The GF106T6 is a fully automated professional system developed for high-efficiency current transformer testing. It enables simultaneous testing of up to six CT units, allowing one-touch automatic completion of ratio, polarity, error characteristic, excitation curve, demagnetization and winding resistance measurements. The system automatically calculates knee-point voltage, error curves and key accuracy indicators, drastically cutting manual workload and boosting overall testing productivity.Integrated with a 7-inch touch display, large-capacity data storage, USB data export and on-site printing functions, this all-in-one CT tester delivers a complete and user-friendly solution for substation commissioning, factory incoming inspection, laboratory calibration and on-site power maintenance work.
GFUVE ELECTRONICS BLOG
As electrical measurement and test instruments manufacturer, hope to share some technical articles with our experience and knowledge.Welcome your comments and ideas or send email through support@gfuve.com
Friday, May 15, 2026
Wednesday, May 13, 2026
1000A AC/DC Digital Clamp Meter – GFUVE
This high-performance GFUVE clamp meter safely handles measurements up to 1000A AC/DC current and 1000V voltage. Built with True RMS technology, it ensures precise and reliable measurement results.
It is capable of inrush current capture, non-contact NCV detection, temperature measurement, and features low-pass filtering specially designed for inverter system testing.
Boasting a compact and lightweight body, the instrument complies with strict CAT III safety standards. It is perfectly suited for industrial maintenance, power inspection work and on-site electrical fault diagnosis.
T-3630 High Voltage Insulation Resistance Testing Meter
The T-3630 high voltage digital insulation resistance tester is a professional multifunctional instrument tailored for insulation measurement on transformers, motors, power cables and other electrical assets. It adopts advanced integrated circuit technology, with adjustable test voltage ranging from 250V to 15kV, and an ultra-wide measuring range from 0.01MΩ up to 50TΩ with excellent resolution.
The unit combines DC/AC voltage detection, DC current measurement and capacitance testing, alongside DAR and PI analysis functions to fulfill all-round testing requirements. Designed with IP65 protection, it offers outstanding shockproof, dustproof and moisture-proof performance. It is equipped with a large backlit LCD, 500-set data storage, USB communication and supporting PC software, as well as a rechargeable battery system.
Suitable for power utilities, industrial maintenance, oilfield operations, telecommunications and electromechanical industries, the T-3630 provides stable output, high measurement accuracy and simple operation, ideal for both field high-voltage inspection and laboratory insulation testing.
For more information about our products, please visit our official website: https://www.gfuvegroup.com/electrical-test-tool/hv-insulation-resistance-tester.html
TEST-901D Primary Current Injection Test Device with High Output
The TEST-901D is a high-performance all-in-one testing unit, capable of delivering a maximum output current of 1000A. It is professionally developed for primary current injection testing in power system applications.
This instrument supports accurate current measurement, CT ratio and polarity checking, circuit breaker time testing, as well as relay performance verification. It is fitted with a 7-inch color touchscreen, an integrated thermal printer, high-stability output circuitry and comprehensive protection functions.
With a compact footprint, lightweight design and user-friendly operation, the TEST-901D serves as an ideal testing solution for substation commissioning, daily equipment maintenance and factory acceptance tests.
For more information about our products, please visit our official website: https://www.gfuvegroup.com/primary-injection-test-equipment/1000A-primary-current-injection-test-equipment.html
GFUVE Handheld Phase Angle & Voltage Meter – 3.5 Inch Color Screen
Equipped with a high-brightness 3.5-inch color LCD screen, this GFUVE digital phase angle voltmeter presents sharp and legible measurement data, perfectly visible even in dim outdoor working conditions. It integrates the functions of a voltmeter, ammeter, phase angle meter and power parameter tester into a compact handheld device, enabling 0–360.0° full-range phase measurement among dual voltage, dual current, and voltage-current signals.
It adopts two clamp sensors to realize non-contact current sampling, allowing safe live-line inspection without cutting off any wiring. Built with high-precision circuitry, it achieves an accuracy of 0.5% for voltage, current, phase angle, frequency, active/reactive power and power factor. The large display intuitively shows vector diagrams, real-time measured values and analysis results, while built-in memory for 500 data groups facilitates on-site record keeping and subsequent data review.
Featuring a lightweight portable body, rechargeable battery supply and IEC safety certification, this all-in-one measuring instrument is an optimal choice for substation maintenance, power engineering projects, industrial electrical checks and field fault diagnosis.
Tuesday, May 12, 2026
GF106T6 0.02% High Accuracy Current Transformer Analyzer
The GF106T6 is a high-accuracy multi-ratio current transformer analyzer developed for professional CT testing. Boasting a precision level as high as 0.02%, it provides stable and highly repeatable test results for CT transformation ratio, polarity, ratio & phase error, excitation properties, knee point voltage, and secondary winding resistance.
The device supports simultaneous testing of up to 6 CT units. Equipped with a 7-inch touch LCD screen, automatic error computation, onboard data storage and integrated printing function, it balances outstanding precision with simple operation. Fully compliant with IEC, IEEE and GB international standards, this professional CT testing instrument is perfectly suited for laboratory calibration, factory routine inspection and substation commissioning projects.
GF106T Portable CT/PT Analyzer for Substation Commissioning
The GF106T is a portable, all-in-one CT and PT analyzer engineered for substation commissioning, on-site verification and acceptance testing of current and voltage transformers. It integrates comprehensive test capabilities, including excitation characteristics, transformation ratio, polarity, error curves, secondary load and winding resistance, allowing engineers to perform full-range CT/PT testing efficiently in the field.
Featuring a 7-inch touchscreen display, an integrated thermal printer, USB data export and storage for up to 3,000 test records, the unit enables quick report generation and reliable data archiving. Its compact portable design, wide measurement range, high accuracy of 0.2%, and compliance with IEC and GB standards make it a dependable and indispensable instrument for substation commissioning, power system maintenance and field engineering projects.