Testing
What is RMS?
Definition
Root Mean Square — the effective value of an AC voltage or current that produces the same heating as an equivalent DC value. RMS measurements are the standard for rating motors, drives, and AC electrical equipment.
Related Terms
Need help with RMS?
Our engineers have 32+ years of experience diagnosing and repairing testing equipment. Get expert support for your rms issues.
Back to Full Glossary502 terms across all categories