
Detcon Model FP Transmitter Test Fixture
Operators Instruction Manual
June 17, 2008 * Document 3389 * Revision 1.1
3200 Research Forest Dr., Building A-1
Ph. 713-559-9200 / Fax 281-298-2868
DETCON, Inc.
The Woodlands, Texas 77387
www.detcon.com

Detcon Model FP Transmitter Test Fixture
Table of Contents
1.0 Description
2.0 Features
3.0 Specifications
4.0 Operation
5.0 Test Fixture Calibration
6.0 Warranty
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Detcon Model FP Transmitter Test Fixture
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
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