MQ-4 Gas Sensor with stock

Description

Model No.: MQ*4 Sensor Type: Semiconductor Standard Encapsulation: Bakelite (Black Bakelite) Detection Gas: Natural gas/ Methane Concentration: ********0ppm(Natural gas / Methane) Circuit Loop Voltage: Vc ≤*4V DC Heater Voltage: VH 5.0V±0.2V ACorDC Load Resistance: RL Adjustable Character Heater Resistance: RH *8.5Ω±3Ω(Room Tem. ) Heater consumption: PH ≤**0mW Sensing Resistance: Rs 2KΩ**0KΩ(in ***0ppm CH4 ) Sensitivity S: Rs(in air)/Rs(***0ppm CH4)≥5 Slope: α ≤0.6(R***0ppm/R***0ppm CH4) Condition 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