Products
Combustible Gas Sensor
Detect the CH₄ and CH₃CH₂CH₃ gas sensor
Application:
For combustible gases such as methane and gas detection instruments and monitoring equipment for gas, biogas, liquefied gas, and urban gas are used for transmission sensing element.Product characteristics:
1. Stable performance1. Performance
MQ-D4 is a low-power semiconductor gas sensor used for detecting methane and propane gases
2. Appearance and dimension
3.Technical Specifications
| Product model | MQ-D4 | |
| Product type | Low power semiconductor gas sensor | |
| Standard packaging | Metal encapsulation | |
| Temperature range | Usage temperature: -10℃~+50℃ Storage temperature: -20~+60℃ | |
| Humidity range | ＜95%RH | |
| Detecting gas | Methane, propane | |
| Detect concentration | Gas concentration 100~10000ppm | |
| Standard circuit conditions | Heat voltage(DC) VH | 5V±0.1V |
| Circuit voltage(Dc) Vc | 5V±0.1V | |
| Load resistance RL | adjustable(1K-50K) | |
| Sensor characteristics under standard testing conditions | Heating wire Power PH | ≤450mV, (VH=5V) |
| response time Tx | ≤20S | |
| recovery time TH | ≤30S | |
| Standard testing conditions | Temperature/humidity | 20℃土2℃; 65%士5%RH |
| Standard Test Circuit | DC VH=VC=5V±0.1V; RL=10K±1% | |
| Warm-up time | 24 hours | |
| Life | 8 years | |
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