F1031 Micro Flow Sensor

  • • Feature: Latest MEMS Sensor chip technology
  • • Detection: Micro gas flow sensor
  • • Application:Industrial process control, Air and environment protection

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  • Principle Introduction
Principle Introduction:
Winsen Electronics produces F1031 micro flow sensor, adopting thermodynamic principle to detect the gas flow.
F1031 micro flow sensor adopts thermodynamic principle to detect the gas flow, and it has high accuracy and good repeatability. The built-in temperature sensor makes the product has the function of professional temperature compensation calibration. At the same time, the output is linear analog voltage which is convenient to use.
Applications :
Industrial process control
Air and environment protection
Technical parameters :
Model F1031
Measuring Range① 20、35、50、100、150、 200 SLM②
  Min Typical Max Unit
Full Scale Output 4.90 5.00 5.10 V
Zero Output 0.96 1.00 1.04 V
Output Impedance - 200 - Ω
Working Voltage 7.0 10.0 14.0 V
Working Current 15 25 30 mA
Accuracy - ±1.5 ±2.5 %F.S
Repeatability - ±0.3 ±0.5 %F.S
Annual Drift③ - ±0.1 ±0.5 %F.S
Pressure range④ - - 100 kPa
Response Time 5 10 15 ms
Working Temp.⑤ -25   65
Storage Temp. -40   90


①The measuring range within 20-200SLM is available and regular measuring ranges such as 20、35、50、100、150、200SLM.Customized fee will be charged for other ranges.
②SLM means standard liter per minute. Standard-state: gas temperature is 0℃ and pressure is 101.325 kPa.
③The testing environment is room temperature and clear air.
④If higher pressure range is needed, please fix the four screw holes on the back of the sensor. 
⑤The temperature compensation is for the tem. range of 0-50℃ and the compensation performance can’t be ensured beyond the temperature range.
Reference Circuit :

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