F1031V WINSEN | Alldatasheet
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Technical content
（Model：F1031V） Manual Version：1.2 Issue Date: 2020.04.02 Zhengzhou Winsen Electronics Technology Co., Ltd
This manual copyright belongs to Zhengzhou Winsen Electronics Technology Co., LTD. Without the written permission, any part of this manual shall not be copied, translated, stored in database or retrieval system, also can’t spread through electronic, copying, record ways. Thanks for purchasing our product. In order to let customers use it better and reduce the faults caused by misuse, please read the manual carefully and operate it correctly in accordance with the instructions. If users disobey the terms or remove, disassemble, change the components inside of the sensor, we shall not be responsible for the loss. The specific such as color, appearance, sizes &etc, please in kind prevail. We are devoting ourselves to products development and technical innovation, so we reserve the right to improve the products without notice. Please confirm it is the valid version before using this manual. At the same time, users’ comments on optimized using way are welcome. Please keep the manual properly, in order to get help if you have questions during the usage in the future. Zhengzhou Winsen Electronics Technology CO., LTD
Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor .com Tel: 86-371-67169097/67169670 Fax: 86 -371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China! F1031V Micro Flow Sensor Profile The F1031V flow sensor uses the therm odynamic principle to detect flow rate of the gas medium in the flow channel, with good precision and repeatability. Temperature sensors are b uilt-in and every one product is calibrated for temperature compensation. At the same time, it has linear analog voltage output, convenient to use.
Features
Latest MEMS Sensor chip technology High accuracy, quick response, good repeatability Detection micro flow accurately It is calibrated completely and temperature compensated Main Applications Intensive care ventilator Portable ventilator Technical Parameters Stable1.Technical Parameters Model F1031V Measuring Range① 100, 150, 200, 300SLM② Min Typical Max Unit Full Scale Output 4.34 4.50 4.66 V Zero Output 0.45 0.5 0.55 V Output Impedance - 1000 - Ω Working Voltage 4.95 5.0 14.0 V Working Current - 25 - mA Accuracy - ±2.5 ±4 %F.S Repeatability - ±0.5 ±1 %F.S Output Drift 0.12 %/℃ Signal noise - 10 - mV(Vrms) Resistance - 120 - Pa/60SLM Power consumption - 125 - mW/5V Working pressure - - 100 kPa Response Time③ - 10 - ms Working Temp.④ -25 65 ℃ Storage Temp. -40 90 ℃ Fig1.Sensor Structure
Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor .com Tel: 86-371-67169097/67169670 Fax: 86 -371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China! Note: ①The measuring range within 20-300SLM. ②SLM means standard liter per minute. S tandard-state: gas temperature is 20℃ and pressure is 101.325 kPa. The testing environment is room temperature and clear air. ③The response time could be customized for 15-1000ms. ④The temperature compensation is for the tem. range of 0 -50℃ and the compen sation performance can’t be ensured beyond the temperature range. Pins Definition Calculation for Airflow Actual flow=full scale * (sensor actual output voltage -zero output voltage) / (full scale output voltage-zero output voltage) For example: the sensor full scale is 200 SLM, the sensor zero output voltage is 0.5 V and full scale output voltage is 4.5V, and the actual output is 3.5V. Then the actual flow=200 SLM * (3.5V – 0.5V)/(4.5V- 0.5V) = 150SLM Cautions 1.The air inlet and air outlet of the sensor need to be equipped with long straight pipe to ensure the product’s performance. It is recommended to leave a straight pipe for the inlet with 10 times longer than the pipe diameter while the outlet will be 5 times longer. 2. If measured gas medium contains dirt, the sensor’s lifespan will be shortened. We suggest users equip the sensor flow inlet with 5 micrometer precise filter. 3. The sensitivity of the product will reduce or be damaged if it contacts to water. 4. The wrong connecting of power supply will damage the internal circuit. Pin Function 1(black or gray) GND 2(red) VCC 3(yellow) OUT Stable 2. Pins definition