SainSmart TGS2611 Air Contaminants Gas Sensor Module for Arduino

Features:

* Low power consumption
* High sensitivity to methane
* Long life and low cost
* Use simple electrical circuit

Application examples:

* Domestic gas alarms
* Portable gas detectors
* Gas leak detector for gas appliances

Specifications:

* Target gases: Methane
* Typical detection range: 500 - 10,000ppm
* Sensing principle: MOS type 
* Driving voltages: Heater Voltageïš5.0V; Circuit Voltageïš5.0V
* Power consumption: 280mW
* Dimensions: φ9.2-12.4mm
* Weight: Approx. 1.4g