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Vanguard ATRT-01/01B S3 Single-Phase Transformer Turns Ratio Testers

ATRT-01 / 01B S3

ATRT-01/01B S3 Single-Phase Transformer Turns Ratio Testers

transformer turns ratio testers 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.

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M2K engineers testing a distribution transformer with Vanguard instruments at Energypac

Overview

transformer turns ratio testers 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.

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. The ATRT-01 S3 features a back-lit LCD screen (128 x 64.

The ATRT-01 S3 can store 128 records of 33 readings internally, and up to 999 test records on an external USB Flash drive. Test records can be recalled using the included Transformer Analysis

Key capabilities

  • Standalone or computer-controlled
  • Displays turns-ratio from 0.8-15,000 : 1
  • Calculates turns-ratio percentage error
  • Displays winding polarity and phase angle
  • Displays excitation current
  • Battery or AC-powered (ATRT-01B S3 only)

Specification

Indicative specification for Vanguard ATRT-01/01B S3 Single-Phase Transformer Turns Ratio Testers

Indicative specification for guidance. Confirm the current manufacturer datasheet for the configuration being quoted.

Typical applications

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