T-3630 HV Insulation Resistance Tester 0–50TΩ 15kV

 The T-3630 HV Insulation Resistance Tester with an exceptional measurement range of 0–50TΩ and an impressive output voltage of 15kV is the ultimate solution for demanding high-voltage insulation testing applications. This professional megohmmeter delivers unparalleled accuracy and stability across its ultra-wide resistance scale, making it suitable for transformers, power cables, generators, motors, and switchgear. Equipped with advanced features including PI (Polarization Index) and DAR (Dielectric Absorption Ratio) calculations, a large backlight LCD, USB data download, and an IP65 ruggedized design, the T-3630 ensures safe, reliable, and efficient insulation diagnostics for power utilities, industrial maintenance, and electrical engineering projects.

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 CT Ratio and Polarity Testing Instrument

 TEST-901D is a portable 1000A primary current injection test set, specially used for CT ratio measurement, polarity test and primary current injection test of current transformers, protection relays and circuit breakers in substation commissioning. It adopts ARM control, equipped with 7-inch TFT color touch LCD, high-precision measurement and built-in thermal printer, can display primary/secondary current, ratio, polarity and action time in real time, with USB communication and complete over-temperature, short-circuit and overload protection. The instrument is compact, light weight 20kg, easy for on-site operation, widely used in power system commissioning and maintenance.

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

Field & Laboratory CT Tester – GF106T6

 The GF106T6 is a versatile current transformer tester designed for both field maintenance and laboratory calibration scenarios. It supports full‑featured testing of measurement, protection and TYP‑class CTs, with 6‑channel simultaneous testing to improve efficiency. It offers wide measurement range, high precision, automatic demagnetization, and complete excitation and error analysis. The portable and rugged design, combined with a 7‑inch touch screen, data storage, USB export and on‑site printing, makes it suitable for outdoor substation work, factory inspection, and laboratory precision verification.

Error Testing of the GF312V2 Single-Phase Electricity Meter

 The Error Testing of the GF312V2 Single-Phase Electricity Meter provides a reliable and efficient solution for evaluating the accuracy performance of single-phase energy meters in field and laboratory environments. Designed to detect measurement deviations with high precision, it enables technicians to quickly identify calibration errors and verify meter compliance with required standards. The system supports stable and repeatable testing procedures, making it suitable for routine inspection, quality control, and maintenance tasks. Its practical design ensures ease of use, helping improve testing efficiency while maintaining measurement integrity in power metering applications.

GF302D1 Energy Meter Calibration Device – Comprehensive Function Display

The GF302D1 is a portable three-phase energy meter calibration device designed to deliver professional-grade testing and calibration for all types of energy meters. Its comprehensive functions allow engineers to perform accurate measurements and verification in both laboratory and field environments.

Key Features & Functions:

1. Three-Phase & Single-Phase Testing: Supports 1P2W, 1P3W, 3P3W, and 3P4W configurations, providing versatile options for various energy meters.

2. High-Precision Calibration: Integrated electronic reference source ensures 0.02 class accuracy, guaranteeing reliable and repeatable results.

3. Standard Voltage & Current Output: Outputs stable, traceable single-phase and three-phase reference signals for meter verification.

4. Harmonic Analysis & Simulation: Supports 2nd to 63rd-order voltage and current harmonic output, enabling performance evaluation under distorted or non-ideal conditions.

5. Automatic & Manual Testing Modes: Flexible operation allows fully automated test sequences or manual adjustments for customized testing.

6. Data Recording & Report Generation: Built-in storage and USB/PC connectivity enable data logging, real-time monitoring, and automatic generation of professional test reports.

7. User-Friendly Interface: Large touchscreen display and dedicated function keys simplify parameter setting, waveform monitoring, and operational guidance.

8. Phase Detection & Load Control: Ensures correct wiring and safe operation while testing under varying load conditions.

The GF302D1 combines precision, versatility, and portability in one device. Its comprehensive functions, from voltage/current output to harmonic analysis and automated reporting, make it ideal for utilities, calibration labs, industrial testing, and field inspection teams who demand reliability and efficiency in energy meter calibration.

P8S AC Current Probe 10Hz-2MHz Wide Bandwidth For Power Analyzer

Adopts high-performance permalloy core, achieves class 0.1 high accuracy with tiny measurement error.

8mm small jaw design, suitable for thin wires, supports non-invasive testing without wire cutting.

Wide frequency range 10Hz to 2MHz and low phase shift, perfect for harmonic and waveform detection.

Complies with European standards & IEC/EN61010, CAT III 600V safety rating for industrial use.

Multiple current ranges and transformation ratios available, widely used for meter calibration and power monitoring.

 

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.