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DM-534C Oxygen Sensor Assembly

DM-534C O2 Sensor Instruction Manual Rev.1.4 Page 2 of 18

1.2 Base Connector Board

The base connector board is mounted in the explosion proof enclosure and includes: the mating connector for

the control circuit, reverse input and secondary transient suppression, input filter, and lugless terminals for

field wiring.

Customer

Wiring

Wiring to

O2 Sensor

Figure 3 Base connector board

1.3 Explosion Proof Enclosure

The sensors are packaged in a cast metal explosion proof enclosure. The enclosure is fitted with a threaded

cover that has a glass lens window. Magnetic program switches located behind the transmitter module face

plate are activated through the lens window via a handheld magnetic programming tool allowing non-intrusive

operator interface with the sensor. Calibration can be accomplished without removing the cover or

declassifying the area. Electrical classification is Class I; Groups B, C, D; Division 1.

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