MQ-6

HANWEI SENSORS MQ-6 www.hwsensor.com TECHNICAL DATA MQ-6 GAS SENSOR www.DataSheet4U.com FEATURES * High sensitivity to LPG, iso-butane, propane * Small sensitivity to alcohol, smoke. * Fast response . * Stable and long life * Simple drive circuit APPLICATION They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of LPG, iso-butane, propane, LNG, avoid the noise of alcohol and cooking fumes and cigarette smoke. SPECIFICATIONS A. Standard work condition Symbol Vc VH PL RH PH Symbol Tao Tas RH O2 Parameter name Circuit voltage Heating voltage Load resistance Heater resistance Heating consumption Parameter name Using Tem Storage Tem Related humidity Oxygen concentration Technical condition 5V±0.1 5V±0.1 20KΩ 33Ω±5% less than 750mw Technical condition -10℃-50℃ -20℃-70℃ less than 95%Rh 21%(standard condition)Oxygen concentration can affect sensitivity Technical parameter 10KΩ- 60KΩ (1000ppm LPG ) ≤0.6 Vc:5V±0.1 Vh: 5V±0.1 Remarks AC OR DC ACOR DC Room Tem B. Environment condition Remarks minimum value is over 2% Remarks Detecting concentration scope： 200-10000ppm LPG , iso-butane, C. Sensitivity characteristic Symbol Rs Parameter name Sensing Resistance α (1000ppm/ 4000ppm LPG) Standard detecting condition Preheat time Concentration slope rate Temp: 20℃±2℃ Humidity: 65%±5% propane, LNG Over 24 hour D. Strucyure and configuration, basic measuring circuit 1 2 3 4 5 6 7 8 9 Parts Gas sensing layer Electrode Electrode line ...