Home › Applications › Transformer Testing
Transformer Testing
Turns ratio, power and loss measurements during transformer routine and type tests.
Products for Transformer Testing
Automatic Turns Ratio Instrument ATRI-3ATRI-3
1.000 to 200.0 · 0.1
Compact-3 Turns Ratio InstrumentCompact-3
1.000 to 200.0 (up to 2000 available) · 0.1
Digital True RMS WattmeterDTW-1
10 – 300 V (500 V available) · 2 / 5 / 10 / 20 / 60 A
Digital Power Factor Meter (ECO Series)DTPF-1
-0.8 to 0 to +0.8 · 1-phase AC (3-phase available)
Related articles
Connection Diagram: Wiring a Digital Wattmeter
How to connect the current and voltage circuits of a single-phase wattmeter, with and without a CT.
Meaning of Auxiliary Supply
What the auxiliary supply is, why many meters have one, and how it differs from the measured input.
How Much Overvoltage and Overcurrent Can the Unit Endure?
Understanding continuous overload, short-time overload and inrush ratings, with a sample table.