According to IEC and relevant national standards, the transformer ratio test is a must-do item during the production, user handover, and overhaul test of power transformers. This can effectively supervise the quality of the transformer products during delivery and use, and prevent short circuits, open circuit, wrong connection between transformer turns, and internal failure or contact failure of the regulator switch.

For this reason, the ratio tester GDB-II developed and produced by our company makes the operation easier, complete functions, stable and reliable data, and greatly improves the test speed according to the user’s on-site use requirements on the original basis. It meets the needs of various large, medium, and small oil transformer ratio tests.

Product Features:-

●Easy and simple operation.

●Test single phase and three phase oil transformers.

●Measure transformer connection groups automatically.

●Fast measurement speed.

●After one measurement is completed, the test power supply is automatically

cut off.

●Save the test data automatically, and previous data can be viewed.

●When testing the on-load transformer, only input the transformation ratio

once.

●Easy to carry, suitable for field work.

Specifications:-

●Measurement range of ratio: 1-9999.9

●Accuracy: 1-999.99 0.2%; 1000-9999.9 0.5%

●Power supply: 220V±10%, 50Hz

Group: 1-12

●Working temperature: -10--40℃

●Environment humidity: <80% no-condensation

Size: 400*290*170mm

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