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Alcohol sensor mq3
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Alcohol Sensor MQ3

Original price was: ₹300.00.Current price is: ₹179.00.

  • Gas Detected: Ethanol (Câ‚‚Hâ‚…OH) vapor (also responds to Benzene, Methane, and other vapors)
  • Operating Voltage: 5V DC
  • Operating Current:
    • Heater: ~150mA
    • Sensor: ~2.5mA
  • Heater Resistance: 31Ω ±5%
  • Sensitivity Range: 0.04mg/L to 4mg/L of alcohol concentration in air
  • Output Signal:
    • Analog: Proportional to alcohol concentration
    • Digital: Triggered output (threshold set by onboard potentiometer)
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SKU: 0043 Category:
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Description

MQ-3 alcohol sensor is a versatile gas sensor that detects alcohol levels in the air with high sensitivity to ethanol. It is widely used in breathalyzers and embedded systems for monitoring alcohol presence, offering analog and digital outputs for easy integration.”

Additional information

Weight 100 g
Dimensions 5 × 4 cm

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