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

208D AC/DC Clamp Meter: Effortless AC Current Measurement for Electrical Professionals

GFUVE 208D 1000A AC/DC Clamp Meter is an industrial-grade digital measuring tool engineered for simple, accurate and efficient AC current measurement, ideal for electricians, maintenance teams and technical professionals across industrial, power grid, oil & gas and communication fields.

Boasting a 35mm jaw opening and intuitive one-hand operation, measuring AC current with the 208D is straightforward: simply switch to the AC current mode, open the clamp jaw, secure it around a single conductor, and the 6000-count large LCD display delivers clear, real-time readings instantly. The meter supports auto-ranging for AC current (60A/600A/1000A) with a 10Hz~1kHz frequency response, and its True RMS technology guarantees precise measurements even in distorted or complex electrical waveforms—eliminating the need for tedious manual calibration or adjustments.

For dynamic electrical scenarios, its inrush current mode captures transient AC current up to 1000A, while an optional flexible current probe extends the AC current measurement range to 3000A, meeting the needs of both routine testing and heavy-duty industrial measurement. Built with user-centric features like data hold, MAX/MIN recording and auto backlight, it ensures easy reading in low-light work environments, and its compact 380g design makes it portable for on-site use.

Certified to CAT III 1000V/CAT IV 600V safety standards and CE/ETL approved, the 208D prioritizes operator safety in high-voltage settings, making it a dependable, all-in-one solution for hassle-free AC current measurement in every electrical task.

#Clamp Meter,#digital clamp meter,#Electrical Test Tool

TEST-902 2000A Primary Current Injection Test Set: On-site Commissioning for Morocco Customer

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

How to Operate & Test 208D Clamp Meter

The 208D is a 1000A AC/DC true RMS auto-ranging digital clamp meter with 6000-count LCD display, designed for safe and accurate electrical measurement. It supports AC/DC current, voltage, resistance, capacitance, frequency, duty cycle and temperature measurement, and features NCV detection, LoZ anti‑ghost voltage, LPF for VFD/INV voltage, inrush current capture, auto backlight, data hold and auto power off. Certified to CAT III 1000V / CAT IV 600V and compliant with EN61010-1, it is widely used in industrial sites, power maintenance, power quality analysis and smart grid scenarios. To test it, select the corresponding function, clamp around a single conductor for current or connect test leads for voltage/resistance, read the stable value, and use relative/hold modes for easy recording; optional flexible probe extends AC current up to 3000A.

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