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]

  • Test Parameters: Impedance Phase Angle; Phasing; Turn Ratio
  • Form Factor: Mobile
  • Phase: Three Phase
  • Testing Voltage: 1 to 100
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]

  • Test Parameters: Excitation Current; Impedance Phase Angle; Turn Ratio; Winding Polarity
  • Form Factor: Hand-Held
  • Phase: SIngle Phase; Three Phase
  • Testing Voltage: 1.5 to 8