GROUP GFUVE

GFUVE LC-100KV
Portable Transformer Oil Dielectric Strength Tester
The GFUVE LC-100KV is a fully automatic, portable, and high-precision insulating oil breakdown voltage tester designed for mineral, ester, and silicon-based insulating liquids. Engineered for both laboratory accuracy and on-site durability, it delivers consistent and repeatable results under rigorous working conditions. Built on a digital microcomputer control system, the LC-100KV combines high measurement accuracy, strong anti-interference capability, and comprehensive safety protection—making it a reliable choice for power utilities, heavy industry, and mining operations worldwide.
Key Features
•0–100 kV stable output, maximum 100 KV
•±1% voltage resolution and accuracy, voltage rise time accuracy: 2%
•7-inch touch colour display for intuitive operation
•Transparent shielded lid for real-time visual observation
•Ultra-fast HV cut-off (<10 μs) for instant protection
•Over current, over voltage and short-circuit protection
•USB & RS232 communication ports
•Built-in 58 mm thermal printer for on-site reports
•Programmable test sequences
•Compliance with GB/T507-2002, DL429.9, IEC60156, ASTM D1816
•Wide operating temperature: -10 °C to 50 °C

Market Performance & South African Mining Application
In South Africa’s mining industry, where operations face extreme heat, dust, humidity, and unstable power grids, the reliability of electrical infrastructure directly determines production efficiency and safety. Transformers are critical assets in mining power distribution, and the quality of insulating oil is essential to prevent breakdowns, fires, and costly unplanned shutdowns.
In this challenging environment, the GFUVE LC-100KV has gained wide recognition and positive feedback from South African gold, platinum, and coal mines. Local maintenance teams report that the LC-100KV performs exceptionally well in remote, dusty, and high-temperature mine sites, where many conventional testers suffer from inaccurate readings, slow response, or frequent failures.
Customer feedback consistently highlights:
•Outstanding stability under harsh complex working conditions
•Rugged build that resists vibration, dust and humidity for long-term on-site operation
•Easy operation for field technicians, reducing training time and operational costs
•Lab-grade accuracy for efficient on-site predictive maintenance
•Fast testing and integrated printing function, perfectly matching diverse shift-based operational workflows
Widely adopted as a standard insulating oil testing device by global power enterprises and industrial manufacturers, the LC-100KV empowers technical teams to efficiently detect insulating oil aging and insulation performance degradation at an early stage, effectively extending transformer service life and reducing overall operational and maintenance risks. Fully compliant with multiple international and industry authoritative standards, the tester delivers traceable, standardized and auditable test data, fully meeting daily quality control, routine detection and official regulatory inspection requirements for various industries.

Core Benefits
•Ensure transformer reliability and prevent sudden failures
•Minimize downtime through fast and accurate on-site testing
•Withstand harsh environments in mining, remote industry, and outdoor utilities
•Improve safety with comprehensive protection and fast fault response
•Simplify workflows with automatic operation and built-in reporting
•Meet global standards for consistent, recognized test results
Applications
•Power plants & renewable energy stations
•Transformer manufacturers & electrical equipment factories
•Universities, research institutes & ISO17025 laboratories
•Insulating oil production and blending plants
•Electrical testing & calibration centers
•Power utilities, grid companies & electricity bureaus
•Railway electrical departments
•Mining industry (South Africa & Africa)
•Industrial and mining enterprise electrical maintenance
•
The GFUVE LC-100KV Portable Transformer Oil Dielectric Strength Tester represents a new standard in insulating oil testing—combining advanced technology, rugged reliability, and proven performance in the world’s toughest industrial environments. Trusted by mining operators in South Africa and recognized by clients globally, it delivers the precision, stability, and safety required for modern electrical asset management.

GFUVE OFFICIAL Website: www.gfuvegroup.com

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2 months ago | [YT] | 0

GROUP GFUVE

GFUVE Enhances Power Quality Monitoring with Advanced Split Core Current Transformer

BEIJING, China – BEIJING GFUVE ELECTRONICS CO., LTD., a leading manufacturer of electrical measurement devices, has successfully deployed its LZCK-80 Split Core Current Transformer to support industrial power monitoring applications across Southeast Asia. This deployment underscores GFUVE's commitment to delivering cost‑effective, high‑performance solutions for retrofitting and energy management systems.

