Gas

Gas sensors for detecting different gases

Alcohol Gas Sensor - MQ-3

Code: SKU-000267

This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analogue resistive output based on alcohol concentration.

$8.95

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Backorders:
Ship 148 units in 7 days

Alcohol Gas Sensor MQ-3

Code: SKU-002705

This semiconductor petrol sensor detects the presence of alcohol petrol at concentrations from 0.04 mg/L to 4 mg/L, a range suitable for making a breathalyser. The sensor’s simple analogue voltage interface requires only one analogue input pin from your microcontroller.

$6.95

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Backorders:
Ship 192 units in 7 days

Carbon Monoxide & Flammable Gas Sensor MQ-9

Code: SKU-002625

This semiconductor petrol sensor detects the presence of Carbon Monoxide at concentrations from 10 to 1,000 ppm and combustible petrol from 100 to 10,000 ppm. The sensor’s simple analogue voltage interface requires only one analogue input pin from your microcontroller.

$9.95

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Backorders:
Ship 48 units in 7 days

Carbon Monoxide Gas Sensor MQ-7

Code: SKU-002624

This semiconductor petrol sensor detects the presence of Carbon Monoxide at concentrations from 10 to 10,000 ppm. The sensor’s simple analogue voltage interface requires only one analogue input pin from your microcontroller.

$9.95

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Backorders:
Ship 171 units in 7 days

Carbon Monoxide Sensor - MQ-7

Code: SKU-000407

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-petrol concentrations anywhere from 20 to 2000ppm. This sensor has a high sensitivity and fast response time. The sensor’s output is an analogue resistance.

$11.95

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Backorders:
Ship 112 units in 7 days

Flammable Gas & Smoke Sensor MQ-2

Code: SKU-002622

This semiconductor petrol sensor detects the presence of combustible petrol and smoke at concentrations from 300 to 10,000 ppm. The sensor’s simple analogue voltage interface requires only one analogue input pin from your microcontroller.

$5.95

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Backorders:
Ship 136 units in 7 days

Gas Sensor Breakout Board

Code: SKU-000272

Simple breakout board for the MQ - 3, MQ - 4 and MQ - 6 petrol sensors. All you need is VCC at 5V, GND, and a resistor to an ADC, that is it. Note: This is the PCB only. Sensors listed below. Dimensions: 16.8mm diameter Documents: Schematic Eagle Files Wiring Example

$1.15

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Backorders:
Ship 134 units in 7 days

Hydrogen Gas Sensor - MQ-8

Code: SKU-000826

This is a simple-to-use hydrogen petrol sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen petrol concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast response time. The sensor’s output is an analogue resistance.

$10.95

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Backorders:
Ship 34 units in 7 days

LPG / Isobutane / Propane Gas Sensor MQ-6

Code: SKU-002623

This semiconductor petrol sensor detects the presence of LPG, isobutane, and propane at concentrations from 300 to 10,000 ppm. The sensor’s simple analogue voltage interface requires only one analogue input pin from your microcontroller.

$7.95

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Backorders:
Ship 97 units in 7 days

LPG Gas Sensor - MQ-6

Code: SKU-000409

This is a simple-to-use liquefied petroleum petrol (LPG) sensor, suitable for sensing LPG (composed of mostly propane and butane) concentrations in the air. The MQ-6 can detect petrol concentrations anywhere from 200 to 10000ppm. This sensor has a high sensitivity and fast response time.

$8.95

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Backorders:
Ship 44 units in 7 days