MQ-7 MQ7 Kohlenmonoxid CO Gassensor Modul Arduino UNO Mega2560 A123 M27
Technical Data - Heater Voltage:5±0.2V（AC or DC） - Working current:140mA - Loop Voltage:10V(≤15V DC) - Load Resistance:10K(Adjustable) - Concentration:10-1000ppm - Sensitivity:≥3% - Response Time:≤1S(Heater Time 3-5min) - Recovery Time:≤30S - Power Consumption:≤0.7W - Working temperature:-10~50℃ - Woring humidity:95%RH - Use age:5 years - Size:35mm×22mm×18mm(L×W×H) Features - Signal output light indicator; - Analog and level signal output; - High and low level signal output signal for low level effectively, can be directly by single chip microcomputer; - On carbon monoxide gas has high sensitivity and good selectivity; - Has a long service life and reliable stability; - Rapid response recovery features; Application -Mainly used in homes, factories, underground work indoor carbon monoxid.
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