electrochemical sensors, 2-year working life; range: 0 ~50 ppm, 0 ~ 500ppm, 0 ~ 1000ppm ,optional accuracy: ¡À 3% F.S. shell material: Aluminum flameproof shell flameproof Rating: Exd IIC T6; the level of security: IP66; optional LCD display, including: 50 of the percentage of the rods process, five of the eight digital display measured values, eight of the 16-meter font of information tips working temperature: -20 ~ 50 ¡ã C working humidity: 10 ~ 95% RH non-Ning Lu; ***ection gas:CO And you can ***ector other gas if you change sensor the analog signal output: Two-4 ~ 20 mA linear output; 3.6 mA output calibration and 22.8mA fault output voltage: 24 VDC (12 ~ 45VDC); current work: 3.3 mA (minimum), 23 mA (maximum). Sampling methods: diffusion
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