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MQ-3 Alcohol Gas Sensor
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MQ-3 Alcohol Gas Sensor

175.00৳ 

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Schedule Pick up from store

Free

  • Inside Dhaka Metro

Inside Dhaka Metro city

24 Hours

60tk

  • Outside Dhaka metro

Outside Dhaka Metro

24 Hours

100tk

  • Outside Dhaka

All Bangladesh 

1-2 Days

130tk

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Description

MQ-3 Alcohol Ethanol Sensor Breath Gas Detector Ethanol Detection For Arduino

Feature:
2. It has DO switch signal(TTL) output and AO analog signal output.
3. TTL output signal for low level effectively. (when the low output electric signal lights at ordinary times, can directly connect single chip microcomputer or relay module)
4. Analog output voltage with concentration, the higher concentration, the higher voltage.
5. Has better sensitivity to the liquefied petroleum gas, natural gas, city gas, smoke.
6. Has long service life and reliable stability
7. Rapid response recovery features
Specification:
Input voltage: DC5V
Power consumption (current) : 150 mA
DO output: TTL digital 1 and 0 (0.1 and 5 V)
AO output: 0.1-0.3 V (pollution-free)
Highest concentration of voltage: Approx 4 V
Detection range of alcohol: detection range of 10 ~ 1000 PPM
Connection mode:
1. VCC: Positive (5 v)
2. GND: Connect power negative
3. DO: TTL switch signal output
4. AO: Analog signal output

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