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.

What is the power supply for this tester?

The device is powered by a 10AH lithium battery, making it portable and suitable for field use.

Can this tester be used in railway electrical systems?

Yes, it is suitable for use in power systems, transformer manufacturing, and railway electrical systems.

HVHIPOT GDB-IV Transformer Turns Ratio Tester

Name: HVHIPOT GDB-IV Transformer Turns Ratio Tester
Brand: HV Hipot Electric Co., Ltd.
SKU: 1948197935

Hubei, ChinaHV Hipot Electric Co., Ltd.

US$2,480.00-5,200.00

1 Piece

Product profile

Customization

Available

Phase

Three

Brand

HV Hipot

Model NO.

GDB-IV

Power Supply

Lithium battery 10AH

Turns Ratio Range

1-5000

Group testing range

0-11

Resolution of angle

0.01°

Accuracy of current measurement

1% FS+2digits

Transport Package

Wooden Case

Specification

ISO, SGS

Trademark

HV Hipot

Origin

Wuhan China

Production Capacity

3000PCS/Year

Key features

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

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

Automatic Tap Changer: Automatically determines tap changer position and ratio for transformers with tap changers.

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

PC Connectivity: One USB port allows online control and measurement via PC with Excel data saving.

Portable Design: Powered by a 10AH lithium battery for portable use in various environments.

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: ≤3.93h 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 time for one group of data is 10 seconds, ensuring fast and efficient results.

Q:Does the device support automatic tap changer measurement?

Yes, for transformers with tap changers, it automatically determines the position and ratio of the current tap changer after rated parameters are set.

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:How is data saved and transferred?

Data can be uploaded and saved via Excel files through a PC connection, or saved directly to a USB disk using the second USB port.