QTS-1800

The QTS-1800 Series are microprocessor based transmitters using a broad spectrum solid state sensor for the detection of hazardous gases such as Carbon Monoxide, Propane, Ammonia, and Freons. Typical applications include enclosed parking facilities, maintenance garages, loading bays, and chiller rooms. Temperature compensation is included as standard to maintain accuracy for all gas types. Humidity compensation is standard on Ammonia and Freon sensors, and is optional on CO and LEL sensors. The transmitter has an analog output of 4 to 20mA DC, linear to the measured gas range, for transmission to the BAS, or controller supplied by QEL or others. Test jacks are provided at the transmitter for true one-man calibration. The transmitter will accept input voltages of 24 VDC (three-wire) and 24 VAC (four-wire) with wide tolerances. The standard enclosure is ABS plastic NEMA 1, with NEMA 4x weatherproof as an option.