What is the power supply for this device?

The device is powered by a Lithium Battery 10AH 12V.

Can the tester handle tap changers automatically?

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

What are the environmental operating conditions?

The ambient temperature range is -20 to 40 degrees Celsius, and the ambient humidity should be less than 85% RH.

GDB-IV Power Transformer Turns Ratio Tester TTR Measurement Device

Name: GDB-IV Power Transformer Turns Ratio Tester TTR Measurement Device
Brand: HV Hipot Electric Co., Ltd.
SKU: 883269465

Hubei, ChinaHV Hipot Electric Co., Ltd.

US$2,765.00-4,706.00

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

Resolution of angle

0.01 centigrade

Transport Package

Wooden Case

Specification

ISO9001

Trademark

HV Hipot

Origin

Wuhan, China

HS Code

8501109990

Production Capacity

5000/Year

Key features

High Precision Measurement: Class 0.1 accuracy for turns ratio test within 1-500 range.

Fast Testing Speed: Completes one group data test in just 10 seconds.

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

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

Portable Design: Lightweight at 9kg with lithium battery power supply.

Data Connectivity: Features 2 USB ports for PC control and Excel data saving.

Wide Voltage Adaptation: Outputs 2 voltages to adapt to different voltage grade transformers.

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: ≤3.52h 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 accuracy of the turns ratio test?

The accuracy is Class 0.1 for the 1-500 range, Class 0.2 for 500-2000 High Voltage and 1-100 Low Voltage, and Class 0.5 for 2000-5000 High Voltage and 100-500 Low Voltage.

Q:How long does it take to test one group of data?

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

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:Does the device have protection functions?

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

Q:How is data saved and transferred?

It has 2 USB ports; one allows PC control and measurement, and the other allows inserting a USB disk to save data in EXCEL files.