The LZCK-80 is a split core current transformer designed for easy installation without interrupting existing power lines. Its hinged construction allows rapid attachment around busbars or insulated cables, making it ideal for retrofitting legacy panels and portable monitoring equipment. The transformer provides accurate current sensing over a wide dynamic range, supporting both metering and protection functions.

Key features include a compact housing that fits space‑constrained cabinets, high immunity to external interference, and stable performance under varying load conditions. The LZCK-80 interfaces seamlessly with power analyzers, data loggers, and energy management software via standard analog outputs, enabling real-time current monitoring, demand analysis, and fault detection.

"We selected GFUVE's split core transformer for its ease of use and measurement stability in our retrofit projects," said a technical manager from a regional system integrator. "The LZCK-80 significantly reduces installation downtime while delivering reliable data for our energy efficiency programs."

About BEIJING GFUVE ELECTRONICS CO., LTD.
GFUVE specializes in the design and manufacture of high‑quality power meters, current transformers, and electrical measurement instruments. The company is recognized for offering exceptional functionality, accuracy, and value across its product portfolio.

Media Contact:
GFUVE GROUP
Tel: +0086 10 85782698
Email：sales@gfuve.com

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2 months ago | [YT] | 1

GROUP GFUVE

GFUVE Enhances Power Quality Monitoring with Advanced Split Core Current Transformer

BEIJING, China – BEIJING GFUVE ELECTRONICS CO., LTD., a leading manufacturer of electrical measurement devices, has successfully deployed its LZCK-80 Split Core Current Transformer to support industrial power monitoring applications across Southeast Asia. This deployment underscores GFUVE's commitment to delivering cost‑effective, high‑performance solutions for retrofitting and energy management systems.

The LZCK-80 is a split core current transformer designed for easy installation without interrupting existing power lines. Its hinged construction allows rapid attachment around busbars or insulated cables, making it ideal for retrofitting legacy panels and portable monitoring equipment. The transformer provides accurate current sensing over a wide dynamic range, supporting both metering and protection functions.

Key features include a compact housing that fits space‑constrained cabinets, high immunity to external interference, and stable performance under varying load conditions. The LZCK-80 interfaces seamlessly with power analyzers, data loggers, and energy management software via standard analog outputs, enabling real-time current monitoring, demand analysis, and fault detection.

"We selected GFUVE's split core transformer for its ease of use and measurement stability in our retrofit projects," said a technical manager from a regional system integrator. "The LZCK-80 significantly reduces installation downtime while delivering reliable data for our energy efficiency programs."

About BEIJING GFUVE ELECTRONICS CO., LTD.
GFUVE specializes in the design and manufacture of high‑quality power meters, current transformers, and electrical measurement instruments. The company is recognized for offering exceptional functionality, accuracy, and value across its product portfolio.

Media Contact:
GFUVE GROUP
Tel: +0086 10 85782698
Email：sales@gfuve.com

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2 months ago | [YT] | 0

GROUP GFUVE

IEEE PES T&D 2026 | We're here in Chicago!
The IEEE PES T&D Conference & Exposition 2026 is officially underway in Chicago, USA, from May 5–7 — and our team is right here!
Come meet us at Booth 1953 to experience our latest innovations in power system testing up close, including the GF106T6 multi-ratio CT analyzer and our full line of high-precision electrical test solutions. It's the perfect chance to connect with our experts, discuss your project needs, and see how our technology can elevate your field and laboratory testing workflows.
We're here and ready to meet with you — see you at the show!#IEEE PES #TD 2026 #Power Systems #Electrical Testing #CT Analyzer #Trasformeter Test Equipment #Circuit Breaker test equipment

3 months ago | [YT] | 0

GROUP GFUVE

Lithuanian Customer Commends GF1061 for Accuracy, Ease of Use, and Reliability — An Indispensable Tool for CT/PT Testing

Recently, Our independently developed CT PT analyzer --- GF1061 received high praise and positive feedback from our customer(Country: Republic of Lithuania) after being deployed in their project. Thanks to its precise measurement capabilities, user-friendly operation, and exceptional stability, GF1061 successfully helped them improve the efficiency and intelligence of their CT PT testing, becoming an indispensable and reliable tool in their daily work.

