Performing a Transformer Turns Ratio (TTR) Test with the Raytech TR-Mark III

Watch as we perform an actual transformer turns ratio (TTR) test using the Raytech TR-Mark III testing kit.
You can rent the equipment used in this video here:
Raytech TR-Mark III Three Phase TTR Test Set
protecequip.com/products/rayt...
The Raytech TR-Mark III Three Phase TTR (Transformer Turns Ratio) is used in routine maintenance and acceptance testing and for investigating the core, windings, and tap changer settings of transformers for common problems, such as:
Shorted turns & turn errors
Defective or incorrect tap settings
Mislabeled terminals & nameplates
Degradation of performance due to aging
Raytech TR-Mark III Three Phase TTR (Transformer Turns Ratio) features:
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
Simple touch screen operation
Graphical tap changer display
Tap changer interface
Load on test object greater than 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
Data exchange with USB-key
Mounted in rugged case for field-testing