MQ-8 H2 Gas Sensor – MQ-8 hydrogen gas sensor for industrial safety. -Gas Sensor -Robocraze

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MQ-8 Gas Sensor Module For Hydrogen Gas Detector Module

Rs. 94; ~~Rs. 140~~; Rs. 94
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SKU: TIFSS0135

Using high-quality dual-panel design, with power indicator and TTL signal output instructions;
The switching signal having a DO (TTL) output and analog output AO;
A TTL output valid signal is low . ( Low-level signal when the output light can directly connect to the microcontroller or relay module )
The higher the voltage, the concentration of the analog output voltage is higher.
A hydrogen gas detection with good sensitivity.
There are four screw holes for easy positioning ;

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MQ-8 Gas Sensor Module For Hydrogen Gas Detector Module

~~Rs. 140~~ Rs. 94

Quantity:

MQ-8 Gas Sensor Module For Hydrogen Gas Detector Module

~~Rs. 140~~ Rs. 94

Description
Specifications
Additional Resources
FAQ
Shipping & Return

Description

MQ-8 Gas Sensor Module

The MQ-8 gas sensor module is a device that can detect the presence of hydrogen gas in the air. It is commonly used in applications such as gas leak detectors, safety devices, and industrial control systems. The MQ-8 sensor operates by using a chemical reaction between the hydrogen gas and a conductive metal oxide to produce a current. The magnitude of the current is proportional to the concentration of hydrogen gas in the air. The sensor can be used to detect hydrogen gas concentrations in the range of 100-10000 ppm.

Using a simple circuit to convert the change in conductivity of the gas concentration corresponding to the output signal. MQ-8 hydrogen gas sensor of high sensitivity, the monitoring of the other hydrogen-containing gas is also very satisfactory.
This sensor can detect a wide range of hydrogen gas, city gas, in particular, is a low-cost sensor for a variety of applications. Suitable for home or industrial hydrogen leakage monitoring devices. Can not interfere with ethanol vapor, soot, carbon monoxide, and other gases.

Applications:

Detect leakages in the industry
Used in mines
Can be used in refrigerators and AC

Specifications

Package Includes:

1 x MQ8 Gas Sensor Module

Gas Sensor Specifications

Model	MQ8 Gas Sensor
Operating Voltage	5V (DC)
Current Consumption	150 mA
Do output	TTL digital 0 and 1 ( 0.1 and 5V)
Ao output	0.1-0 .3 V (Relative to Pollution )
Dimensions	3.2 x 2.1 x 2.1cms
Weight	5 grams

Additional Resources

Datasheet

FAQ

1. What are gas sensors? How do they work?

Gas sensors (also known as gas detectors) are electronic devices that detect and identify different types of gasses. They are commonly used to detect toxic or explosive gasses and measure gas concentration.
Gas sensor detects the presence or concentration of gases in the atmosphere. Based on the concentration of the gas the sensor produces a corresponding potential difference by changing the resistance of the material inside the sensor, which can be measured as output voltage. Based on this voltage value the type and concentration of the gas can be estimated.

2. How to use MQ-8 Gas Sensor?

Power the module with 5V and you should notice the power LED on the module to glow and when no gas it detected the output LED will remain turned off meaning the digital output pin will be 0V. Remember that these sensors have to be kept on for pre-heating time before you can actually work with it. Now, introduce the sensor to the gas you want to detect and you should see the output LED to go high along with the digital pin, if not use the potentiometer until the output gets high. Now every time your sensor gets introduced to this gas at this particular concentration the digital pin will go high (5V) else will remain low (0V).

Shipping & Return

Shipping Policy

All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.

Return & Refund Policy

Return window: 7 days from receipt unless stated otherwise.
No refunds or replacements after the return window.
Returns are accepted only for non-working or damaged products.
Initiate return requests via a Support ticket or contact us at +91-8123057137.
Refunds are processed within 3–4 working days after inspection and approval.

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