Carbon dioxide sensor SRH Series

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Descriptions Miniature industrial grade NDIR CO2 sensor adopts NDIR technology to detect CO2 concentration in industrial applications. It adopts advanced non-dispersive infrared technology (NDIR), which can be integrated in safety and alarming devices, able to be used for CO2 incubator, greenhouse, environmental monitoring, HVAC, refrigerator, cold storage.The sensor contains all the necessary optics, electronics and firmware to provide a linearised, temperature compensated output. Features ▪ Multi-measurement range, with full range linearized and digital signal output ▪ Shock-resistant IR source available, diffused gas sampling via mesh ▪ Reference channel for self-compensation ▪ Build-in/Embedded temperature and humility compensation and matrix calibration to ensure accuracy ▪ High humidity alert mechanism, reliable fail-safe operation ▪ Auto zero-calibration mechanism available ▪ Fast response, no moving parts, high stability, anti-corrosion ▪ Multiple size options for different applications ▪ Meet the explosion-proof level Ex ia IIC T4 Ga, certification No. GYB19.1789 Specifications ▪ Measurement range: 0-5000ppm, 0-10000ppm, 0-20000ppm, 0-5%vol, 0-10%vol, 0-20% vol ▪ Response time: T90<25s ▪ Warm-up: 10s ▪ Working temperature: -40℃~+70℃ ▪ Working humidity: 0-95%RH(non condensing) ▪ Working voltage: 3.3-6.0VDC ▪ Working current: 55～60mA ▪ Signal output: UART-TTL (2.5-3.3V) /DA output (0.4-2V) ▪ Dimensions: Φ20*19mm (except pin) Applications ▪ Carbon dioxide gas leakage alarming ▪ CO2 incubator ▪ Greenhouse ▪ Controlled-atmosphere (CA) storage, cold-chain ▪ MAP (modified atmosphere packaging) storage ▪ Underground garage ▪ Hydroponic culture