MP-3 original manufacturer
Listed company in Shenzhen
Small size and competitive price
Better aseismatic than semiconductor
MP-3 Flat Surfaced GAS SENSOR
MP-3 model with advanced planar construction is comprised of heater and metal oxide semiconductor material of subminiature Al2O3 ceramic plate, fetch out electrode down-lead, encapsulation in metal base and cap. When the target gasAlcohol exist , The sensors conductivity is more higher along with the gas concentration rising. Please use simple electrocircuit, Convert change of conductivity to correspond output signal of gas concentration.
Features:
* Full solid state semiconductor alcohol sensor
* Small size
* Fast response and resume
* Highest sensitivity
* Excellent stability and long life
* Easy circuit and big signal output
* Excellent selectivity
Application
It is used for detecting whether the driver and other people who drink alcohol, or detecting whether ethanol steamy exist in other places.
SPECIFICATIONS
A. Standard work condition
Symbol | Parameter name | Technical condition | Remarks |
Vc | Circuit voltage | ≤24V | DC |
VH | Heating voltage | 2.5V±0.1V | AC or DC |
RL | Load resistance | adjustable |
|
RH | Heater resistance | 29Ω±3Ω | Room Tem. |
PH | Heating consumption | ≤250mW |
|
B.Environment condition
Symbol | Parameter name | Technical condition | Remark |
Tao | Using Temperature | -1050 |
|
Tas | Storage Temperature | -2070 | |
RH | Related humidity | less than 95%Rh | |
O2 | Oxygen concentration | 21%(standard condition)Oxygen concentration can affect sensitivity | minimum value >2% |
C.Sensitivity characteristic
Symbol | Parameter name | Technical parameter | Ramark |
Tres | Respond Time | ≤5S(70% Response) |
|
Trec | Resume Time | ≤30S(70% Response) |
|
Rs | Sensing Resistance | 5KΩ-50KΩ(0.4mg/LAlcohol ) | Detecting concentration scope 0.044mg/L Alcohol |
α(R300/R100ppmAlcohol) | Concentration slope rate | ≤0.6 | |
Standard working condition | Vc: 2.5V±0.1V VH: 2.5V±0.1V Temp 20±2 Humidity 65%±5% | ||
Preheat time | Over 48 hour |
| |
