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Automatic Three Phase Transformer Turns Ratio Tester for Transformer Troubleshooting

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Automatic Three Phase Transformer Turns Ratio Tester for Transformer Troubleshooting

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Brand Name :	XZH TEST
Model Number :	XHBB128B
Certification :	CE, ISO
Price :
Payment Terms :	T/T
Supply Ability :	2000PCS/Year
Delivery Time :	5-8 days

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Automatic Three Phase Transformer Turns Ratio Tester for Transformer Troubleshooting

XHBB128B transformer turns ratio tester

Introduction

Before a newly installed transformer is put into operation, the production process of semi-finished and finished power transformers requires testing the turns ratio or voltage ratio of the operating transformer, in accordance with the preventive test regulations of the Ministry of Electric Power. This includes checking the transformer turns ratio for correctness, the condition of the tap changer, whether the transformer is short-circuited between turns, and whether the transformer can be operated in parallel. Traditional ratio bridges have non-intuitive readings and can only perform conversions phase by phase. The XHBB128B transformer turns ratio tester overcomes these limitations, offering easy and intuitive operation. It uses a three-phase precision inverter power supply, ensuring fast testing and high accuracy.

Features

1. The instrument uses a three-phase precision inverter power supply instead of a single-phase mains power supply as the measurement voltage, which eliminates the harmonic influence of the mains voltage during measurement and makes the measurement more accurate. When the working power source is a generator, it has no effect.
2. The self-made precision three-phase inverter power supply is adopted, which has high and low voltage reverse connection protection, transformer inter-turn short circuit protection, tap switch not in place protection, output full short circuit protection, and increases the stability of the instrument.
3. Using 7-inch high-definition color touch screen LCD, modular display, each operation step has Chinese prompts, no need for manuals, just look at the LCD prompts to complete the instrument operation.
4. The instrument has both print output, U disk interface, and RS232 interface, which is convenient for paperless office.
5. It adopts multi-functional engineering plastic box that is resistant to cold and temperature, is sealed and waterproof, and is anti-drop and shock-proof, which is convenient for field experiments.

Technical indicators

Test range	0.9~10000
Measurement accuracy	±0.1%+2 digits (0.9-500) ±0.2%+2 digits (501-2000) ±0.5%+2 words (2001-10000)
Resolution	0.0001 minimum
Output voltage	automatically adjust according to load
Power supply	AC220V±10% 50±1Hz
Ambient temperature	-10ºC~40ºC
Relative humidity	≤85%, no condensation
Dimensions	host: 360290170(mm) wire box: 360290170(mm)
Weight	host 5.9KG wire box: 5.65KG

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