SFH141 Instrument Transformer Characteristics Tester

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Introduction

 

This instrument is especially designed to test volt-ampere characteristics, transformation ratio and polarity differences for relay protection testing current transformers. It is also used to judge the polarity of transformers, as a multi-functional instrument with excellent cost performance. The instrument takes use of transformer with special winding method, as well as high efficiency, low consume materials. Data acquisition, analysis and save is accomplished by microprocessor. The instrument is equipped with printer inside to print the test data and curves. When testing CT transformation ratio, the ratio would be automatically calculated. All the test work would be done by only one person. The instrument is featured by light, portability and easy operation.

Technical Parameters

  • Input voltage: AC 220V/380V, 50Hz, automatic recognition of the input voltage
  • Ambient temperature: 0~40℃
  • Output voltage: when input AC 220V, output voltage is 0-500V-1000V
                                when input AC 380V, output voltage is 0-1000V-2000V
                Current: during transformation ratio test, the max instant current is 600A
                                when input AC 220V, output current is 0~400A
                                when input AC 380V, output current is 0~600A
  • Digital voltmeter measuring range: 0~9999V resolution: 0.1V
            Used to display current range: 0~9.9A    resolution:0.1mA
  • Digital ammeter measuring range: 0~3000A  resolution: 0.01A
  • Error: I≤1%,U≤1%
  • When testing CT transformation ratio, the ratio would be automatically calculated. Test result could be printed.
  • When testing volt-ampere characteristics, the instrument allows save and print 20 groups of current-voltage information and the characteristic curves.
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manufactures and sells high voltage electric equipment. Our main products include high voltage complete test systems, testing instruments.

 

Vista & Mission

manufactures and sells high voltage electric equipment. Our main products include high voltage complete test systems, testing instruments.

 

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power transformer test system, instrument transformer test system, PD test system, various AC test systems, series resonant test system, impulse voltage/current test system, high voltage capacitive bridge, series high voltage standard capacitors, etc.