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ATRT-01 S3 Transformer Turns Ratio Tester

4 250,00 € tax incl.
VANGUARD
  • Standalone or computer-controlled
  • Inexpensive
  • Displays turns-ratio from 0.8-15,000
  • Calculates turns-ratio percentage error
  • Displays winding polarity and phase angle
  • Displays excitation current

The ATRT-01 S3 is Vanguard’s fourth generation, micro-processor based, single phase, automatic transformer turns-ratio tester. The ATRT-01 S3 uses the IEEE C57.12.90 measuring method to determine the transformer turns-ratio. The transformer turns-ratio is determined by precisely measuring the voltages across the unloaded transformer windings. The ATRT-01 S3’s measuring circuitry self adjusts before each measurement to ensure turns-ratio accuracy. Two selectable test voltages, 4Vac and 40Vac, offer flexibility in testing different types of transformers.

 
The ATRT-01 S3 is Vanguard’s fourth generation, micro-processor based, single phase,
automatic transformer turns-ratio tester. This portable test unit is available in two
models, the ATRT-01 S3 (line power only), and the ATRT-01B S3 (rechargeable-battery
powered).
The ATRT-01 S3 uses the IEEE C57.12.90 measuring method to determine the transformer
turns-ratio. The transformer turns-ratio is determined by precisely measuring
the voltages across the unloaded transformer windings. The ATRT-01 S3’s measuring
circuitry self adjusts before each measurement to ensure turns-ratio accuracy. Two selectable
test voltages, 4Vac and 40Vac, offer fl exibility in testing different types of
transformers.
 
The ATR-01 S3 can measure transformer turns-ratios
ranging from 0.8 to 15,000 and can be used to test voltage
regulators, power transformers, current transformers
(CT), and potential transformers (PT). The ATRT-01
S3 also measures and displays transformer- winding
excitation current, winding polarity, and winding phase
angle. Test results are displayed on a back-lit LCD screen
(128 x 64 pixels) that is viewable in bright sunlight and
low-light conditions.
In addition to measuring a transformer’s turns-ratio, the
transformer’s name plate voltages can also be entered,
and the ATRT-01 S3 will then display the turns-ratio
percentage error. This convenient feature eliminates any
user calculation errors when testing transformers.
When testing a 3-phase transformer, the ATRT-01 S3
provides connection information (H and X test leads to
the transformer bushings) for phase A, B and C tests.
The three phase test results (turns-ratio, excitation current,
winding polarity, phaseangle, and percentage error)
are displayed on the LCD screen.


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