Transformer test set
Staff -- Test & Measurement World, 2/1/2004 2:00:00 AM
Weighing just 3.3 lbs., the Megger TTR100 handheld test set measures the turns ratio, excitation current, phase displacement, DC resistance, and polarity of windings in single-phase and three-phase distribution transformers, as well as potential and current transformers and tapped transformers. The instrument boasts a turn ratio measurement of 20,000:1 accurate to within 0.1% or better. It also measures phase deviation (in minutes, degrees, or centiradians) of the transformer primary vs. secondary. Other features include an alphanumeric keyboard, an RS-232 interface, and the ability to store 200 test results and 100 user-defined transformer test settings. Megger, Dallas, TX. 800-723-2861;www.megger.com.
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