රු330.00

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Description

  • Main chip : MQ-4 gas sensing probe
  • Operating voltage : DC 5V
  • Power (current) : 150mA
  • DO output : 0.1V/5V
  • AO output : 0.1-0.3V
  • Indication of the signal output
  • Dual signal output (analog output, and TTL level output)
  • 0~5V analog output voltage, the higher the concentration, the higher the voltage