Shenzhen Safeeling Science & Technology Co., Ltd

shenzhen, China

We offer Sell Gas Transducer. 1-, Very sensitive especially in low and middle concentration of flammable gases. 2-, Very short respond time and recovery time. 3-, Long life, high stability. 4-, Simple application circuit, low cost. 5-, Widely used in domestic gas leakage alarm, industrial flammable gas alarm and portable gas detector alarm. Model 5A-MQ5Sensor Type Semiconductor gas sensorStandard Encapsulation Bakelite, Metal CapTarget Gas CH4, LPG and flammable gases. Temperature range Usage:1055Storage:2060Humidity range 95RHDetection range 50010000ppmStandard Circuit Conditions Loop Voltage Vc 5V24VDCHeater Voltage VH 5V0.2VDCACLoad Resistance RL Adjustable (1K-30K)Heater consumption PH 900Mw(VH=5V)Sensitivity LS(Rs) 0.6 RS3000ppmRSairSensitive resistance RS RS=VCVRL1*RLRespond time Tx 30SRevovery time Th 60SStandard test conditions Temp. Humidity 202655%RHStandard test circuit VH= VC=5V0.05VDC; RL=4.7K1%Preheat time 24 hours Calculation method of the sensor powerPs= VC* VC* RS(RS+ RL)* (RS+ RL)