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 3PH Transformer Turns Ratio Test Set TTR (Rent/Lease) -- 550503
from Electro Rent Corporation

Megger (formerly Biddle) 550503 This automatic Transformer Turns Ratio Test Set has a 10,000:1 ratio measurement with 0.1% accuracy. Will measure phase deviation (in minutes or centiradians) of the transformer primary versus secondary. The TTR comes equipped with sufficient onboard memory to store... [See More]

  • Features: Storage
  • Form Factor: Mobile
  • Phase: SIngle Phase
  • Test Parameters: Turn Ratio