RK-CH4-4 M2A Transmitter Operator’s Manual 10
Figure 5: Outline & Mounting Dimensions, Detector Junction Box
3. Install 3/16 inch I.D. flexible polyurethane tubing to the fitting at the bottom of the
calibration adapter/splash guard and route it to an accessible area that is close to the
M2A junction box. See the “Parts List” on page 46 for available tubing.
IR LEL
Detector
2.70 .38
.75
J-Box
Rubbe
r
Spacer
,
3X
3.65
3/4 NPT
Female
Calibration
Adapter/
Splash Guard
9.00 MAX
5.25