| Model | MQ136 | ||
| Sensor Type | Semiconductor | ||
| Standard Encapsulation | Bakelite, Metal cap | ||
| Target Gas | Hydrogen Sulfide(H2S gas) | ||
| Detection range | 1～200ppm | ||
| Standard Circuit Conditions | Loop Voltage | Vc | 5.0V±0.1V DC |
| Heater Voltage | VH | 5.0V±0.1V AC or DC | |
| Load resistance | RL | Adjustable | |
| Sensor character under standard test conditions | Heater Resistance | RH | 30Ω±3Ω（room temp.） |
| Heater consumption | PH | ≤950mW | |
| Sensitivity | S | Rs(in air)/Rs(50ppmH2S )≥3 | |
| Output Voltage | △Vs | ≥0.5V(in 50ppm H2S) | |
| Concentration Slope | α | ≤0.6(R200ppm/R50ppmH2S ) | |
| Standard test conditions | Tem. Humidity | 20℃±2℃；55%±5%RH | |
| Standard test circuit | Vc:5.0V±0.1V； VH: 5.0V±0.1V | ||
| Preheat time | Over 48 hours | ||
H2S Hydrogen Sulfide
MQ136 Hydrogen Sulfide (H₂S) Gas Sensor
₹1,416.00 Price With Tax
Buy MQ136 H2S gas sensor for hydrogen sulfide detection. Semiconductor gas sensor ideal for air quality monitoring, industrial safety, and gas leakage detection.
15 Days Warranty
This product comes with a 15-day warranty starting from the date of delivery. The warranty covers manufacturing defects only. If a defect is confirmed, the item will be replaced.
Warranty will not apply if:
- The product has been misused, dropped, or damaged.
- It has been exposed to water, fire, chemicals, or static discharge.
- It has been tampered with, soldered, or altered in any way.
The MQ136 Gas Sensor is a semiconductor-based sensor designed for detecting hydrogen sulfide (H₂S) gas in air. It offers a cost-effective solution for gas detection applications, making it ideal for air quality monitoring, industrial safety systems, and gas leakage detection.
Using a tin dioxide (SnO₂) sensing material, the MQ136 sensor exhibits high sensitivity to hydrogen sulfide gas while maintaining stable performance across a wide range of environmental conditions. It is commonly used in embedded systems, Arduino projects, and low-cost gas detection devices.
Key Features
- Sensitive to Hydrogen Sulfide (H₂S) gas
- Semiconductor (SnO₂) sensing technology
- Wide detection range (ppm level detection)
- Analog output signal
- Fast response and recovery time
- Long life and low cost
- Suitable for DIY and industrial applications
Applications
- Air quality monitoring systems
- Gas leakage detection systems
- Industrial safety equipment
- Smart home gas alarms
- Arduino and IoT projects
- Educational and research applications
Benefits
-
- Low-cost alternative to electrochemical sensors
- Easy to use with microcontrollers (Arduino, Raspberry Pi)
- Widely available and popular for prototyping
- Suitable for general-purpose gas detection
- Durable and long operational life
Q1: What gas does MQ136 detect?
It is primarily used for detecting Hydrogen Sulfide (H₂S) gas.
Q2: Is MQ136 suitable for industrial safety?
It can be used for basic detection, but for high-accuracy industrial use, electrochemical sensors are recommended.
Q3: Does MQ136 require calibration?
Yes, it requires proper calibration and preheating for accurate readings.
| Weight | 0.150 kg |
|---|---|
| Dimensions | 12 × 6 × 6 cm |
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