A detailed description of Shandong Snow electronic Explosion dioxide detectors SNT200 type: Explosion dioxide detector Features: ★ imported sulfur dioxide electrochemical sensor; ★ stable performance, sensitive and reliable, long life; ★ in good anti-toxic, anti-jamming capability strong; ★ automatic zero calibration, measurement errors can be avoided long-term zero drift caused; ★ concentration signal output can be set multiple alarms; ★ overcurrent protection, reverse polarity protection; ★ RS485 communication interface, and the production of SNK series controller supporting the use; ★ wide operating voltage range: DC10V ~ DC30V. Technical indicators electrochemical detection method detection principle explosion-proof dioxide detectors to detect the content of sulfur dioxide in natural diffused work long continuous detection range of 0 ~ 100ppm response time ≤30S detection error <± 5% Ambient temperature -20 ℃ ~ + 50 ℃ Output signal density digital signal relative humidity of 30% to 95% of the working voltage DC10V ~ DC30V sensor life two 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 RS485 communication physical implementation of standard products GB