T-3630 High Accuracy DC Voltage Measurement Unit

The T-3630 delivers stable and precise DC voltage measurement for electrical maintenance and high-voltage equipment inspection. As a multifunctional high-voltage insulation resistance tester, it supports 0–1000V DC voltage measurement with 0.1V high resolution and 3% accuracy, providing reliable test data for power systems, transformers, cables, motors and industrial electrical devices.

Equipped with a large gray backlight LCD screen, USB data communication, 500 sets of data storage and IP65 rugged enclosure, the T-3630 ensures safe, efficient and user-friendly DC voltage testing in both field and laboratory environments.

For more product details, please visit our official website: https://www.gfuvegroup.com/electrical-test-tool/hv-insulation-resistance-tester.html

TEST-901D Full Version High Precision CT Ratio Polarity Tester

The TEST-901D Full Version is a professional 1000A primary current injection test set, specially designed for CT ratio test, polarity check and primary current injection test. It is equipped with a 7-inch color touch LCD, high-precision measurement module, built-in thermal printer and full-range protection functions. Featuring compact structure, light weight and stable performance, it is widely used for current transformer, protective relay and circuit breaker testing in substation commissioning and maintenance.

For more product details, please visit our official website: https://www.gfuvegroup.com/primary-injection-test-equipment/1000A-primary-current-injection-test-equipment.html

GF211D 20A/600V High Precision On-site Phase Angle Meter

GF211D is a lightweight and portable handheld phase angle meter, specially developed for quick and safe field measurement tasks.It adopts non-contact dual-clamp current sensing and dual-channel voltage measurement, capable of precisely detecting phase angle, voltage, current, frequency and related power parameters.

Equipped with a 3.5-inch color screen and featuring 0.5% high measurement accuracy, the device runs on built-in battery with easy portability.It is widely applicable for substation commissioning, industrial equipment maintenance and various on-site electrical inspection work.

High Accuracy 3-Phase Secondary Current Injection Tester TEST-330B

The TEST-330B three-phase secondary current injection test set is an ideal high-end instrument designed for precision testing that requires accuracy up to 0.1% or higher. It is widely applicable not only for testing all types of protection relays and related equipment, but also acts as a versatile universal calibrator.

This intelligent secondary injection unit supports adjustable AC and DC current and voltage output, and can produce harmonics from the 2nd to the 21st order. It features a maximum output current of 90A and a maximum output voltage of 300V. Matched professional PC control software is available to realize remote control and automatic testing operations easily.

With outstanding testing accuracy and reliable stable performance, the TEST-330B is well suited for R&D, production verification and type testing of protection and metering device manufacturers. It is also an excellent choice for daily testing, debugging and commissioning work in power utilities and power grid companies.

GF106T6 Tester Accessory Introduction

The GF106T6 is equipped with a full range of specially configured accessories, enabling stable and user-friendly CT testing for both field on-site and laboratory applications.

Its standard configuration consists of premium primary and secondary test leads, sturdy connecting clamps, a dedicated grounding cable, a power supply line, and a rugged carrying case for convenient transportation and equipment protection.

These well-matched accessories guarantee firm connection wiring, minimal signal interference, and precise data transmission during CT ratio, polarity, excitation characteristic, DC resistance and error measurement tests.

Combined with the integrated thermal printer and USB data export capability, the complete accessory package supports efficient on-site work, real-time data recording and automatic report generation. It is perfectly suited for substation commissioning, factory quality inspection and daily routine maintenance tasks.

GF106T6 High Precision Multi-Ratio CT Analyzer

The GF106T6 multi-ratio CT analyzer is designed for field and laboratory testing of measurement-class, protection-class, and TYP-class current transformers. It supports automatic simultaneous testing of up to 6 CTs, covering excitation characteristics, transformation ratio, polarity, degaussing, ratio & phase error, 5% / 10% error curves, secondary winding resistance, and secondary burden.

Equipped with a 7-inch TFT touch color display, it offers primary current injection up to 100A or 1000A, a built-in mini thermal printer, and USB data export functionality. Compliant with IEEE C57.13, IEC60044, IEC61869, and GB/T20840-1/2 standards, the GF106T6 provides a comprehensive and user-friendly test solution for metering and protection CTs.

For more product details, please visit our official website:https://www.gfuvegroup.com/ct-pt-analyzer/multi-ratio-ct-analyzer.html

GF106T6 Current Transformer Ratio, Polarity, Error, Excitation and DC Resistance Test

The GF106T6 is a professional multi-ratio CT analyzer engineered for accurate testing of measurement, protection, and TYP-class CTs in both field and lab environments.

It supports simultaneous testing of up to 6 units, with full test coverage including ratio, polarity, ratio & phase error, excitation characteristics, knee point voltage, 5%/10% error curves, secondary DC resistance, and burden tests.

Designed for efficiency and reliability, it features a 7-inch touch TFT color LCD, 0.02% high precision, USB data export, built-in thermal printer, and 10,000 sets of data storage. Compliant with IEC60044, IEC61869, IEEE C57.13, and GB standards, it is widely used by power utilities, substations, CT/PT factories, and electrical labs worldwide.