Bacharach H25-IR manual Explosive Atmosphere, Working Inside the Instrument, Cleaning

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Introduction	H25-IR

1.2.5 Explosive Atmosphere

Do not operate this instrument in the presence of flammable liquids, vapors or aerosols. Operation of any electrical instrument in such an environment constitutes a safety hazard.

1.2.6 Working Inside the Instrument

Only qualified maintenance personnel should access the interior of this instrument. Always unplug the AC power cord before performing any wiring or maintenance work.

1.2.7 Misuse and Modifications to Instrument

The operation of the H25-IR may be impaired if the instrument is used in a manner not specified in this instruction manual. Changes or modifications to the instrument, not expressly approved by Bacharach, will void the warranty.

1.2.8 In Case of Malfunction

Do not continue to use this equipment if there are any symptoms of malfunction or failure. In the case of such occurrence, unplug the AC power cord and contact a qualified repair technician or the nearest Bacharach Service Center.

1.2.9 Cleaning

USE a dry cloth to clean the outside of the case. DO NOT use soap and water.

2	Instruction 3015-4342

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Contents H25-IR Infrared Refrigerant Gas Leak DetectorWarranty Register Your Warranty by VisitingTable of Contents Parts and Service AC Power and Grounding Safety PrecautionsHazard Symbols IntroductionWorking Inside the Instrument CleaningExplosive Atmosphere Misuse and Modifications to Instrument Case of MalfunctionOrdering Information Unpacking and Initial ChecksFeatures and Capabilities Functional Overview Leak Rate = Flow Rate x Gas ConcentrationNames and Functions of Components Front ViewRear View Interior Standard Probe Standard Probe with LED and Programmable PushbuttonSmart Probe Smart Probe Keylock Function Menu System System MenuPreparing for Operation Connecting the ProbeConnecting the AC Power Cord Turning on the InstrumentGas Type System SetupMain Menu System Setup Menu Leak UnitsRelays 4 4-20 mA LoopBrightness Pchk ModeReset Defaults ClockConfiguring the Setups Function Setup NameRange Feedback Mode SetpointCalibration Search Auto ZeroTypical Relay 1 Wiring External Relay ConnectionsMA Current Loop Connector 4-40 mA Current Loop ConnectionPreparing for Operation H25-IR Internal Calibration Selection CalibrationSelecting Internal or External Calibration Calibration Data MenuExternal Calibration Selection and Setup CAL Internal CalibrationExternal Calibration Procedure CAL FactorMaterial Required Improving PPM Measurement Accuracy using the CAL Factor Adjusting the CAL Factor Restoring Factory CalibrationCalibration H25-IR Initial Setup Using the H25-IRPower OperationSetup Selection Range SelectionVolume Adjustment Searching for a LeakMeasuring the Leak Rate Measuring the PPM LevelLogging Measured Readings Working with Logged MeasurementsLog Menu Clearing the Log Diagnostics Menu What to Do when a Fault OccursWhat is PCHK? RS-232 CommunicationOperation H25-IR Maintenance Diagnostics MenuSensor Data Last Fault Pressure Factory MenuIR Emitter Factory Factory MenuLeak Gas Auto GainLeak Rate Leak TempLeak Tempco Sensor CalModel Select Probe TypeFirmware Flashing Memory Items RequiredSelect Setup Communications Select File Load Flash Image Part Replacement Removing the Top CoverFuse Replacement Probe Tip Filter & O-Ring ReplacementInternal Filter Replacement Parts and Service Replacement PartsService Centers United StatesSpecifications CFCs, HCFCs, HFCs and HalogensSpecifications H25-IR Appendix a Factory Defaults ContinuousAppendix a H25-IR H25-IR Appendix a Headquarters Hunt Valley Circle, New Kensington, PA