GF302D1 Energy Meter Calibration Device – Single-Phase Electronic Energy Meter Testing

The GF302D1 is a high-precision portable three-phase energy meter calibration device, designed to provide reliable power supply and testing for single-phase electronic energy meters. Its integrated standard voltage and current sources deliver stable, traceable reference signals, enabling engineers to accurately verify energy meters' performance and detect measurement errors.

Key Features for Single-Phase Electronic Meters:

1. Stable Voltage and Current Supply: Provides precise and consistent single-phase output, ensuring accurate calibration of electronic meters under real operating conditions.

2. High-Precision Measurement: 0.02 class accuracy guarantees trustworthy readings for meter verification, including energy, voltage, current, power factor, and phase angle measurements.

3. Automatic and Manual Test Modes: Engineers can choose fully automated sequences or manually adjust parameters for customized tests on different meter types.

4. Harmonic Simulation: Supports 2nd to 63rd order voltage and current harmonics, allowing evaluation of meter performance under distorted electrical conditions.

5. Data Logging and Reporting: Built-in memory and USB/PC connectivity allow easy recording of test results and generation of professional reports.

6. User-Friendly Interface: Large touchscreen combined with function keys simplifies setup, monitoring, and operation, even for field inspections.

Applications:

GF302D1 is ideal for utility companies, calibration labs, and industrial sites requiring precise testing of single-phase electronic energy meters. It ensures that meters operate accurately, safely, and reliably under real-world electrical conditions.

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  

GF302D1 Energy Meter Tester – Single-Phase Reference Voltage and Current Output

 The GF302D1 is a high-precision, portable three-phase energy meter tester capable of generating single-phase reference voltage and current, providing stable and traceable signals for accurate meter calibration and verification. Equipped with an integrated electronic reference source, it achieves Class 0.02 measurement accuracy, allowing engineers to perform precise calibration, error analysis, and performance assessment for a wide range of energy meters.

Key Features:

1. Stable Reference Output: Provides consistent and accurate single-phase voltage and current signals for reliable meter testing and calibration.

2. Versatile Load Support: Compatible with multiple load scenarios and wiring configurations (1P2W, 1P3W, 3P3W, 3P4W), making it ideal for both lab and field environments.

3. High Accuracy and Reliability: Class 0.02 precision ensures repeatable and trustworthy measurements under various operating conditions.

4. Harmonic Simulation: Capable of generating voltage and current harmonics to evaluate meter performance under non-ideal or distorted electrical conditions.

5. Intuitive User Interface: Large touchscreen display and dedicated function keys allow engineers to quickly set parameters, observe waveforms, and log test data efficiently.

With its ability to supply single-phase reference voltage and current, the GF302D1 is a reliable and professional solution for energy meter calibration, testing, and verification, offering portability, accuracy, and full-featured performance. It is well-suited for utility companies, calibration laboratories, and industrial testing teams.

TEST-901D SUBSTATION CT TEST AND PRIMARY CURRENT INJECTION DEVICE

 TEST-901D is a professional, all-in-one test instrument specially developed for substation commissioning and maintenance. It integrates high-precision CT ratio detection, polarity verification, and 1000A primary current injection functions to meet on-site testing requirements of current transformers, circuit breakers and protective relays. With a 7-inch touchscreen, built-in thermal printer, USB data output and full protection mechanisms, it ensures stable, efficient and safe operation. Its compact structure and light weight make it an ideal solution for field electrical testing.

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

GF106T6 Field-Use CT Tester with Data Storage & Printing

 Designed for tough on-site working conditions, the GF106T6 brings strong, stable CT testing to field and outdoor environments. It supports full testing of measurement, protection, and TYP-class current transformers, with 6-unit simultaneous testing to speed up daily inspection work.

Equipped with 10,000 groups of data storage, built-in thermal printer, and USB data export, it allows on-site data recording, report printing, and later file arrangement. The 7-inch touch LCD offers clear display and simple operation, while high accuracy and full standard compliance ensure test results are reliable and traceable.

This portable, all-in-one field tester is ideal for substation maintenance, power grid inspection, and on‑site equipment verification.

P8S High Sensitivity Current Probe for Low Current Leakage Detection

 This high-sensitivity probe excels at picking up faint leakage currents. It delivers steady signals and precise readings for electrical safety checks. The compact clamp allows easy live-line testing, fully meeting CAT III 600V safety requirements for field use.

Bullet Points

High sensitivity for accurate micro leakage current detection

Stable signal output for dependable test data

Easy non-invasive testing without wire disconnection

Compact structure, portable for various work scenarios

Strict safety certification for reliable field operation

GFUVE P8S Sensitive Leakage Current Probe, Detectable as Low as 1mA

The GFUVE P8S is a highly sensitive current probe engineered for micro leakage current testing, capable of capturing currents starting from just 1mA.

Fitted with high-grade permalloy core, it maintains 0.1% measurement precision, paired with broad frequency response and minimal phase shift to deliver consistent and trustworthy test data.

Featuring an 8mm compact clamp opening, it allows fast non-contact measurement on site. With CE and UL certifications, as well as compliance with CAT III 600V safety regulations, this probe is well-suited for equipment safety inspections, power system monitoring and on-site leakage current checks.