Detcon FP-524C User Manual

detcon inc.Detcon MicroSafe™FP-524C Combustible Gas Sensor (0-100% LEL)Operator’s Installation & Instruction ManualAugust 12, 2010 • Document #226

There is a limit 0.5 ohm maximum resistance drop per wire over the seperation distance.AWG Maximum Seperation (feet)20 5018 7516 12514 175 Reference f

a) FP-524C “Fault” LED is off.b) A temporary upscale reading may occur as the sensor heats up. This upscale reading will clear to “0”% within 1-2 minu

labeled “PGM 1” and “PGM 2” allow for complete calibration and programming without removing the enclosurecover, thereby eliminating the need for area

Model FP-524C Combustible Gas Sensor PG.13MethylethylketoneCyclohexaneBenzeneHydrogen SulphideMethyl n-propylketoneToluene2,3-DimethylpentaneTriethy

3.7.2 Verification of Target Gas and Calibration Gas ConfigurationVerification of target gas and calibration gas configuration is obtained via intera

b) Next, scroll to the “SET CAL FACTOR” listing and then hold the programming magnet over “PGM 1” for 3seconds. The menu item appears as “CAL FACTOR #

b) If the calibration gas level setting is equal to your calibration span gas concentration, proceed to item “f”. Ifnot, adjust the calibration gas le

3.9 STATUS OF PROGRAMMING, TARGET GAS, CALIBRATION GAS, CALIBRATION LEVEL, SENSOR LIFE, AND BRIDGE VOLTAGEThe programming menu has a programming stat

Fail-Safe/Fault SupervisionModel FP-524C MicroSafe™ sensors are programmed for fail-safe operation. Any of the following fault conditionwill illuminat

3. Check validity of cal gas via the expiration date and use pull tube if necessary.4. Check for obstructions through stainless steel sinter element (

Table of Contents3.0 Description3.1 Principle of Operation3.2 Application3.3 Specifications3.4 Operating Software3.5 Installation3.6 Start-up3.7 Targe

3.13 SPARE PARTS LIST613-010000-000 Sensor rain shield613-120000-000 Sensor splash guard943-000006-132 Threaded Calibration Adapter 399-602016-000 LE

3.16 SOFTWARE FLOWModel FP-524C Combustible Gas Sensor PG.21NORMALOPERATIONCALIBRATIONPGM1 (3) PGM2 (3)PGM1 (M) PGM2 (M)PGM1 (3)INCDECPGM1 (3) PGM2

3.0 DESCRIPTIONDetcon MicroSafe™ Model FP-524C, combustible gas sensors are non-intrusive “Smart” sensors designed to detectand monitor combustible g

3.0.2 Microprocessor Control CircuitThe control circuit is microprocessor based and is packaged as a plug-in field replaceable module, facilitating e

3.1 PRINCIPLE OF OPERATIONMethod of detection is by a controlled rate of diffusion/adsorption. Air and gas diffuse through a sintered stainlesssteel

3.2 APPLICATIONModel FP-524C MicroSafe™ sensors are designed to detect and monitor combustible gas in ambient air in the range of0-100% LEL. Minimum

a) Current Status02. Calibration Modea) Zerob) Span03. Program Menua) Program Statusb) Target gas selection (gas K factor)c) Calibration gas selection

3.5 INSTALLATIONOptimum performance of ambient air/gas sensor devices is directly relative to proper location and installation practice.3.5.1 Field

Note: In all installations, the sensor element in SS housing points down relative to grade (Fig. 1). Improper sensororientation may result in false re