RKI Instruments 65-2615RK-05-04 - Manual (Page 8)

3 65-2615RK-05-04 M2 Transmitter Operator’s Manual
Chapter 2: Description
Overview
This chapter describes the components of the M2 transmitter. The transmitter is a 4 - 20
mA type detector head. It consists of the H
2
S detector, calibration adapter/splash guard,
terminal PCB, the M2 junction box, and the detector junction box. The two junction box
configuration is intended for situations where the detector needs to be installed at an
inaccessible location. The detector junction box can be installed at the inaccessible location
and the M2 junction box can be installed in a more readily accessible area.
External Description
This section describes the junction boxes and all external components of the M2
transmitter.
Figure 1: M2 External Components
Magnetic
W and
Terminal
Strip
3/4" N PT C onduit Hub
Calibration A dapter/
Splash Guard
3/4" N PT
Conduit
Hub
M2
Junction
Box
Detector
Junction Box
Hydrogen S ulfide
Detector
Mounting S lot (2x)
W indow