CT Turns Ratio Analyzer | Voltage Method Testing with GF106T

The GF106T CT Analyzer adopts the voltage method to complete current transformer turns ratio testing, delivering a safer, faster and more convenient on-site measurement solution for CT transformation ratio verification. It features high-accuracy measurement up to 0.2% class, covering common CT ratio ranges including 25000A/5A and 5000A/1A, while realizing automatic CT polarity identification in one test.

Equipped with a 7-inch color touch screen, the device ensures simple operation, stable performance and precise voltage excitation output. Different from traditional high-current testing methods, it eliminates the need for heavy current injection, greatly improving on-site safety and testing efficiency. Widely applicable to substation commissioning, transformer manufacturing workshops and daily power equipment maintenance.

Furthermore, the GF106T is built with practical functions such as local data storage, USB data export and on-site report printing. All test results fully comply with IEC and GB industrial standards, ensuring standardized, traceable and credible test data for daily inspection and official acceptance.

For more information about our products, please visit our official website: https://www.gfuvegroup.com/ct-pt-analyzer/portable-current-transformer-tester-with-pt-testing.html

GF106T Industrial CT Tester for Core Demagnetisation and Magnetization Testing

The GF106T Portable CT PT Analyzer is a high-performance, all-in-one testing solution designed for the comprehensive verification of current transformers (CT) and voltage transformers (PT) in both laboratory and field environments. Engineered to support metering-grade and protection-class transformers, it performs complete excitation characteristic tests, automatic demagnetization, ratio and polarity detection, error analysis, and secondary parameter measurement in a single compact unit.

This advanced analyzer delivers reliable excitation voltage output up to 2500V and primary current injection up to 1000A, enabling full saturation curve plotting, automatic knee-point voltage calculation, and accurate 5% and 10% error curve generation in full compliance with IEC60044, IEEE C57.13, and GB national standards. Its one-key demagnetization function efficiently removes residual magnetism from CT cores, ensuring measurement stability and preventing test interference.

Featuring a large 7-inch TFT color touchscreen, intuitive operation, and powerful data management, the GF106T stores up to 3000 groups of test records, supports on-site printing via its built-in thermal printer, and allows fast data export via USB for further analysis and report generation on a PC. With a test accuracy of Class 0.2%, it also provides precise measurement of transformation ratio, phase error, winding DC resistance, secondary burden, and power frequency withstand voltage.

Built with a rugged, portable structure and optimized for on-site use, the GF106T is widely applied in substations, power plants, transformer manufacturing facilities, electrical calibration labs, and power commissioning projects. It greatly simplifies transformer testing workflows, improves work efficiency, and ensures safe, accurate, and compliant inspection results.

For more details, please visit our official website: https://www.gfuvegroup.com/ct-pt-analyzer/portable-current-transformer-tester-with-pt-testing.html

True RMS 1000A Clamp On Meter 208D

This professional digital clamp meter combines compact design with strong durability, ideal for on-site electrical measurement tasks that demand stability and precision.It supports true-RMS AC/DC current and voltage testing up to 1000A/1000V, and features a 35mm clamp opening for efficient non-contact measurement.

With a large 6000-count LCD display and automatic ranging, it ensures clear readings and straightforward operation even in complex working environments.The meter also includes multiple practical functions: inrush current detection, NCV test, LoZ anti-ghost voltage, LPF for inverter and VFD circuits, as well as high-accuracy temperature measurement.

Compliant with CAT III 1000V / CAT IV 600V safety ratings and certified by CE and ETL, it is a dependable multi-purpose instrument for industrial maintenance, electrical inspection, power quality analysis, and smart grid projects.

#Clamp On Meter,#AC/DC,#clamp meter

Practical Operation of 117C Auto-Range Digital Multimeter

Overview & Core Function

The 117C is a high-precision true-RMS digital multimeter designed for electrical engineering professionals and on-site operation. Its auto-range function is one of its key advantages, supporting both automatic and manual ranging modes to simplify operation and improve testing efficiency.

Measurement Capabilities

With the auto-range feature, the multimeter can automatically identify and adjust the measurement range, enabling accurate testing of multiple electrical parameters:

- AC/DC voltage: Up to 1000V

- AC/DC current: Up to 10A

- Other parameters: Resistance, capacitance, frequency, temperature, continuity, diode and triode tests

Operation Convenience & Safety

Equipped with a 6000-count display, the 117C integrates practical functions including LoZ, LPF, Auto Volt, VFD, NCV detection, backlight and flashlight, ensuring fast and intuitive operation even in complex field environments.

For safe and stable use, it has built-in overload protection, 2-meter drop resistance, and meets CAT III 1000V safety standards, making it suitable for industrial, power, communications and maintenance scenarios.

#1000V RMS DIGITAL MULTIMETER,#high-precision,#Multimeter,#Electrical Engineer

117C Digital Multimeter for Professional Electrical Engineering

Multimeter 117C is a high-precision true-RMS digital multimeter specially developed for electrical and electronics engineering professionals.It provides accurate true-RMS measurement for various electrical parameters, including AC/DC voltage up to 1000 V, AC/DC current up to 10 A, as well as resistance, capacitance, frequency, temperature, continuity, diode and transistor testing.

Equipped with a 6000-count high-resolution display, this multimeter integrates multiple practical functions: LoZ, LPF, Auto Volt, VFD, NCV detection, automatic backlight, flashlight, data hold and MAX/MIN recording.It features 2-meter drop resistance, complete overload protection and meets CAT III 1000 V safety standards, ensuring reliable performance in harsh working environments.

Compact, durable and user-friendly, Multimeter 117C is ideal for on-site measurement, equipment maintenance, electronic design, power quality analysis and a wide range of industrial electrical applications.

#1000V RMS DIGITAL MULTIMETER,#high-precision,#Multimeter,#Electrical Engineer

Lithuanian Customer Commends GF1061 for Accuracy, Usability & Reliability — Ideal 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.

#ct analyzer,#ct pt analyzer,#current transformer testing,#current transformer analyzer

GFUVE 208D 1000A AC/DC Clamp Meter | Integrated Resistance Measurement

 The GFUVE 208D is a professional 6000-count digital clamp meter, engineered for 1000A AC/DC current testing with integrated high-precision resistance measurement capabilities. Its resistance measurement spans 600Ω to 60MΩ, delivering ±(1%+3) accuracy for the 600Ω range and ±(0.8%+3) for 6KΩ–60MΩ ranges, meeting diverse electrical testing needs.

Boasting true RMS measurement, auto/manual range, and a 35mm jaw opening, this meter excels at core current testing, while also offering practical functions like continuity/diode testing, data hold, and MAX/MIN value capture. It features LoZ mode to eliminate ghost voltage, LPF ACV for INV/VFD voltage measurement, and high-resolution temperature testing, with an optional flexible current probe extending AC current measurement up to 3000A.

Compliant with CAT III 1000V/CAT IV 600V safety standards and certified by CE/ETL, the GFUVE 208D is built for industrial safety. Weighing just 380g with a large LCD display, it is portable and easy to operate, making it a reliable all-in-one tool for industrial on-site work, electrical installation, power quality analysis, oil and gas industry, and smart grid applications.

#CLAMP METER，#AC/DC