The technical personnel stated: "This CT PT analyzer has performed exceptionally well in practical applications. Not only are the measurement data accurate and reliable, but the intuitive user interface and simplified procedures have significantly reduced training time and on-site testing cycles. Its portability and stability are also very suitable for complex field environments, providing strong support for the safe and stable operation of the power system."
They specifically mentioned that the instrument performed excellently in several key indicator tests—such as transformation ratio, polarity, excitation characteristics, winding resistance, and load testing—with good data repeatability and fast report generation, significantly improving the standardization and informatization level of their work.

In power systems, the reliability of CTs and PTs directly impacts the accuracy of protection, metering, and control. Our CT/PT analyzer effectively addresses these pain points through highly integrated and automated design, helping customers achieve:
Rapid diagnosis and preventive maintenance: Timely detection of potential equipment defects to prevent fault escalation.
Reduced operating and maintenance costs: Decreased testing time, labor input, and equipment requirements.
Decision support: Providing a basis for equipment status assessment and replacement decisions through data accumulation and analysis.

This positive customer feedback is a strong affirmation of our development and solution capabilities. We will continue to focus on the operation and maintenance needs of the power industry, deepen technological innovation and product iteration, and provide customers with smarter and more efficient testing equipment and services.

About GFUVE
Our company is dedicated to the research, development, and manufacturing of power testing and maintenance technology products. With "precision, reliability, and intelligence" as our product philosophy, we help the global power industry achieve safer and more economical operational management.

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4 months ago | [YT] | 1

GROUP GFUVE

TEST-902 2000A primary current injection test set on-site of Morocco client

The GFUVE model TEST-902 is a 2000A primary current injection tester. It adopts ARM chip to control the output process and large capacity of toroidal transformer. It is equipped with LCD screen display current meter, also showed primary current value, secondary current value, turn ratio and the action time. Aluminum alloy body with PC panel component the shell. TEST-902 primary current injection tester is mainly applied to test CT turn ratio and polarity in the power system, the contact resistance, protection relay, low voltage & high voltage circuit breaker protection test and high voltage generator test etc, which need large current on-site or in the lab.

The Moroccan market mainly uses equipment from France, and this customer rarely uses products from other brands. After carefully evaluating the TEST-902 model, and determining that it has advantages in both price and functionality, the client boldly tried this product. After receiving the goods, they actively put TEST-902 into on-site use and was very satisfied with the quality and performance. The client has great confidence in our products and have established distributor cooperation to promote GFUVE products in the Moroccan market.


Key Features of TEST-902:
1.Portable designed
2.Quick and easy to use
3.With CT ratio test function
4.With 6m large current cable
5.Max current output up to 2200A
6.Built-in digital timer resolution 1 ms
7.Built-in digital ammeter 0.5% accuracy
8.Permanent current up to 2000 A, 12KVA
9.Made up of two units, control and power unit
10.Thermal, short-circuit and overload protection

#Primary Injection Test Equipment,#primary injection tester,#current injection tester,#primary current injector

5 months ago | [YT] | 1

GROUP GFUVE

STAR ELECTRIC TECHNOLOGY Enhances Grid Monitoring with GFUVE's Advanced Wireless High-Voltage Power Load Recorder

Ludica Florentina – STAR ELECTRIC TECHNOLOGY SRL, a leading provider of electrical technology and solutions, has announced the successful integration of the GFUVE GF2018 High Voltage Power Load Recorder with Wireless Current Sensor into its advanced grid monitoring systems. This integration aims to deliver more stable, accurate, and weather-resilient current data acquisition for distribution networks, marking a significant step forward in the company's mission to advance grid digitization and intelligent management.
The GF2018 Power Load Recorder is the newest version of the wireless high-voltage primary current sensor recorder. The product features a rational design and adopts 433M wireless transmission technology for data transfer, ensuring unprecedented stability and accuracy in current data recording. Its primary current sensor utilizes PC and ABS materials combined with new waterproof technology, enabling continuous online operation even in extreme weather conditions, thereby guaranteeing the continuity and reliability of monitoring tasks.
The recorder employs the same sensing technology as the original Rogowski coil. Its True RMS inductive sensor does not use magnetic materials. The sensor's opening is electronically closed, and external currents are electronically rejected, achieving high-precision, anti-interference current measurement. The device can be easily configured via companion software for real-time data viewing and analysis.
"We are impressed with the robust performance and innovative design of the GF2018 in our field applications," said a spokesperson for STAR ELECTRIC TECHNOLOGY SRL. "Its wireless capability, coupled with exceptional accuracy and resilience in harsh environments, provides us with a reliable and valuable tool for optimizing our grid monitoring and analysis."
About STAR ELECTRIC TEHNOLOGY SRL
STAR ELECTRIC TECHNOLOGY SRL is a Romanian company dedicated to providing innovative and reliable electrical technology solutions. The company focuses on integrating cutting-edge equipment to improve grid efficiency, stability, and data-driven decision-making for its clients.
About GFUVE
GFUVE is a manufacturer of a wide range of high-quality power meters and electrical measurement devices, known for offering unparalleled functionality and value across its product lines.
Corporate website: www.gfuvegroup.com/

