Automatic Transformer Ratiometer -- TR-SPY
from Duncan Instruments Canada, Ltd.

Top performance with single button operation: Fully automatic. Housed in rugged, lightweight and waterproof case. Laboratory accuracy of measurements: Voltage and Turns ratios. Phase displacement. Internal storage for test results. Single hookup to the transformer. Three voltage ranges: 10, 40 and... [See More]

  • Features: Computer Interface; Fully Automated; Storage
  • Form Factor: Mobile
  • Phase: Three Phase
  • Test Parameters: Impedance Phase Angle; Phasing; Turn Ratio
Megger 3Phase Transformer Turns Ratio Test Set TTR 120V 50/60Hz (Rent/Lease) -- MGR-TTR330
from Electro Rent Corporation

Megger TTR330 The MGR-TTR330 offers a new user interface which allows the operator to interact with the PowerDB ONBOARD software system via full QWERTY and navigation keypads as displayed on an 8.4" VGA bright-color screen. One of the primary benefits of this interface is that it displays the actual... [See More]

  • Features: Battery Powered (optional feature); Computer Interface; Fully Automated; Graphic Results; Printer / Plotter Interface; Storage
  • Form Factor: Mobile
  • Phase: SIngle Phase; Three Phase
  • Test Parameters: Phasing; Turn Ratio
Turns Ratio Test Set -- TTR™100
from Megger

The latest TTR available from Megger is the TTR100, a handheld, robust, lightweight and battery operated instrument. This TTR will complement several existing Megger transformer test products and will offer switchable functions, such as winding resistance and polarity. It is the only instrument in... [See More]

  • Features: Battery Powered; Integrated Data Logger; Fully Automated; Graphic Results; Printer / Plotter Interface
  • Form Factor: Hand-Held
  • Phase: SIngle Phase; Three Phase
  • Test Parameters: Excitation Current; Impedance Phase Angle; Turn Ratio; Winding Polarity
Digital Transformer Ratiometer -- Model 8500 [Model 8500 from AEMC Instruments]
from Fotronic Corporation / Test Equipment Depot

The DTR-8500 is a portable digital transformer ratiometer designed for on-site testing of power, potential and current transformers. When connected to a non-energized transformer, the DTR-8500 accurately measures primary to secondary turns ratio, while simultaneously displaying polarity and... [See More]

  • Features: Battery Powered; Fully Automated
  • Form Factor: Mobile
  • Phase: SIngle Phase; Three Phase
  • Test Parameters: Excitation Current; Turn Ratio; Winding Polarity