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INSTRUCTION MANUAL SENSIT HXG-3 ® Combustible Gas Detector Read and understand instructions before use. 7WA6 Approved UL913, For Class 1, Division I, Groups C & D hazardous locations when used with alkaline batteries. Warning: To prevent ignition of flammable or combustible atmospheres, disconnect power before servicing.
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1000ppm) or exhaust gases. Continuously low calibration check results or fluctuation of zero readings may indicate sensor end of life or failure. Consult Sensit Technologies with any questions. For best accuracy always zero in clean air environments similar in temperature and relative humidity to the environment where the instrument will be used.
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CONTENTS Preparation For Your Safety .............. ii Parts and Accessories ...........5 General Description ............6 Sensor Specifications ............7 Product Specifications ...........7 Product Features ............. 8-10 Sensor Type ..............11 Basic Operation Battery Installation/Replacement .........12 Operation and Use ..........13-16 Calibration Check ............17 User Menu and Detailed Operation User Menu / Function Descriptions ......18 Printing to Optional IR Printer ........19...
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CONTENTS Tests and Calibration Bump Test ..............24 Smart-Cal .............. 25-26 Gas Type ..............27 Calibration Notes, Preparing For Calibration ....28 Combustible Gas Calibration (50% LEL Methane or 50% LEL Pentane) ..... 29-30 Factory Adjustble Features ..........31 Warranty ............Back Cover...
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