• Şerifali Mah. Hendem Cad. No:38 D:2 Ümraniye/İstanbul

Vanguard ATRT-03B

Manufacturer Vanguard
Model ATRT-03B                                 

The ATRT-03 S2 is Vanguard’s third generation, microprocessor-based, automatic, three phase, transformer turns-ratio tester. This lightweight and rugged portable unit is designed for transformer testing at utility power substations.

The ATRT-03 S2 determines the transformer turns-ratio using the IEEE C57.12.90 measurement method. The ATRT-03 S2 outputs an excitation test voltage to the transformer’s primary windings. The induced secondary voltage is sensed and the transformer turns-ratio is calculated. The ATRT- 03 S2 can measure turns-ratios from 0.8 to 15,000. The transformer turns-ratio, excitation current, and phase-angle readings are displayed on the large backlit LCD. The built-in transformer type detection feature allows the ATRT-03 S2 to detect and test 130 transformer types de ned by ANSI, CEI/IEC and Australian standards.

  • Highest ratio: 0.8 - 15,000
  • Capable of detecting 130 different 3-phase transformer types defined by ANSI, IEC, and Australian standards
  • Phase angle and excitation current measuring
  • Computer Interface (RS-232C and USB Port)
  • USB flash drive interface
  • Name-plate turns ratio calculation
  • Computed % error based on measured and calculated ratio
  • Optional 4.5" / 11cm thermal printer
  • Powered from a single phase 100-264 Vac 50/60 Hz
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Technicial Specifications

  • Size: 45,7 x 17,8 x 38,1 cm
  • Weight: 9 kg
  • Power: 100 – 240 Vac, 50/60 Hz
  • Measurement Method: ANSI/IEEE C57.12.90
  • Conversion Rate Measurement Range: 08 – 15,000:1
  • Test Voltage: 8 Vac @1.0A, 40 Vac @0,2A, 100 Vac @0,1A
  • Current Reading Range: 0 – 1 Ampere, accuracy: ±0.1mA, ±2% reading (±1 mA)
  • Phase Angle Measurement: 0 – 360 degree, accuracy ±0.2 degree (±1 digit)
  • Display: LCD 128 X 64 pixels
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