Model TP-524D
TP-524D Instruction Manual
Rev. 0.8
Page 3 of 37
Field Replaceable Sensor
The Detcon solid-state H
2
S gas sensor is a field proven, replaceable type sensor. It can be accessed and
replaced in the field by removing the wiring from the connector PCB, and unthreading the Sensor from the
junction box. The Detcon solid state H
2
S sensor has an infinite shelf life and is supported by a 10 year,
industry-leading warranty.
Figure 4
Field Replaceable H
2
S Sensor
NOTE: The Field Replaceable H
2
S Gas Sensor is constructed from 316 Stainless Steel in order to maximize
corrosion resistance in harsh environments.
Base Connector PCB
The base connector board is mounted in the Junction Box. The connector board includes Lug less terminal
connections for incoming power and MA output, and connections for the H2S Replaceable Sensor.
Customer
Wiring
Wiring to
H2S Sensor
Figure 5
Base Connector Board
