Vanguard TRM-40 Amp Winding Resistance Meter

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The Vanguard TRM-40 Amp Winding Resistance Meter measures DC resistance values for transformer windings and inductive devices. This third-generation transformer measures two windings: primary and secondary. Internal test record storage includes 256 static test records with each able to contain a max of 111 readings and 120 dynamic test records. Through the use of a USB drive, the device has a maximum external storage of 999 tests.

The TRM-40 observes resistance values from 1 µΩ to 500 µΩ. The versatile device features a test current range of 1A to 40A and measures in 1A increments. Using the Vanguard TRM-40 Amp Winding Resistance Meter, technicians record useful data accurately and efficiently.