Fixed gas sensor is a Other Safety Products product. Key specs — Origin: China; Price Term: FOB.
Product Description
Fixed gas sensor can be detect combustible gas, such as: CH4, C4H10, H2S - hydrogen sulfide, Cl2 – chlorine, CO - carbon monoxide, HCN - hydrogen cyanide, O2 – oxygen, NO2 - nitrogen dioxide, LEL combustibles, NH3 – ammonia, SO2 - sulfur dioxide, ect. You can choose one type of gas to detect according your installed place.
Features nbsp * Use high-grade imported micro-processing chip; processing speed, high precision, reliable operation * Use calibration, alarm set points, on-site without opening the lid, long life * 4 ~ 20mA output signal and RS485 interfaces standard digital signal can be connected with the DCS system * Relay output linkage * Live misconnection protection, wiring error in the case of the transmitter is not compromised * Output signal protection, regardless of any fault, can guarantee that no more than 25mA current signal * Professionally designed mounting bracket, easy installation, fast nbsp Specifications  nbsp;  * Measuring principle: electrochemical catalytic combustion type; infrared semiconductor-type formula (see the gas list) * Display: none * Measuring range: 0-9999ppm; 0-100% LEL; 0-100% Vol * Accuracy: ≤ ± 3% FS * Response time: ≤ 15 S * Set by: the security of infrared remote control * Output signal: 4-20mA (3 wire) RS485 (4 wire) (maximum load 500 ohms) * Alarm mode: passive contact output, contact capacity 1A 24VDC * Transmission distance: 1,500 meters (2.5 mm2 copper cable) * Operating Voltage: 24V * Environmental Temperature -40 °C - +70 °C * Environmental humidity 15 ~ 95% RH * Dimensions 190 * 180 * 100 (mm) If interested, please contact us by email, we will supply fixed gas sensor with stable quality and reasonable price to you.