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MP135 gas sensor is for air quality. It adopts multilayer thick film manufacturing technology. The heater and metal oxide semiconductor material on the ceramic substrate of subminiature Al2O3 are fetched out by electrode down-lead, encapsulated in metal socket and cap. Conductivity of the sensor is affected by the concentration of target gas. The higher the concentration is, the higher conductivity of sensor gets. Users can adopt simple circuit to convert variation of conductivity into output signal corresponding to gas concentration.
Application
It is used in occasions such as household and office for harmful gas detection, automatic exhaust device, air cleaner…etc.
Features
- High sensitivity;
- Quick response and resume;
- Low power consumption;
- Simple detection circuit;
- Good stability;
- Long life.
Specifications
Model | MP135 | ||
Sensor Type | Semiconductor flat surfaced sensor | ||
Standard Encapsulation | Metal Cap | ||
Detection Gas | H2,Alcohol,CO | ||
Detection range | 10~500ppmH2 5~500ppm Alcohol 10~500ppm CO | ||
Standard circuit | Loop voltage | VC | ≤24V DC |
Heating voltage | VH | 5.0V±0.1V AC or DC | |
Load resistance | RL | Adjustable | |
sensor features in standard test condition | Heating resistance | RH | 95Ω±10Ω(Room Tem.) |
Heating consumption | PH | ≤300mW | |
Surface resistance | RS | 10KΩ~100KΩ(in 50ppm H2 ) | |
Sensitivity | S | Rs(in air)/Rs(in 50ppmH2)≥3 | |
Concentration slope | α | ≤0.6(R100ppm/R30ppm H2) | |
Standard condition of test | Temperature, humidity | 20℃±2℃;65%±5%RH | |
Standard test circuit | VC:5.0V±0.1V; VH :5.0V±0.1V | ||
Warm-up time | More than 48 hours |
* 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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