Category Archives: Tools

Explore free electrical engineering tools, calculators, converters, and reference charts designed for engineers, technicians, and electricians.

Insulation Resistance Temperature Correction Calculator

A megohmmeter reading only means something once you know the winding temperature that went with it. The same motor can read 800 MΩ cold in the morning and 90 MΩ after a shift at full load, and nothing is wrong with it. Correcting to a fixed reference temperature is what makes today’s number comparable to last year’s number.… Read More: Insulation Resistance Temperature Correction Calculator »