Multi-function TRMS Digital Multimeter DM100B

DM100B is a multi-function multimeter with 10000 counts and high-precision measurement functions. Its maximum resistance measurement is 100MΩ resistance measurement, suitable for a wider range of electrical system tests. Supports ACV/ACA true RMS measurement, non-contact AC voltage detection. It has diode and continuity automatic detection functions. DM100B also provides fuse blown warning and neutral and live wire identification to ensure test safety. Frequently Asked Questions Why does my multimeter show “OL” or “1”? When your multimeter displays “OL” (Over Limit) or “1”, it usually means the measurement exceeds the selected range or the circuit is open. For example, if you’re measuring resistance and the probes aren’t touching anything (or measuring an open circuit), your multimeter will show “OL” or “1” to indicate that the value is out of range. Switching to a higher range or reconnecting the probes usually resolves the issue. Yes, many digital multimeters come with a built-in temperature measurement function. These models typically include a K-type thermocouple probe that allows you to measure temperatures in Celsius or Fahrenheit. Check your multimeter’s specifications to see if it supports this feature. It’s especially useful for HVAC technicians or electronics troubleshooting.