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Gas Sensors
MG-811 Carbon Dioxide Sensor Module
Mq3 Alcohol Gas Sensor Module
Product Price: Rs 90 / PieceGet Best Price
Product Details:
| Model / Part Number | MQ-3 |
| Product Color | Orange |
| Operating Voltage | 5V |
| Product Type | Gas Sensor |
| Senstivity | 3% |
| Size | 35mm x 22mm x 18mm |
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Mq5 Gas Sensor Module
Product Price: Rs 85 / PieceGet Best Price
Product Details:
| Operating Humidity | 95% RH |
| Operating Voltage | 5V |
| Usage/ Application | Detecting gas leackage |
| Model Number | MQ - 5 |
| Used In | Home and Industries |
| Output Sensor | Analog |
| Product Type | Gas Sensor |
MQ5 gas sensor module is used in gas leakage detection, and suitable for home and industrial equipment for LPG, natural gas, coal gas detection and monitoring. The sensitive material used in the MQ5 gas sensor is SnO2, which has lower conductivity in clean air. When the target combustible gases exist in the atmosphere, sensor’s conductivity increases with the gas concentration.
It provides an analog output corresponding to the concentration of the gases in the air and an easy-to-use digital output. The onboard potentiometer can be used to set the maximum gas concentration beyond which the digital output gets triggered.
Just power the module with 5V set the threshold and you can start getting the gas concentration of the air around the sensor! An onboard LED signals the presence of any gas.
The digital output can be easily interfaced to microcontrollers and other circuits. The analog output can be hooked up to an ADC of a microcontroller to get a wide range of sensor reading.
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Mq6 Gas Sensor Module
Product Price: Rs 95 / PieceGet Best Price
Product Details:
| Operating Voltage | 5V |
| Model / Part Number | MQ-6 |
| Output Current ( in mA) | 5A |
| Weight | 40gm |
| Operating Frequency | 50Hz |
| HART Protocol | Yes |
Suitable for home or industrial LPG ( liquefied petroleum gas ) , butane , propane , LNG ( liquefied natural gas ) detection devices. Excellent resistance to ethanol vapor , smoke interference Module
Features :
- 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 ;
- TTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
- 0 ~ 5V analog output voltage , the higher the concentration the higher the voltage.
- Propane , butane , LPG, LNG has a good detection sensitivity.
- There are four screw holes for easy positioning ;
- Product dimensions : 32 (L) * 20 (W) * 22 (H)
- Has a long life and reliable stability
- Rapid response and recovery characteristics
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Mq4 Gas Sensor Module
Product Price: Rs 95 / PieceGet Best Price
Product Details:
| Operating Humidity | 90% RH |
| Model / Part Number | MQ-4 |
| Operating Voltage | 5V |
| Usage/ Application | Detecting gas leakage |
| Output Sensor | Analog |
| Product Type | Sensor |
The MQ4 methane gas sensor is extremely used for detecting gas leakage at home or in industries like Methane (CH4) & CNG Gas. This gas sensor is highly responsive in very little time, so based on the sensitivity requirements; it can be adjusted through a potentiometer. This is an analog output sensor, used like a CNG (compressed natural gas) sensor within the series of MQ sensors. So, this sensor is suitable for detecting the concentration of natural gas like methane within the air. For this sensor, if the gas concentration increases then the output voltage will be increased. This sensor works with 5V DC and draws 750 mW around. This article discusses an overview of the MQ4 methane gas sensor and its working with applications. MQ4 methane gas sensor is a MOS (metal oxide semiconductor) type sensor, used to detect the methane gas concentration within the air at either home or industries & generates output like analog voltage by reading it. Here, the range of concentration for sensing ranges from 300 pm – 10,000 ppm which is appropriate for the detection of a leak.
Features:
· Sensitivity is good for combustible gas in an extensive range.
· Sigh sensitivity for natural gas, methane gas.
· Small sensitivity for smoke and alcohol.
· Quick responsive, long life and stable.
