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Current transformer field calibrator

Current transformer field calibrator

Type: ZC-110
       ZC-110 current transformer field calibrator is developed by high-end testing technology, large-scale electronic circuit design and in accordance with the relevant national regulations. It solves the problems of current transformer and voltage transformer in the field verification, such as high working intensity and complicated operation. Meanwhile, the product has reliable performance and powerful functions.
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Product Features
     1. It has the functions of measuring the error of current transformer, transformer ratio, polarity, dc resistance, etc., so as to facilitate on-site verification of metering devices;
     2. The current transformer without the standard current transformer, inverter, load cases, regulating control box and high-current conductor, using a very simple test wiring and realization of current transformer test operation, greatly reduce the working intensity and improves the work efficiency, convenient field in transformer field verification work;
     3. The standard voltage transformer with the same transformer ratio as the current transformer under test has the accuracy up to level 0.05, so as to accurately measure the transformer ratio and no-load error of the current transformer under test. Then the error of the transformer is calculated by combining the results of impedance and admittance.
     4. Adopt different frequency power source test close to the power frequency to prevent electromagnetic radiation and series interference of the on-site power frequency;
     5. The measurement range is wide, up to 5A/5A ~ 25000A/5A or 5A/1A ~ 6300A/1A;
Parameter
Measurement Range 5A/5A~31500A/5A or 5A/1A~6300A/1A
CT Working Range 1%~120%
CT Secondary Load 2.5VA~300VA, COSϕ=0.1~1.0
CT Accuracy Range 1.0、0.5、0.5S、0.2;0.2S
Resistance Trans~admittance Error ≤5.0%
Resistance Trans~admittance Range R:0.00Ω~20.0Ω; Y:0.00mS~100.0mS 

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