Winsen MP905 Air-Quality Gas Sensor


In stock

SKU: 1278810
  1. Product: Air-Quality Gas Sensor
  2. Model: MP905
  3. Loop voltage VC / VH:  5.0V±0.1V DC
  4. Load resistance RL: Adjustable
  5. Warm-up time: More than 48 hours


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Brand: Winsen
Category: Gas and Dust Sensor

MP905 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. search and produce air quality monitoring gas sensor for household and office harmful gas detection, automatic exhaust device, air cleaner.


It ( MP905 air quality gas sensor) is used in occasions such as household and office for harmful gas detection, automatic exhaust device, air cleaner & etc.


  1. High sensitivity to benzene, toluene, formaldehyde, alcohol, smoke, lighter gas,
  2. paints: quick response and resume
  3. low power consumption
  4. simple detection circuit
  5. good stability and long life

Package Includes:

1 x Winsen MP905 Air-Quality Gas Sensor

SKU: 1278810 Category:


Sensor Type

Semiconductor flat surfaced sensor

Standard Encapsulation

Metal Cap

Detection Gas

benzene, toluene, formaldehyde, alcohol, smoke, lighter gas, paints etc.

Detection range


Sensitivity S

Rs(in air)/Rs(in 10ppm alcohol)≥2

Temperature, humidity


Shipping Weight 0.01 kg
Shipping Dimensions 4 × 3 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China