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MQ7 CO Carbon Monoxide Coal Gas Sensor Module For Arduino

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Rs.130.00 Rs.120.00

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Description

MQ7 CO Carbon Monoxide Coal Gas Sensor Module Arduino

Sensitive material of MQ-7 gas sensor is SnO2, which with lower conductivity in clean air. It make detection by method of cycle high and low temperature, and detect CO when low temperature (heated by 1.5V). The sensor’s conductivity is higher along with the gas concentration rising. When high temperature (heated by 5.0V), it cleans the other gases adsorbed under low temperature. Please use simple electro circuit, Convert change of conductivity to correspond output signal of gas concentration

  • Indication of the signal output
  • Dual signal output (analog output, and TTL level output)
  • TTL output signal is low
  • 0 ~ 5V analog output voltage, the higher the concentration, the higher the voltage
  • Mainly used for CO collection detection in family, factory, underground operation.
  • Has a long life and reliable stability
  • Fast response and recovery characteristics

Technical parameters:

  • Size: 32X22X27mm
  • Main Chip: LM393, ZYMQ-7 gas sensor
  • Operating Voltage: DC 5V
  • Input Voltage: DC5V
  • Power: 150mA
  • DO Output: 0.1V/5V
  • AO Output: 0.1-0.3A

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