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MQ4 Module

225.00 inc. GST
  • Interface Type: Analog & Digital
  • Working voltage: DC 5V
  • DOUT: TTL output
  • AOUT: Analog output
  • Detection Gas: Natural gas/Methane
  • Detection range: 300 to 10000ppm
  • Digital Out is High or Low based on an adjustable preset threshold,
  • Stable & Long Life.
  • Onboard Power indication
  • Standard Encapsulation Bakelite, Metal cap
  • Good sensitivity to Combustible gas in a wide range
  • High sensitivity to CH4, Natural gas.
  • Small sensitivity to alcohol, smoke.
  • Fast response and recovery
  • Adjustable sensitivity
  • Dimension: 32mm x 22m x 27mm

MQ4 Sensor

165.00 inc. GST
  • Power requirements: VCC - 5V±0.1
  • DO output: TTL digital 0 and 1 (0.1 and 5V)
  • AO output: 0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
  • Detection Gas: Natural gas/Methane
  • Detection Concentration: 200-10000ppm (Natural gas / Methane)
  • Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR)
  • Heater consumption: less than 750mw
  • Operating temperature: 14 to 122 °F (-10 to 50°C)
  •  Related humidity less than 95%Rh
  • Load resistance: 20KΩ
  • Sensing Resistance: 10KΩ- 60KΩ (1000ppm CH4)
  • Preheat time: Over 24 hour
  • Standard Encapsulation Bakelite, Metal cap