Detcon FP Transmitter Test Fixture - Manual (Page 3)

Detcon Model FP Transmitter Test Fixture
Page 3 of 3
1.0 Description
The Detcon Model FP Transmitter Test Fixture is designed to test the operation of
Detcon Model FP Series LEL Transmitters. Models covered are series FP-424x, FP-524x,
FP-550x, and FP-624x.
2.0 Features
Reference figure 1 below for feature locations.
1 - Internal power supply and power switch
2 - Plug-in connector for FP-424 and FP-524 transmitters
3 - Catalytic bead open reference switch (SW2)
4 - Catalytic bead open active switch (SW3)
5 - Bridge voltage digital LED meter
6 - Plug-in connector for FP-550 and FP-624 transmitters
7 - mA output digital LED meter
8 - RS-485 output (FP-550 and FP-624)
9 - Fault and alarm relay output LEDs (FP-550 and FP-624)
10 - % LEL range selector switch