Sulfur dioxide detector / gas detector brand, explosion-proof detector poisonous sulfur dioxide gas detector gas detector Jinan dioxide detector Features: special LCD display module, 3 1/2 digit display and dual beam. Input, output 4-20mA standard signal. Preheat the power does not alarm, automatic zero after the warm-up. Two alarms, alarm setpoints full scale adjustable, with contact signal output alarm. With alarm delay function effectively prevent false alarms. With a self-diagnostic function, fault alarm concentration alarm sounds and sound significantly different. Self-test function, the system itself LCD module, lights, alarm setpoint, alarm sounds, failure to detect the sound. Built-in clock chip, real-time display time. With alarm recording function, can record the alarm time and alarm values, can store up to 60 alarm recording, alarm recording convenient query. Modular design, according to the site need multiple combinations. SNT200 dioxide detector / gas detector price, sulfur dioxide detector main technical indicators: ■ Alarm sound and light alarm ■ Display 3 1/2 digit display and dual beam ■ low alarm value within the whole range adjustable ■ high alarm the value of the whole range adjustable response time 70dB ■ ■ Power 24V ■ contact output 24V, 1A (normally open contacts) ■ Working temperature: -10 ℃ ~ 50 ℃ Relative humidity: <93% RH