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Catalytic S/T ENMET Corporation

2.0 Catalytic Combustible Gas Sensor/Transmitter Installation2.0 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

CAUTION: 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.

CAUTION: 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

TOP VIEW

SIDE VIEW

Conduit fitting

Typically: ½″″ NPT female

Approx.

12″

5″

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