Synchronising Relay test unit (2 voltage channels, variable frequency).
Low Forward Power Relay test unit (1 voltage and 1 current channel, variable frequency).
3 phase WATT / VAR Transducer test unit (including digital wattmeter).
3 phase general purpose test unit (3 voltage and 3 current channels).
All with adjustable phase angle between phases and optional variable frequency where not standard.
Convex Design Limited
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