Transformer DC Resistance Tester

Transformer DC Resistance Tester

Type: ZC-205A(20A)
      The DC resistance is the transformer’s semi-finished product, finished product test, installation, commissioning test, and electric part prevention test necessary test project,the transformer coil can effectively find the device welding, connecting parts loose, missing unit, disconnection, and other manufacturing default and other hidden danger occurred after operation.
      The DC Resistance transformer to meet fast measurement requirement, we developed ZC-205A(20A) DC Resistance Tester. The instrument is a new powerful technology, small size, light weight, high output current and other characteristics.
      The device is controlled by the microcontroller, with a high degree of automation, automatic discharge functions. It is a test instrument of high precision, simple, direct way to achieve fast transformer measurement.
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Product Features
     1. Whole instrument controlled by high speed SCM, high automatic degree and simple operation.
     2. This transformer tester uses advanced power technology, has multiple current positions, and has a wide test range, which is suitable for testing the DC resistance of large and medium-sized transformers.
     3. Has a complete circuit protection, reliable.
     4.Discharge alarm, discharge indicator clear, reduces misuse.
     5. The transformer tester has a fast response speed and can be directly converted into a load tap changer under the measurement state, and the instrument automatically refreshes the data.
     6.Intelligent power management technology, instrument is always working at minimum power state, effective energy saving, reduce heat.
     7.320 x240 matrix of ultra small pixel 65Ktrue color LCD.
     8.With calendar clock and power storage, can store 1000 groups data, can be check at any time.
     9.With RS232 and USB interface, computer communications and U disk storage.
Output current  <20mA 、1A、2.5A、5A 、10A、20A
Resolution 0.1uΩ
Accuracy ±(0.2%+2 Readings)
Operating temperature 1. 0~40℃
Ambient humidity ≤90%RH,(non condensed)
size 400mm*225mm*350mm.
Instrument weight 13kg, wiring case:5kg.
Range 100μΩ~1Ω      (20A)
 500μΩ~2Ω      (10A)
1mΩ~4Ω         (5A)
2mΩ~8Ω        (2.5A)
5mΩ~20Ω         (1A)
10Ω~20KΩ       (<20mA)

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