Megger TTR20


Transformer Turns Ratio Tester

TTR20 567850
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Transformer Turns Ratio Tester


ItemTransformer Turns Ratio Tester
Turns Ratio Range0.8 to 10,000
Accuracy+/-0.1 to 0.25% Range Dependent
Transformer PolarityNormal or Reversed
Calibration Frequency55 Hz
Excitation Current Range0 to 100 mA
Excitation Voltage RangeAutomatic, 8 V AC for Distribution or Power Transformers and Potential Transformers, 0.5, 1.5 or 8 V AC for Current Transformers
Operating Temp. Range-5 to 130 Degrees F
Ambient Humidity Range0 to 90%
Auto Power OffYes
Power SourceAA Battery
Includes Battery, Carrying Case, 6 Foot Winding Leads and Instructions
Weight 3.450000


Transformer Turns Ratio Tester, Turns Ratio Range 0.8 to 10, 000, Accuracy +/-0.1 to 0.25 Percent Range Dependent, Transformer Polarity Normal or Reversed, Calibration Frequency 55 Hz, Excitation Current Range 0 to 100 mA, Excitation Voltage Range Automatic, 8 V AC for Distribution or Power Transformers and Potential Transformers, 0.5, 1.5 or 8 V AC for Current Transformers, Display LCD, Operating Temp. Range -5 to 130 Degrees F, Ambient Humidity Range 0 to 90 Percent, Auto Power Off Yes

Transformer Turns Ratio Tester
  • Handheld instrument test11s 1- and 3-phase distribution and power transformers (phase by phase), potential and current transformers, and voltage regulators. RS-232 port. Auto-Off. Requires AA battery, sold separately. Includes 6-ft. winding leads and case.
  • Measures excitation current and polarity Excitation voltage range: automatic 8VAC for distribution, power, or potential transformers; 0.5, 1.5, or 8VAC for current transformers 1-button operation Impact
  • and shock-resistant case Backlit LCD

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