GDKC-5000 Transformer On Load Tap Changer Tester

●Test Y0, Y, ∆ type transformer, the resistance will be displayed directly without conversion.

●Automatically identify faults of the waveform and make a mark.

●Test with winding or without winding.

●The sampling data can automatically adjust resistance and time range, to display waveform.

●3-phase synchronization display for ∆-type transformer.  

●Four terminal connection mode, with high accuracy resistance measurement.

●Continuous testing, saving the power cut time of transformer.

●Generate word format reports, more convenient for data management and query.

●Controlled by a small computer.

●Color LCD 800*480 touch screen, high speed printer, external mouse can be connected.

●1000 sets of data can be stored. External U disk can be used for storage.

●3-phase constant current source charging, charging current: 3A/1A step, 0.6A/0.2A step.

●Max. Terminal voltage: 24V.

●Max. Range of transient resistance: 100Ω.

●Measuring range of transient resistance: 1A step: 0.4Ω-20Ω; 0.2A step: 10Ω-100Ω.

●Time length of waveform recording: 300ms.

●Sampling rate: 30k.

●Time resolution: 0.1ms.

●Resistance resolution: 0.1Ω.

●Accuracy: Transient resistance: ±5% of the reading±0.1Ω

●Transient time: ±0.5% of the reading±0.2ms

●Working condition: Temperature -10~40℃, Relative Humidity<85% RH●