ENMET EX-5000 User Manual
Page 5

Catalytic S/T
ENMET Corporation
3
2.0 Catalytic Combustible Gas Sensor/Transmitter Installation
2.0 Catalytic Combustible Gas Sensor/Transmitter Installation
The ENMET catalytic combustible gas sensor/transmitter (S/T) is a three or four wire 4-20 mA S/T for the detection
of combustible gas. The S/T is meant to be used in conjunction with an appropriate power supply and controller. The
S/T is in an enclosure rated for use in a Class I, Div. 1, Groups B, C, D, classified area.
2.1 Installation
C
AUTION
:
Area must be declassified during installation.
2.1.1 Mounting
Mount the enclosure, using the two mounting holes provided see figure 1. Pay particular attention to the source and
density of the gas being detected when choosing the location.
C
AUTION
:
Before connecting S/T to controller remove the power source to controller. Failure to do so may cause
damage to sensitive components.
Figure 1: Mounting Dimensions of Catalytic Combustible Gas Sensor/Transmitter
Sensor
Mounting Holes
2 places, 0.313
″″
Sensor/Transmitter
Enclosure Side View
Sensor/Transmitter
Enclosure Top View
Sensor
T
OP
V
IEW
S
IDE
V
IEW
Conduit fitting
Typically: ½
″″ NPT female
Approx.
12
″
5
″