HiH-4000 Humidity Sensor

Specifications of MQ-135 gas sensor

• Wide detecting scope
• Fast response and High sensitivity
• Stable and long life Simple drive circuit
• Used in air quality control equipment for buildings/offices, is suitable for detecting
  of NH3, NOx, alcohol, Benzene, smoke, CO2, etc.
• Size: 35mm x 22mm x 23mm (length x width x height)
• Working voltage: DC 5 V
• Signal output instruction.
• Dual signal output (analog output, and high/low digital output)
• 0 ~ 4.2V analog output voltage, the higher the concentration the higher the voltage.