Det-Tronics Technical Brief #355 explains how to commission the FlexSight LS2000 line-of-sight infrared hydrocarbon gas detector system, which uses a transmitter and receiver to detect gas by measuring infrared energy absorption. The video covers system operation, wiring, alignment, and calibration using a Trex HART Communicator or Gas Inspector software. It details key parameters such as receiver counts, gain, and lamp voltage, explaining how these interact to maintain optimal signal strength and accuracy. Proper installation requires verifying device spacing, mechanical alignment, and adjusting signal strength through apertures, lamp voltage, or zero calibration to ensure the system operates within specifications. The brief also demonstrates how to identify and resolve faults like signal saturation or beam blockage and how to optimize commissioning efficiency using the Trex “Favorites” menu for quick access to critical parameters. Once the LS2000 is properly aligned, zeroed, and verified to have stable green status indicators, it is ready for operation and further performance testing as outlined in Technical Brief 356.
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