MQ-4 Methane Gas Sensor

RWF 7,500.00

MQ-4 gas sensor is used to clean the air in the lower conductivity of tin dioxide (SnO2).This sensor can detect a variety of combustible gases, especially natural gas , is a low-cost sensor for a variety of applications .

Description

Features

  • Good sensitivity to Combustible gas in wide range
  • High sensitivity to CH4, Natural gas.
  • Small sensitivity to alcohol, smoke.
  • Fast response Stable and long life
  • Simple drive circuit

 Specifications

  • Sensor Type Semiconductor
  • 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)
  • RH Related humidity less than 95%Rh
  • O2 Oxygen concentration is 21% (standard condition) – Oxygen concentration can affect sensitivity
  • Load resistance: 20KΩ
  • Sensing Resistance Rs: 10KΩ- 60KΩ (1000ppm CH4)
  • Preheat time:Over 24 hour
  • Standard Encapsulation Bakelite, Metal cap

MQ-4 Equivalent Sensors

MQ-214 (Methane, Natural Gas Detection), MQ306A (LPG Detection), MQ-5 (Natural gas, LPG), MQ306A (LPG detection), MQ-2

Applications

  • Used in gas leakage detecting equipment for homes and industry. They are suitable for detecting of CH4 and CNG.
  • Industrial Combustible gas detector
  • Portable gas detectors

 

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