UHV-331 Transformer TTR Tester-Catalog

Product catalog summary

Product Introduction
The UHV-331 Transformer Turns Ratio Tester is designed for three-phase transformers in power systems, particularly those with Z-type windings and high zero-load currents. It offers a wide testing range, fast speed, and easy operation.

Product Features

Suitable for Z-type connected transformers.
Two optional output voltages for high zero-load current transformers.
Wide testing range with a maximum transformation ratio of 10000.
Automatic tap position calculation.
Fast testing speed of 18 seconds for three-phase.
Good repeatability and automatic data saving for up to 99 entries.
Flexible data processing options including retrieval, printing, and uploading to a PC.
Short-circuit protection with LCD display alerts.
Upper computer control for testing and data saving.
Compact size, slightly larger than A4 paper, and lightweight at 6.9kg.

Technical Parameters

Transformation ratio testing range: 0.8 to 10000.
Group testing range: 1 to 12.
Accuracy classes vary by voltage and ratio range.
Resolution: 0.0001.
Power input: 220V±10%, 50Hz±1Hz.
Operating temperature: -20℃ to 40℃.
Relative humidity: ≤85%, no condensation.
Dimensions: 325mm x 278mm x 188mm.
Weight: 6.9kg.

Catalog excerpts

UHV-331 Transformer TTR Tester-Catalog-1

Wuhan UHV Power Technology Co.,Ltd.

Open the catalog to page 1

UHV-331 Transformer TTR Tester-Catalog-2

Wuhan UHV Power Technology Co.,Ltd. UHV-331 Transformer Ratio Tester is specially designed for three- phase transformer in power system, especially for transformer of type Z winding and other transformers whose zero-load current is relatively high. The tester has wide testing range, fast testing speed, favorable repeatability, flexible data processing, convenient connection, complete protection, easy learning and convenient operation. 1. Applicable to transformers connected in Z type. 2. Two output voltages are optional and applicable to transformer whose zero-load current is relatively high....

Open the catalog to page 2