RKI Instruments 65-2321RK - Manual (Page 9)

65-2321RK Oxygen Transmitter • 5
from a mounting surface and insure that there is enough room to install a calibration cup
on the detector during calibration.
Installation
This section describes procedures to mount the oxygen transmitter in the monitoring
environment and wire the transmitter to a controller.
Mounting the Oxygen Transmitter
1. Select a mounting site that is representative of the monitoring environment. Consider
the following when you select the mounting site.
• Select a site where the transmitter is not likely to be bumped or disturbed. Make
sure there is sufficient room to perform start-up, maintenance, and calibration
procedures.
• Select a site that is at normal breathing level.
Figure 3: Mounting the Oxygen Transmitter
2. At the monitoring site you select, hang or mount the junction box with the detector
facing down (see Figure 3).
J-Box
3.10
.38
.75
3/4 NPT
Female
Rubber Spacers 3X
Oxygen
Detector
3.65
6.8 Max
1-1/2 - 20 Thread for Calibration Cup