How does the tester handle tap changers?

For transformers with tap changers, after setting rated parameters, it automatically determines the tap changer position and ratio during measurement.

What is the power source for this tester?

It is powered by a Lithium Battery 10AH 12V, making it portable and suitable for field use.

3-phase Transformer Turn Ratio Tester excitation current tester

Name: 3-phase Transformer Turn Ratio Tester excitation current tester
Brand: HV Hipot Electric Co., Ltd.
SKU: 1938866665

Hubei, ChinaHV Hipot Electric Co., Ltd.

US$2,900.00-3,900.00

1 Piece

Product profile

Customization

Available

Type

Universal Testing Machine

Accuracy Grade

0.5

Model NO.

GDB-IV

Load Way

Electronic Load

Loading Method

Dynamic Load

Display

Digital

Control

Computer Control

Weight

about 10kg

Power Source

AC220V

Accuracy of current measurement

1% FS+2digits

Ambient temperature

-20~40 centigrade

Ambient humidity

less than 85% RH

Transport Package

Wooden Case

Specification

ISO9001

Trademark

HV Hipot

Origin

Wuhan, China

HS Code

8501109990

Production Capacity

5000/Year

Key features

7-inch Touch Screen: Features a 7-inch touch screen with a full English menu for easy operation.

Fast Testing Speed: Testing time for one group of data is only 10 seconds for high efficiency.

Comprehensive Protection: Equipped with over-current, over-voltage, over-heat, and reverse connection protection.

PC Control & Data Save: Two USB ports allow PC control and data saving via Excel files or USB disk.

Automatic Tap Changer: Automatically determines tap changer position and ratio after parameter setting.

Portable Design: Compact dimensions (387*175*379 mm) and light weight (9 kg) for portability.

Company profile

HV Hipot Electric Co., Ltd.

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service AvailableExport Year: 2011-07-01 CertifiedNearest Port: Wuhan PortAverage Response Time: ≤1.73h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryHV Hipot Electric Co., Ltd. is a China-based factory and limited company in Wuhan, Hubei, established in 2006 according to the company profile, while another description states operations began in 2003. It manufactures high-voltage testing and related electrical measurement equipment, including AC/DC hipot testers, partial-discharge testers, and circuit-breaker testers. The supplier reports ISO9001:2015 and ISO14001:2015 certifications, three production lines, 6–10 quality-control staff, and eight years of R&D-engineer experience; another statement reports 18 technicians in its R&D team. It serves multiple overseas markets and accepts LC and T/T payment terms, with stated one-month lead times in both peak and off-peak seasons. Evidence supports established technical and manufacturing capabilities, but after-sales service, customization, and specific customer cases are not sufficiently documented.

Supplier typeThe supplier is identified as a limited company, a factory, and a manufacturing enterprise located in Wuhan, China. Its business focuses on instruments, meters, electrical and electronic products, particularly high-voltage testing equipment.

CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 certificates, while another company description confirms ISO9001 quality management certification and high-tech enterprise qualifications. These statements provide direct evidence of formal quality and environmental management credentials.

R&D capabilityThe supplier reports successive development of multiple high-voltage testing products, participation in high-voltage and energy-saving projects with State Grid-related organizations, research institutions, and Wuhan University, and an R&D team described as 18 technicians. These are explicit indicators of product-development and technical innovation capability.

Production capacityThe supplier operates as a factory with three production lines, 6–10 quality-control staff, a 2,712 m² manufacturing plant, and stated one-month order fulfillment in both peak and off-peak seasons. It also reports self-operated import and export rights and serves several overseas markets, supporting a positive assessment of production and delivery capability.

Product Q&A

Q:What types of transformers can this tester measure?

It is suitable for single-phase and three-phase transformers, including power transformers, phase shifting rectifier transformers, Scott transformers, and Inverse Scott transformers.

Q:What is the testing speed for one group of data?

The testing speed is fast, with a time of only 10 seconds required for one group of data.

Q:Does the device support PC control and data export?

Yes, it has two USB ports. One allows online control and measurement by PC, and data can be uploaded and saved via Excel files or a USB disk.

Q:What safety protections are included?

The instrument features over-current, over-voltage, over-heat, and reverse connection protection functions to ensure safe operation.

Q:What is the accuracy of the turns ratio test?

The accuracy varies by voltage range: Class 0.1 for 1-500, Class 0.2 for 500-2000 and 1-100, and Class 0.5 for 2000-5000 and 100-500.