5pcs mq 7 co detectors Carbon Monoxide Monitor co Sensor

1, heating voltage: 5 ± 0.2V (AC · DC) 2, working current: 140mA 3, the loop voltage: 10V (Max DC 15V) 4, load resistance: 1K (adjustable) 5, detection concentration range: 10-1000ppm 6, clean air voltage: ≤ 1.5V 7, sensitivity: ≥ 3% 8, the response time: ≤ 1S (preheat 30-50 minutes) 9, reply time: ≤ 30S 10, component power consumption: ≤ 0.7W 11, the working temperature: -10 ~ 50 °C (nominal temperature 20 °C) 12, the working humidity: 95% RH (nominal humidity 65% RH) 13, service life: 5 years 14, size size: 35mm×22mm×18mm 15, weight size: 6g 16, with signal output indicator; 17, dual signal output (analog output and high and low signal output); 18, high and low signal output signal is low, can be directly connected to the microcontroller; 19, analog output 0~5V voltage, the higher the concentration, the higher the voltage; 20. It has high sensitivity and good selection performance for carbon monoxide gas; 21, with a long service life and reliable stability; 22, rapid response recovery characteristics;

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