Detail Sensor MQ-7 MQ7 Carbon Monoxide Sensor Module
Specification:
Operating Voltage: 5V DC
Heating Voltage: 5V (high) and 1.4V (low)
Load resistance: adjustable
Heating resistance: 33 Ohm
Warm Up Time: 60s (high) 90s (low)
Resistance Consumption: approx. 350mW
Oxygen Concentration: 21%
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