Description

Model No.: MQ*2 Sensor Type: Semiconductor Standard Encapsulation: Bakelite (Black Bakelite) Detection Gas: Combustible gas Concentration: ********0ppm( Combustible gas) Circuit Loop Voltage: Vc ≤*4V DC Heater Voltage: VH 5.0V±0.2V ACorDC Load Resistance: RL Adjustable Character Heater Resistance: RH *1Ω±3Ω(Room Tem. ) Heater consumption: pH ≤**0mW Sensing Resistance: RS 2KΩ**0KΩ(in ***0ppm C3H8 ) Sensitivity: S RS(in air)/RS(***0ppm isobutane)≥5 Slope: α ≤0.6(R***0ppm/R***0ppm CH4) Conditio: n Tem. *0℃±2℃ Humidity *5%±5%RH Standard test circuit Vc: 5.0V±0.1V; VH: 5.0V±0.1V Preheat time: Over *8 hours Competitive Advantages Well and High Quality Control , Prompt Delivery , Competitive Prices , Small Order Acceptable