Some basic common sense for the use of precision pressure gauges

1. Basic knowledge of precision pressure gauges A precision pressure gauge consists of a pressure measuring system, a transmission mechanism, an indicating device and a casing. The pressure measuring elastic element of the precision pressure gauge is processed by a special process, so that the performance of the precision pressure gauge is stable and reliable. Precision pressure gauges are mainly used to calibrate common industrial pressure gauges. Precision pressure gauges can also accurately measure the pressure of non-corrosive, non-crystalline and non-solidifying media such as copper alloy and alloy structural steel at the process site. 2. Precautions for the use of precision pressure gauges 1. The precision pressure gauge should be installed vertically, and strive to maintain the same horizontal position as the measuring point, otherwise the additional error caused by the liquid level difference will be included accordingly. 2. The precision pressure gauge is generally installed on the pressure calibrator, so the influence of vibration should be avoided near the pressure calibrator (the indication value should be taken as the principle that does not affect the accurate reading) 3. The use environment of the instrument is such as When it deviates from 20±2°C (0.25 grade) or 20±3°C (0.4 grade), additional temperature error should be considered. 4. The pressure often used by the instrument should be 2/3 of the upper limit of the division; when used as a standard instrument for calibrating the instrument, the pressure is allowed to be used up to the upper limit of the division. 5. The surrounding air of the storage and use environment of the instrument should not contain harmful impurities that can cause corrosion, and the relative humidity of the air should not be greater than 80%. 6. During the use of the instrument: if the accuracy is reduced, the indication value is unstable or the pointer is jumping, etc., the reason should be found out and re-calibrated as appropriate, and it can be used only after it is qualified. 7. After the instrument is used, it should be properly kept and avoid collision, so as not to affect the accuracy of the instrument. The precision pressure gauge is provided with a mirror ring (A type B type) under the scale line, and the reading is clearer and more accurate in use. Kaidi Instrument is a manufacturer of precision pressure gauges.

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