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Sierra Monitor Corporation

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The 4501-05, a two-wire, loop- powered hydrogen sulphide gas sensor module, provides the user with lower cost and easier installation and maintenance –eliminating the need for separate power runs and associated power distribution and circuit protection for each device. The 4501-05 provides: low maintenance and installation costs; FM approval for performance and area safety requirements; fast response time, high accuracy; stainless steel transmitter and sensor enclosure; non-intrusive calibration matched with an integral scrolling menu-driven LCD display for easy access to gas status; calibration information and diagnostics; application adaptability with variable range selection and mounting configuration.