Weifang Explosion-proof portable carbon monoxide alarm device

Weifang Explosion-proof portable carbon monoxide alarm; portable carbon monoxide alarm device as follows: The main features of the digitizing module design ◆ High-speed CPU processing, automatic failure identification, automatic alarm, automatic protection of high concentration overrun. Automatic measurement accuracy ◆ sensor using imported gas sensors, high precision, high reliability, gas selectivity, anti-interference ability and other characteristics. Low power consumption ◆ normal monitoring state working time> 4000 hours. LCD display ◆ LCD LCD screen can display gas concentration, work status, battery level, etc., simple operation and easy maintenance. Intrinsically safe design ◆ Explosion Proof Ex ia IIB T4 Ga, protection class IP65. Technical parameters ◆ Detection principle: Electrochemical ◆ Sampling method: natural diffusion ◆ Accuracy: ± 5% FS ◆ T90: <60s ◆ Alarm: sound and light alarm ◆ Explosion levels: intrinsically safe ◆ Display: LCD ◆ sound intensity :> 75dB ◆ Explosion-proof mark: Ex ia IIB T4 Ga ◆ Temperature range: -20 ℃ ~ 50 ℃ ◆ Humidity: 10 ~ 95% RH ◆ Power Supply: CR2 battery ◆ Standby time: Normal operation> 4000 hours ◆ Dimensions: 101mm × 52mm × 30mm ◆ measuring gases: carbon monoxide gas; Weifang explosion-proof portable carbon monoxide alarm device; after-sales service, 1 year warranty and lifetime maintenance.