Model: WPAS01
Detection principle: MEMS
Characteristics: Package:SOP8, Wide Pressure Range:-40°~125°
Pressure Range: 10kPa~100kPa
Working Temperature: -40~125℃

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WPAS01 is a plastic package pressure sensor packaged using high-precision MEMS pressure sensitive chips and mature production processes. The standard pin structure is convenient for customers to use, while providing low-cost plastic sealed pressure sensor solutions for OEM customers. The WPAS02 series plastic sealed pressure sensors are only suitable for dry and non corrosive gases. Different ranges and output methods can be customized according to customer requirements.


  • Process control system
  • Pressure calibration instrument
  • Medical instruments
  • Environment Monitoring
  • Consumer Product
  • Sport Product
  • Sphygmomanometer


  • Package:SOP8
  • Wide Pressure Range:-40°~125°
  • Suitable for module assembly
  • High Accuracy:±0.2%FS
  • Low Cost
  • High Reliability


Technical Datasheet                                                              
Detection range -100kPa~0~200kPa…1.7MPa  
Pressure Type Absolute Pressure  
Excitation 5V  
Impedance 4kΩ~6KΩ  
Electronic Connection PINS  
Working Temperature -40℃~125℃  
Storage Temperature -55℃~150℃  
Response Time ≤1ms Up to90%FS
Detection Medium Dry and non corrosive gas  
MechanicalVibration 20g(20~5000HZ)  
Impact 100g(10ms)  
Lifespan 10×10⁶(Pressure Cycle))  


Detection Range                                                             
Range Pressure Type Overload Pressure Burst Pressure
100k A 200%FS 400%FS
200 A 200%FS 400%FS
350k A 200%FS 400%FS
700k A 200%FS 400%FS
1M A 200%FS 400%FS
1.7M A 200%FS 400%FS


Item Condition Miniest Typical Max Unit Note
Non-linear   -0.45 -0.15 0.45 %FS Note(1)
Hysteresis   -0.05 ±0.03 0.05 %FS  
Repeatability   -0.08 ±0.03 0.08 %FS  
Zero Point Output   -40 - +40 mV  
Full-Range Output Coefficient 1MPa 80 120 180 mV   Note(2)
1.7MPa 100 150 200
Others 70 100 150
ZeroTemperature Coefficient   -7 - 7 %FS  
Full range temperatureCoefficient   -24 -19 -15.5 %FS  
Heat Hysteresis   -0.075 ±0.05 0.075 %FS Note(3)
Stability   -0.3 ±0.2 0.3 %FS/Year  


(1)Based on BFSL least square method.

(2)Full range output of products with customized detection range isnot include .

(3)After high and low temperature, return to the reference temperature.

* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.

Technical Support:

Customized technical design and function, LOGO and package are available without extra charge (including molding fee) for mass volume.

The sensors don't have sleeping mode. It can be set in program if needed.

All Winsen products go through strict inspections and tests to make sure they are 100% qualified before shipping out.

The sensor has been fully tested (not calibrated) before leaving the factory. However, after transportation and storage, the environment conditions change, and the surface of the sensor absorbs moisture, mixed gas, pollution matters, etc. It is recommended that customers perform aging and calibration after sensors become stable according to the program and use occasions of the whole device.

15﹪-90﹪RH without condensation,greater or less than this range or long-term high temperature and high humidity will affect the life of the sensor.

Our sensors are certified with CE, 3C, ROHS, anti-explosion, fire prevention, and coal mining safety according to different applications. And we provide assistance for new certification.

Many factors can cause the sensor to fail such as broken wires in transportation, poisoning, falling off of the sensitive material, damage to the heating wire (device), etc. Please find specific cause in each category with Winsen’s aftersales.

Winsen provides professional consultation and service before and after sales. We will recommend the best fitting sensor for your demand. If you have any problem, don’t hesitate to email us to

Due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. But we will reply to your inquiry in 24 business hours.