WDHG-A Transformer comprehensive tester

All test items can be completed without other auxiliary equipment.

With micro fast printer, can directly print test results.

Using the intelligent controller, simple to operate.

• Supports detection of CT and PT

• Meet the requirements of GB1207, GB1208 and other regulations.

• No external auxiliary equipment is required, and all inspection items can be completed by a single machine.

• Comes with a miniature fast printer, which can directly print the test results on site.

• Adopt intelligent controller, easy to operate.

• Large-screen LCD, graphical display interface.

• Automatically give CT/PT (excitation) inflection point value according to regulations.

• Automatically give 5% and 10% error curves.

• It can save 3000 groups of test data, which will not be lost after power failure.

• Support U disk dump data, can be read by standard PC, and generate WORD report.

• Small and lightweight ≤22Kg, very useful for field testing.

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Product Details

Item		Parameters
working power supply		AC220V ±10% 、50Hz
facility discharge		0 ~ 2,500 V r m s, 5Arms (20A peak)
Large current output		0～1000A
Excitation accuracy		0.5% (0.2% * Read + 0.3% * range)
secondary winding resistance measurement	Range	0.1～300Ω
	accuracy	0.5% (0.2% * Read + 0.3% * range)
The second actual Load measurement	range	5～300VA
	accuracy	0.5% (0.2% * Read + 0.3% * range) ± 0.1VA
phase measurement (Corner difference)	accuracy	4min
	resolution ratio	0.1min
CT Variable ratio measurement	range	≤25000A/5A（5000A/1A）
	accuracy	≤0.5%
PT Variable ratio measurement	range	≤500KV
	accuracy	≤0.5%
work environment		Temperature: -10℃ ~ 40℃, humidity: 90%, altitude: 1000m
Size, weight		Dimensions: 410mm 250mm 300mm, weight: 22Kg

Test Function:

CT Current Transformer	PT voltage transformer
• Volt-ampere characteristic (excitation characteristic) curve	• Volt-ampere characteristic (excitation characteristic) curve
• Automatically give inflection point value	• Automatically give inflection point value
• Automatically give 5% and 10% error curves	• Ratio measurement
• Ratio measurement	• Polarity judgment
• Polarity judgment	• Secondary AC withstand voltage test
• One pass flow test	• Core demagnetization
• Secondary AC withstand voltage test
• Core demagnetization

Specifications of this series

Small screen voltage method 1000V

Voltage method 2500V

Current method 1200V/600A

Current method 1200V/1000A

Current method 2500V/600A

Current method 2500V/1000A

Current method 3000V/1000A

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Tel:+86 13657267902

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