Service Support
FAQ
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Pressure transmitter installation issues?
It is best not to install the pressure transmitter at the bend; the pressure transmitter should preferably be installed vertically, as most manufacturers calibrate it vertically.
How is the pressure accuracy grade defined?
Every type of electronic measuring instrument has accuracy errors, but the accuracy levels marked by different countries vary. For example, countries like China and the United States mark accuracy based on the best linearity part of the sensor, which is usually between 10% and 90% of the measurement range; whereas Europe marks accuracy based on the worst linearity part, which is usually between 0% to 10% and 90% to 100% of the measurement range. For instance, if Europe's marked accuracy is 1%, then China's marked accuracy would be 0.5%.
What are the types of pressure output signals?
The signal outputs mainly include 4~20mA, 0~20mA, 0~10V, 0~5V, etc., but the more commonly used ones are 4~20mA and 0~10V. Among these output signals, only the 4~20mA is two-wire (the commonly referred number of wires for output does not include ground or shield wires), while the others are all three-wire.
What are the main types of threads for pressure transmitters?
Pressure threads include British Standard Pipe threads (G1/2, G1/4, etc.), metric threads (M20*1.5, M14*1.5), and American National Tapered Pipe threads (NPT threads).
Huaibei Huadian Automation Technology Co., Ltd.
Email:8001@huadianauto.com
Address: University Science Park, Economic Development Zone, Xiangshan District, Huaibei City, Anhui Province
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