- High sensitivity to butane, propane, methane
- The reference concentration can be adjusted by the blue potentiometer, clockwise to reduce the reference concentration, counter-clockwise rotation, the reference concentration
- The Heating Voltage: 5 ? 0.2V (AC ? DC)
- The Working Current: 150ma
- The Loop Voltage: < DC15V (Maximum DC15V)
- The Load Resistance: 1K (Adjustable)
- The Detection Concentration Range: 100-20000ppm (Different Concentrations of Different Gas Ranges)
- Clean the Air Voltage: < 1.5V
- The Sensitivity: < 3%
- The Response Time: < 1S (Warm-Up 3-5 Minutes)
- Response Time: < 30S
- Component Power Consumption: < 0.9W
- The Working Temperature: -10 ~ 50 ? (Nominal Temperature 20 ?)
- The Working Humidity: 95% RH (Nominal Humidity 65% RH)
Pin Definition
- VCC: Connect 5V power supply positive pole
- DOUT: digital signal output, you can directly access the MCU IO port
- AOUT: analogue signal output, AD converter can be connected to the input port in order to calculate the specific concentration of gas value
- GND: 5V power supply negative
