MQ-2 smoke gas and liquefied gas and butane and hydrogen sensor unit

MQ-2 gas/smoke sensor unit for smoke gas and liquefied petroleum gas and butane and hydrogen can be used MQ-2 gas/smoke sensor to detect methane gases, alcohol, butane, propane, hydrogen, and smoke. Additional information specifications (MQ-2 gas/smoke sensor): heating voltage: 5 volts. detection accuracy of concentrations: 200 – 5000 ppm. ability to change sensor sensitivity. operating temperature: -10 to -50 degrees Celsius.