Resistive Metal MQ-2 3 4 5 6 7 8 9 135 Smoke Alcohol CO H2 Gas Sensor Detector|10Pcs
$23.19
$29.45
Description Resistive Metal MQ-2 3 4 5 6 7 8 9 135 Smoke Alcohol CO H2 Gas Sensor Detector Feature 1.Options: MQ-2(Smoke), MQ-3(Alcohol), MQ-4(Methane), MQ-5(Natural Gas), MQ-6(Isobutane,Propane), MQ-7(CO), MQ-8(H2), MQ-9(CO,Combustible Gas), MQ-135(Air Quality Detector); 2.Principle: The detected gas concentration higher, The resistance is lower; 3.Diameter: Φ19mm(MQ-2,3,5,6,8,9,135), Φ16.8mm(MQ-3,7); Mechanical 1.Sensitive Material: SnO2; 2.Electrode: Au; 3.Electrode Line: Pt; 4.Heater Coil: Ni-Cr Alloy; Related
Gas|Pressure