Can it automatically analyze tap changers?

Yes, after setting rated parameters, it automatically determines the tap changer position and current ratio.

What is the power source for this tester?

It is powered by a 10AH lithium battery.

What are the payment terms?

The accepted terms of payment are LC (Letter of Credit) and T/T (Telegraphic Transfer).

HVHIPOT GDB-IV Three-phase Transformer Turn Ratio Tester

Name: HVHIPOT GDB-IV Three-phase Transformer Turn Ratio Tester
Brand: HV Hipot Electric Co., Ltd.
SKU: 691606731

Hubei, ChinaHV Hipot Electric Co., Ltd.

Negotiable

1 Piece

Product profile

Customization

Available

After-sales Service

YES

Display

Digital

Model NO.

GDB-IV

Usage

Electric Component Tester

Type

Transformer Tester

Environment

Room Temperature

Warranty

With Warranty

Power Source

Lithium battery 10AH

Installation

Direct Connected

Customized

Power input

Lithium battery 10AH

Turns ratio range

1~5000

Group difference range

1~11

Turns ratio accuracy

0.2%, 0.5%, 1%

Turns ratio resolution

0.0001

Angle resolution

0.01°

Accuracy of current measurement

1% FS+2digits

Delivery time

15 working days

Transport Package

Wooden Case

Specification

ISO, SGS

Trademark

HV Hipot

Origin

Wuhan China

Production Capacity

5000 Sets/Year

Key features

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

High Precision Accuracy: Turns ratio accuracy up to 0.1% with 0.0001 resolution.

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

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

Dual USB Connectivity: One USB for PC control and data upload, one for USB disk storage.

Wide Application Scope: Suitable for power systems, manufacturers, and railway electrical systems.

Portable Lithium Power: Powered by a 10AH lithium battery for direct connected installation.

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: ≤3.40h 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 is the testing speed for one group of data?

The testing time for one group of data is 10 seconds.

Q:What types of transformers can this tester measure?

It is suitable for power transformers, phase shifting rectifier transformers, Scott transformers, and Inverse Scott transformers in power systems and railway electrical systems.

Q:Does the device offer protection functions?

Yes, it includes over-current, over-voltage, over-heat, and reverse connection protection functions.

Q:How is data saved or transferred?

It has two USB ports: one for online PC control and data upload to Excel, and another for inserting a USB disk to save data.

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

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