Carbon monoxide gas detectors bus system features: ★ using imported electrochemical carbon monoxide sensor; ★ performance stable, sensitive and reliable, long life; ★ in good anti-toxic, anti-jamming; ★ automatic calibration zero, to avoid long-term zero drift measurement error due; ★ concentration signal output can be set multiple alarms; ★ overcurrent protection, reverse polarity protection; ★ RS485 communication interface with the production of SNK series controller supporting the use of; ★ Wide operating voltage range: DC10V ~ DC30V. Bus Technical indicators to detect carbon monoxide gas detector system principle electrochemical detection method natural diffused Test content of carbon monoxide in the air long-term continuous work Detection range 0 ~ 1000ppm response time ≤30S detection error <± 5% Ambient temperature -20 ℃ ~ + 50 ℃ Output signal Digital Signal levels relative humidity of 30% to 95% of the working voltage DC10V ~ DC30V Sensor Life 2 years signal transmission distance <1000 m working pressure (86 ~ 106) kPa Dimensions 158 × 130 × 93mm proof level ExdⅡCT6 ( flameproof) Line Interface 1/2 inch thread Weight see kind of communication product performance standards GB RS485 bus system is a carbon monoxide gas detectors can detect carbon monoxide gas concentrations line of gas detectors, high sensitivity, fast test results correct, explosion-proof gas detection instruments, can work continuously, reliable quality.