5 months ago | [YT] | 1

GROUP GFUVE

GFUVE GF438II Three-Phase Power Quality Analyzer Achieves Strong Overseas Sales, Empowering Power Upgrade in Multiple Countries

Recently, GFUVE, a leading domestic power testing equipment manufacturer, announced that its flagship product — the GF438II Handheld Three-Phase Power Quality Analyzer — has achieved a significant surge in sales in four major overseas markets: Vietnam, the Republic of the Congo, New Caledonia, and Nigeria, thanks to its accurate testing performance, strong scenario adaptability, and compliant safety design. Among them, the bulk purchases and in-depth cooperation with local core enterprises such as CTY in Vietnam, AFRIKA in the Republic of the Congo, and Vergnet Pacific in New Caledonia not only demonstrate the global market recognition of the product, but also mark the continuous expansion of GFUVE's influence in the international mid-to-high-end power testing field.

As a core product of GFUVE in the power operation and maintenance field, the GF438II Handheld Three-Phase Power Quality Analyzer focuses on three core needs of power systems: fault diagnosis, risk prediction, and energy efficiency optimization. Equipped with a full-parameter detection module, high-precision sensing technology, and a portable design, it can adapt to different national power grid standards and complex operation and maintenance scenarios. It can not only meet strict industrial-level testing requirements, but also adapt to civil power operation and maintenance needs, becoming an important carrier connecting Chinese intelligent manufacturing with global power upgrading.

In the Vietnamese market, with the rapid rise of the local new energy industry and the full advancement of urban power grid renovation projects, power quality issues such as harmonic pollution and voltage fluctuations in the power system have become increasingly prominent. GFUVE has established in-depth cooperation with CTY, a well-known local power service provider, and applied the GF438II to grid-connected testing of photovoltaic power stations in southern Vietnam and power grid upgrading projects in Ho Chi Minh City and Hanoi. The core functions of the equipment, such as harmonic monitoring and power loss quantification, can accurately capture power quality abnormalities during photovoltaic grid connection, helping CTY efficiently complete fault location and operation and maintenance optimization, greatly improving power grid operation and maintenance efficiency, reducing power loss and operating costs, and gaining high recognition from CTY and local power departments.

The Republic of the Congo is rich in mineral resources, and core industries such as cobalt and copper mining are highly dependent on stable power supply. However, the local power grid infrastructure is weak and voltage fluctuations are frequent, which seriously affects production efficiency. With advantages such as transient waveform capture, 600V CAT IV high voltage tolerance, and 63rd harmonic measurement, the GF438II empowers AFRIKA, a well-known local mining energy enterprise, to provide comprehensive power quality monitoring services for its mining area power supply system. It can quickly troubleshoot power supply faults caused by switch operations, motor startup, etc., effectively reducing the number of equipment shutdowns, ensuring continuous and stable mining production, and helping AFRIKA improve production efficiency and energy utilization efficiency.

As a South Pacific island country, New Caledonia takes nickel mining industry and renewable energy such as hydropower and solar energy as its economic pillars, and has particularly strict requirements on the stability of power quality and the refinement of operation and maintenance. The GF438II has successfully partnered with Vergnet Pacific, a local renewable energy company, to provide customized testing solutions for its core needs such as high-energy-consuming equipment monitoring in nickel smelters and operation and maintenance of small hydropower projects in remote areas. The equipment's long-term data storage, GPS positioning, and data analysis functions can help Vergnet Pacific remotely grasp the power grid operation status, optimize operation and maintenance strategies, effectively reduce energy loss, and provide reliable power guarantee for local mining production and civil electricity use.

