Arizona Integrated Technology, Inc.

Real Three Phase Automatic Ratio Tester for Power Transformer Model: ART-3D

The ART-3D™ series of ratio meters are high precision instruments, designed to measure turn ratios, phase displacements, excitation currents of single phase and three phase power, distribution and instrument trans­formers in conformity to the IEEE C57.12.90 & IEC 60076.


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• Real 3 Phase Output up to 275V
• Very High Accuracy 0.03%
• Primary, Secondary, Tertiary in 1 test • • Onboard LTC Wizard
• Fully Automatic LTC Test Sequence
• Tests all Transformer Configurations • • • Automatic Vector Group Detection
• High Performance Anti-Induction

ART-3DTM, Ultimate Ratio Tester
• This is no ordinary turns ratio tester. This is top-of-the-line, well-thought and high precision manufactured instrument

• Finally able to match field results with those of manufactures

• Enhanced ease-of-use design. User manual will seem optional

• Worldwide renowned innovative solutions

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