3Pcs MQ-7 MQ7 CO Carbon Monoxide Gas Sensor Module For Arduino

Description

3Pcs MQ-7 MQ7 CO Carbon Monoxide Gas Sensor Module For Arduino Specification: Detection range: 10 to 1000ppmm Characteristic gas: 100ppmm CO Sensitive resistance: 2KO to 20KO in 100ppm CO Sensitivity: 3% Response time: 1s Recovery time: 30s Heating resistance: 31O 3O Heating current: 180mA Heating voltage: 5.0V0.2V / 1.50.1V Heating power: about 350mW Size: 3.5 x 2.2cm (1.4 x 0.9inch) Standard operating conditions: Ambient Temperature: -20C to +50C Humidity: 95%RH Oxygen Content: 21% Note: Mainly used for CO gas detection in family factory or underground operation. Package included: 3 x MQ-7 CO gas sensor module