What are some detailed issues that need attention when using a digital voltage meter?

When using a digital voltage meter, attention should be paid to the following details:

Measurement range: Ensure that the selected measurement range of the digital voltage meter meets actual needs and does not exceed its rated measurement range to prevent damage to the instrument.

Correct wiring: When connecting the digital voltage meter for measurement, it is essential to ensure that the wiring is correct, connecting the positive and negative terminals to the measurement points correctly, as incorrect connections can lead to erroneous measurement results or instrument damage.

Accuracy and resolution: Understand the accuracy and resolution of the digital voltage meter to ensure accurate measurement results.

Voltage stability: During the measurement process, ensure that the voltage in the circuit is stable to avoid sudden voltage fluctuations that can affect measurement results.

Anti-static measures: When operating the digital voltage meter, pay attention to anti-static measures to prevent static electricity from affecting or damaging the instrument.

Instrument maintenance: Regularly clean and calibrate the digital voltage meter to ensure its normal operation and accuracy.

Protect the screen: When not using the digital voltage meter, protect its display screen to avoid scratches or contamination that can affect display quality.

Temperature and humidity environment: Digital voltage meters should typically be used within the specified temperature and humidity ranges to avoid the impact of excessively high or low environmental temperatures and humidity on instrument performance.

By paying attention to these details, you can effectively enhance the use of the digital voltage meter and ensure the accuracy and reliability of measurement results.