Meg Alert Blog Tech Note : The importance of Hot Insulation Resistance readings vs Cold Insulation Resistance readings.

One of the major benefits to an automatic permanently installed Insulation Resistance testing system( MegAlert Motorguard and Genguard ) is that it allows technicians to capture the "Hot insulation" reading in a motor or generator winding, along with the "Cold insulation" level reading. Then by comparing the two readings you can determine the true electrical [...]