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MQ-5 Liquefied Gas & Coal Gas Sensor Module

(0 Reviews)
In stock

Category: Others Sensors

SKU: 2026


MRP Price:
₹199 /pc 47% OFF
Discounted Price:
₹105 /pc

Quantity:
(18 available)

Weight:
40g

Total Price:
Bulk Order
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1) 5V DC or AC circuit.
2) Requires heater voltage.
3) Operation Temperature: -10 to 70 degrees C.
4) Heater consumption: less than 750mW* 16.8mm diameter.
5) 9.3 mm height without the pins.
Description:
MQ3 Alcohol Gas Sensor detects the concentrations of alcohol gas in the air and ouputs its reading as an analog voltage. The sensor can measure concentrations of 0.04mg/L to 4mg/L. The concentration sensing range is suitable for breathalyzers. The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5 V.
Connecting five volts across the heating (H) pins keeps the sensor hot enough to function correctly. Connecting five volts at either the A or B pins causes the sensor to emit an analog voltage on the other pins. A resistive load between the output pins and ground sets the sensitivity of the detector. The resistive load should be calibrated for your particular application using the equations in the datasheet, but a good starting value for the resistor is 200 kΩ.
Features:
High sensitivity to Alcohol Gas
Long life and low cost
Simple drive circuit
Specifications:
Detection Gas: Alcohol Gas
Concentration: 0.4mg/L – 4mg/L
Supply Voltage: <24V
Heater Voltage: 5.0V ± 0.2V (High), 1.5V ± 0.1V (Low)
Load Resistance: Adjustable
Heater Resistance: 31Ω ± 3Ω
Heater Consumption: <900mW
Package Include:
1 X  MQ3 Alcohol Sensor.

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