276x Automatic Instrument Transformer test Set

276x Automatic Instrument Transformer test Set

The 276x series provide automatic current and voltage transformer testing with modern, fully automatic instruments for fast, accurate measurement of instrument transformer errors. Increasingly severe quality control requirements call for a higher degree of operating comfort and absolute reliability of the measuring equipment employed.

Model 2763 Test set for current instrument transformers only
Model 2767 Test set for current and voltage instrument transformers
Model 2769 Test set for voltage instrument transformers only

Complimentary component options

  • Series 4760 standard current transformer (current comparator)
  • Series 4820 standard voltage instrument transformer
  • Series 4860 electronic standard voltage divider with high-voltage capacitive divider
  • Type 3691 or 3695 programmable electronic burdens

Designed for use in:

  • Remote-controlled environments – IEEE 488 interface
  • Laboratories
  • Manufacturing processes
  • Quality control procedures
  • Official meteorology stations

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Key Features

  • Current and voltage transformer measurements with a single instrument
  • Fully automatic measurement and digital display of current/voltage ratio errors, phase displacement, test current and voltage
  • Measurements are possible on instrument transformers of practically any primary and secondary current and voltage ratings
  • Test and standard transformers may have different ratios
  • A cost-effective solution:
    – Different transformers can be tested using one standard transformer
    – Different transformer ratios are matched without an external divider
  • Interactive parameter entry simplifies operation
  • Plain-language display of error messages on a 2 x 16 character dot-matrix
  • Short measurement times, and dynamic averaging
  • High accuracy, and low inherent burden
  • Specifications conform to the standards/ recommendations of IEC 60044 and IEC 61869, ANSI/IEEE C57.13 and VDE 0414, part 2
  • Including RS 232 interface for computer/printer connection and optional IEEE488 GPIB interface