Raytech TR-SPY Mark III

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Fully Automatic Three Phase Transformer Turns-Ratio Meter


The Raytech TR-SPY Mark III is a fully automatic Three Phase Transformer Turns-Ratio Meter for the field. It has a color LCD with a back light and touch screen, which increases handling and user comfort. Two USB interfaces make it easy to store measurements on external storage devices, transfer easily to a personal computer and transfer or download nameplate data of the transformer to test.
Key features
– Color LCD with a back light and a simple-to-operate touch screen
– Two USB interfaces
– Automatic vector group detection
– Automatic measurements of voltage, turns ratio, current, and phase displacement
– Easy one-time hook up to the transformer
– Automatic test voltage range
– Displays deviation from a nominal ratio
– Graphical tap changer display
– Tap changer interface
– Load on test object <0.05 VA - Measures power transformers PTs and CTs - Displays % error vs. name plate value - Automatic phase vector detection - Enhanced heavy-duty protection circuitry - Emergency stop push button immediately turns off output - Internal printer - Data storage of over 10,000 measurements