Publish Time: 2024-08-16 Origin: Site
1.Measuring range: The measuring range of the selected digital dc volt amp meter should match the actual range of the measured object. too large or too small measuring range will reduce the measurement accuracy.
2.Display meter accuracy level: The higher the accuracy level of the meter, the more accurate the measurement results. Therefore, the highest possible accuracy level should be selected when selecting meter.
3.Anti-interference : Electromagnetic wave is one of the common interference sources of meter. Taking effective interference measures can ensure that meter can work in the complicated working environment thus improve the reliability and accuracy of the meter. The anti-interference of the meter can make the external circuit unreasonable.
4.calibration：Meter apparatus calibration can reduce errors and ensure measurement accuracy. Calibration should be carried out according to the requirements of the meter manual, and the interval should not be too long.
Matters need attention for use
1.Environment element: Environment element are an important element affecting the measurement accuracy of the digital panel voltmeter. Also should try to avoid large change in the use of the meter environment. Such as temperature, humidity and so on.
2.Power supply: The stability of the power supply is also one of element that affect the measurement accuracy of the dc digital ampere meter. So a power supply with guaranteed quality should be selected, and sudden changes in power supply voltage should be avoided.
3.Cable connection: The quality of cable connection can also affect measurement accuracy, and attention should be paid to whether the cable contact is firm.
4.Measuring time: Some meter need amount of time to stabilize, and should be measured after the digital panel ammeter is stable.