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| Adjustment methods for PTB330/220 series pressure sensor |
| Liu Hongtao1, Yu Fan2, Wang Yandong1 |
1. Hubei Meteorological Information and Technology Support Center,Wuhan 430074;
2. Shennongjia Airport Co.,Ltd,Shennongjia 442416 |
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Abstract Since automatic weather stations have been in operation for a long time,the phenomenon of sensor out of tolerance is gradually increasing.Through the research of PTB330 and PTB220 pressure sensors,the adjustment of indication error is realized by using serial port debugging technology.And the adjustment methods are described by specific examples in detail.The experiment shows that this method can adjust the indication error of the pressure sensor within the allowable range,which can effectively ensure the accuracy and reliability of the measured value of the pressure sensor.
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Received: 29 January 2021
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2021, Vol. 38 