GFUVE stated that the strong sales of the GF438II in the four major overseas markets are mainly due to the product's consistent customer demand-oriented approach, accurate matching of the pain points of power industry upgrading in various countries, and both technical strength and local adaptation capabilities. In the future, GFUVE will continue to deepen its presence in the global market, optimize product functions and services based on customer feedback from various regions, launch more localized power testing solutions, and contribute Chinese intelligent manufacturing to the efficient, safe, and green operation of the global power system, further expanding its international market layout.
#Three-Phase Power Quality Analyzer

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5 months ago | [YT] | 1

GROUP GFUVE

L&C Successfully Supplies GF313V2 Meter Test Equipment to a Local Power Utility in Peru
Recently, L&C, the authorized distributor of GFUVE in Peru, successfully supplied two units of GF313V2 portable energy meter test equipment to a local power utility company. The devices have been put into operation smoothly, and the customer has expressed a high level of satisfaction with their performance.
The power utility is responsible for the operation, maintenance, and verification of electricity metering systems, and therefore places strict requirements on accuracy, reliability, and on-site usability of meter testing equipment. The GF313V2, designed for on-site energy meter testing and calibration, has demonstrated stable and accurate performance in real working conditions.
During actual use, the customer highlighted several advantages of the GF313V2:
High measurement accuracy and reliable test results
Stable performance suitable for field meter verification
Portable and compact design, convenient for on-site operation
User-friendly interface, improving testing efficiency
Both the end user and the local distributor L&C confirmed that the GF313V2 fully met their expectations and effectively supported daily meter verification tasks. The customer stated that they are very satisfied with the overall performance and reliability of the equipment.
This successful delivery further strengthens the cooperation between GFUVE and L&C in the Peruvian market and demonstrates the applicability of GFUVE energy meter test solutions in real utility applications. GFUVE will continue to provide high-quality products and professional technical support to customers worldwide.
#Energy Meter Test Equipment，#Onsite Portable Three Phase Electronic Meter Test Set

6 months ago | [YT] | 1

GROUP GFUVE

GF302C panel meter calibrator gets good feedback from Turkey client.

This client has been working with us for many years. They purchased their first set of GF302C seven years ago and have been working properly ever since. During the cooperation period, they successively purchased a second set of GF302C, contact resistance tester, resistance meter and other products, and were very satisfied with GFUVE's products and services. In addition to purchasing and using our products themselves, they also introduced their friends, partner companies, and customers to us, maintaining a good cooperative relationship with us.

This model GF302C panel meter calibrator can calibrate different type of meters, such as digital panel meter, pointer panel meter and mechanical panel meter.
It can check all kinds of electric measurement of instrument including: AC/DC voltmeter & ammeter, frequency meter, phase angle meter, single/three-phase AC active & reactive power meter, synchronous meter, etc;

The core technology of this calibrator is with digital signal processor (DSP) and 16 high-speed digital converter, which is composed of high precision wideband power amplifier; The signal source use the DSP and 16 high-speed A/D converters, which can control the sine wave, distortion wave signal source; this model GF302C power meter test equipment has high precision, stable and reliable, and easy to operate flexible, and other characteristics; it is used for electrical measurement in electric power system, is the ideal calibration equipment.

Key Features of GF302C:
1.Built-in electric measurement of verification procedure indicating meter, automatic or semi-automatic for verification, saving 1000 groups data;
2.6.4 inch big screen color display;
3.Power factor setting from -1 to 0 to 1;
4.Programmable and save test scheme;
5.Portable designed, Operation simply, convenient;
6.Wide range from 0 to 1000V and 0 to 24A AC/DC;
7.High precision linear power amplifier technology;
8.With USB port and PC connection for data management.
9.It is calibrated in the software and don’t need to open the case, stable and reliable;
10.Voltage short circuit, current open and power amplifier overheating protection function;
11.Automatically failure detection function, shows fault part, convenience for users to check line;
12.It can as a voltage source, a current source and power source for high precision and high stability standard resource;

8 months ago | [YT] | 1