Sell Mq-7 Co Carbon Monoxide Sensor Detector Alarm Module Gas Sensor My best price

Mq - 7 carbon monoxide gas sensitive sensor detection alarm module gas sensor sunlephant Technical parameters: - heating voltage: 5 ±0.2v (ac dc) - working current: 140ma - circuit voltage: 10v (maximum dc 15v) - load resistance: 10k (adjustable) - range of detection concentrations: 10-1000 ppm - voltage in clean air: 1.5v - sensitivity: 3 - response time: 1s (preheating 3-5 minutes) - response time: 30s - component power consumption: 0.7 w - working temperature: - 10~50°C (nominal temperature 20°C) - working humidity: 95% rh (nominal humidity 65% rh) Useful life: 5 years Size: 35mm x 22mm x 18mm - weight size: 6g Product characteristics: - have signal output indicator indicator indicator; - two-way signal output (analog output and high and low level signal output); - the output of high and low level signal is low level, and the single chip microcomputer can be connected directly; - the analog output is 0~5 v voltage, the higher the concentration voltage; High sensitivity and good selectivity to carbon monoxide gasses; Long-term service life and reliable stability; - rapid response recovery characteristics; Applications: Mainly used in household, factory, underground work indoor carbon monoxide gas collection and detection; Provide reference routines, circuit diagrams and detailed instructions for use.