· The drive circuit is simple.
· Detection gas is methane or natural.
Specifications:
· Load resistance: 20KΩ
· Detecting resistance: 10KΩ to 60KΩ
· Preheat time: above 24Hrs
· Required voltage: 5V
· DO output: 0.1 to 5V
· AO output: 0.1 to 0.3V
· Operating temperature: 14 °C to 122 °C
VCC Pin: This pin provides voltage to the module and the typical operating voltage is +5V.
GND Pin: This pin is used to connect the sensor module to the GND terminal of the system.
How to work:
MQ4 gas sensor is simply used to detect the gas by using an analog pin or digital pin. Once the sensor module is powered with 5Volts then it starts detecting the methane gas. Once it is detected then the LED will start glowing otherwise the LED will be OFF.
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Mq 8 Hydrogen Gas Sensor Module
Product Price: Rs 85 / PieceGet Best Price
Product Details:
| Gas Detection Range | 0-1000 ppm |
| Operating Voltage | 5V |
| Usage/ Application | Hydrogen Gas Sensor |
| Signal output | Dual |
| Resistent To | Ethanol steam, LPG (petroleum), Smoke Interference |
| Model | MQ8 |
- With a signal output instructions.
- Dual signal output (TTL level output and analog output)
- TTL output valid signal for low level. (when the low output electric signal lights at 4. ordinary times, can be directly pick up SCM)
- Analog 0 ~ 5 v voltage, the higher the concentration, the higher the voltage.
- High sensitivity to hydrogen
- Can be resistant to ethanol steam, LPG (petroleum), smoke interference
- Has a long service life and reliable stability
- Quick response recovery features
Package included:
- 1 x MQ-8 Hydrogen Gas Sensor Module
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Mq 2 Smoke Gas Sensor Module
Product Price: Rs 85 / PieceGet Best Price
Product Details:
| Operating Voltage | 12V |
| Model / Part Number | MQ-2 |
| Output Current ( in mA) | 5A |
| Warranty | testing warranty |
| Weight | 10gm |
| Material | Metal Monooxide |
| HART Protocol | Yes |
MQ2 is one of the commonly used gas sensors in MQ sensor series. It is a Metal Oxide Semiconductor (MOS) type Gas Sensor also known as Chemiresistors as the detection is based upon change of resistance of the sensing material when the Gas comes in contact with the material. Using a simple voltage divider network, concentrations of gas can be detected.
MQ2 Gas sensor works on 5V DC and draws around 800mW. It can detect LPG, Smoke, Alcohol, Propane, Hydrogen, Methane and Carbon Monoxide concentration anywhere from 200 to 10000ppm.
These sensors are made up of electrode which is coated with a sensing material, and it is heated to make it more reactive and sensitive.
Features :-
- Wide detecting scope
- Stable and long lifetime
- Fast response and High sensitivity
Specifications :-
· Operating Voltage :- 5V
· Load Resistance :- 20K Ω
· Heater Resistance :- 33 Ω ±5%
· Heating consumption :- <800mw
· Sensing Resistance :- 10 KΩ - 60 KΩ
· Concentration Scope :- 200 – 10000 ppm
· Preheat Time :- Over 24 Hour
|
Application :-
· Gas leakage detection
|
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Mq 7 Gas Sensor Module
Product Price: Rs 90 / PieceGet Best Price
Product Details:
| Model / Part Number | MQ-7 |
| Operating Voltage | 5V |
| Material | Module |
| Size | 35mm x 22mm x 18mm |
| Senstivity | >3% or = 3% |
| Product Model | MQ7 |
Specification:
- MQ7 CO gas sensor
- Material: Module
- Size: 35mm × 22mm × 18mm
- The heating voltage: 5 ± 0.2V (AC · DC)
- Clean air voltage: ≤1.5V
- Sensitivity: ≥3%
- Response time: ≤1S (preheat 3-5 minutes)
- Response time: ≤30S
- The element power: ≤0.7W
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