Why Can’t I Switch Between AC and DC Voltage Automatically on My UNI-T Digital Multimeter?

You are trying to measure voltage with your UNI-T multimeter, but it won’t automatically switch between AC and DC. This is a common frustration that can make simple electrical jobs feel confusing. Your UNI-T meter is designed this way for safety and accuracy, not because it is broken. AC and DC signals behave very differently, … Read more