CO2 and toxic gas detector
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toxic gas detector
Multiple functions, high performance, low price, make it praiseworthily. Real-time detecting and LCD displaying CO2 concentration, temperature and %RH . Non-Dispersive Infrared Detector (NDIR)15 years lifetime of CO2 sensor . Also as transducer of CO2 or as the controller of CO2, temperature and humidity. Microprocessor control and programmable logical control. RS-485 communication interface, 15KV antistatic protection, independent base address. Providing 0~10V analog signal and relay dry-contact output. Analog output with two alternatives: linearized over full range output or PID control output. Optional on board relay with field adjustable trip point according to CO2, temperature or humidity (programmable selection) .
Locale adjustable range CO2: 0~20,000 ppm or 0~50,000ppm; temperature: 5~450; humidity: 5~95%RH
ABC Logic with patented Self Calibration Algorithm makes end users use it for 15 years without calibration amending. That is suitable for where concentrations will drop to outside ambient conditions (about 400ppm) at least 3 times in a 14 day period