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MPn-4C adopts a multi-layer thick film manufacturing process, which integrates a heating electrode, a measuring electrode and a metal oxide semiconductor gas sensitive layer on an Al2O3 ceramic substrate, and encapsulates it in a metal housing. When the detected gas is present in the ambient air, the conductivity of the sensor will change, and the higher the concentration of the gas, the higher the conductivity of the sensor. This change in conductivity can be converted into an output signal corresponding to the gas concentration using a simple circuit. The product has good anti-interference ability to common gases such as alcohol and acetic acid in the use scene.
Application
It is widely used in combustible gas leak monitoring devices, fire/safety detection systems for home, factory and commercial use; Flammable gas leak alarm, gas leak detector, etc.
Features
- High sensitivity to CH4 gas
- Excellent anti-interference ability
- Excellent stability
Specifications
Model | MPn-4C | ||
Sensor Type | Flat surfaced | ||
Standard Encapsulation | Metal cap | ||
Target Gas | CH4, Nature gas,marsh gas | ||
Detection range | 300~10000ppm (methane, natural gas) | ||
Standard Circuit Conditions | Loop Voltage | Vc | ≤24V DC |
Heater Voltage | VH | 5V±0.1V AC or DC | |
Load Resistance | RL | Adjustable | |
Heater consumption | PH | ≤350mW | |
Sensitive resistance | RS | 1KΩ~20KΩ(in5000ppm CH4) | |
Sensitivity | S | Rs(in air)/Rs(5000ppm CH4)≥8 | |
Concentration Slope | α | ≤0.6(R5000ppm/R1000ppm CH4) | |
Standard test conditions | Temp. Humidity | 20℃±2℃;55%±5%RH | |
Standard test circuit | Vc:5V±0.1V; VH: 5V±0.1V | ||
Preheat time | Not less than 48 hours | ||
O2content | 21% (not less than 18%) O2 concentration effects initial value, sensitivity and repeatability. | ||
Lifespan | 10 years |
* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.
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2. SERVICE TRANSIT TIME is provided by the carrier.- Reference Delivery time (working days):
- DHL:3-7 days
- Fedex:3-7 days
- China Post e-Packet : 15-35 days
Transit times may vary, particularly during the holiday season.
We suggest you choose Expedited Shipping(DHL or FedEx) to ensure the products reach your home fast & safety.
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