High Resistance Measurement HV Insulation Tester T-3630

 The T-3630 High Resistance Measurement HV Insulation Tester is specially designed for ultra-high insulation resistance testing up to 50TΩ, delivering precise and stable readings even for high-resistance insulating materials and high-voltage equipment. It supports adjustable high-voltage output from 100V to 15kV, with 0.01MΩ high resolution and 3% measurement accuracy to meet strict high-resistance detection requirements. This professional tester integrates automatic DAR/PI calculation, DC/AC voltage measurement, DC current detection, and capacitance test, enabling comprehensive insulation performance evaluation. Built with an IP65 rugged, shockproof, dustproof structure, large backlight LCD, 500-group data storage, USB communication, and rechargeable battery power, it ensures reliable operation in harsh environments. Ideal for power systems, industrial maintenance, cable testing, transformer inspection, and material research, the T-3630 provides professional, efficient, and accurate high-resistance measurement for all insulation diagnostic needs.

For more information about our products, please visit our official website: https://www.gfuvegroup.com/electrical-test-tool/hv-insulation-resistance-tester.html

GF6018A Stable DC Current Output for DMM Test

GF6018A generates steady low-noise DC current signals to precisely calibrate DC current measuring ranges of digital multimeters. Thanks to optimized drive circuit design, the output keeps excellent consistency even during long-hour continuous testing. It covers comprehensive DC current adjustment ranges to match various DMM specifications, perfectly fitting metrology laboratory calibration and factory batch instrument inspection.

Product link: https://www.gfuvegroup.com/electrical-calibrator/clamp-type-multimeter-calibrator.html

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GF438II Real-Time Multi-Parameter Synchronous Data Monitoring

 The GF438II Class A power quality analyzer delivers full-synchronous real-time monitoring across 4 voltage and 4 current acquisition channels, enabling simultaneous capture of dozens of core electrical indicators without data delay or desync issues. Complying with EN50160 standards, its single-screen integrated layout displays RMS voltage/current, system frequency, active/reactive power, power factor, unbalance ratio and total harmonic distortion at a glance, eliminating frequent menu switching during on-site inspection.

Adopting 10-cycle synchronous calculation algorithm, the device refreshes all measurement values in high speed, and supports half-cycle RMS real-time tracking to instantly capture sudden load fluctuations, equipment startup surges and transient distortion signals. Users can customize screen display layouts to prioritize parameters matching testing scenarios, such as focusing on power metrics for inverter efficiency testing or unbalance data for factory distribution cabinet audits.

While running real-time monitoring, the unit activates background automatic logging by default. All live data streams are continuously stored into the built-in 32G TF card at user-defined intervals, so engineers do not need to manually trigger recording separately. The high-definition adjustable brightness LCD maintains clear readability under strong outdoor sunlight, suitable for long-duration field monitoring at photovoltaic plants, wind turbine stations and municipal power distribution rooms. Its lightweight portable design and long-lasting battery support uninterrupted all-day real-time tracking for long grid acceptance projects.

Learn more: https://www.gfuvegroup.com/power-quality-analyzer/three-phase-power-quality-analyzer.html

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GF438II Operation Navigation：Frequency, Wiring Mode, Voltage Range & Current Clamp Ratio Setup Tutorial

The GF438II Class A three-phase power quality analyzer features an intuitive full-menu parameter configuration system to match diverse on-site grid testing environments. Users can rapidly switch between 50Hz and 60Hz nominal power frequency to adapt to domestic and international power distribution systems, with precise frequency resolution up to 0.001Hz to guarantee accurate harmonic and flicker calculation.

It supports flexible wiring mode selection covering 1P2W, 2P3W, 3P3W and 3P4W circuits, perfectly matching single-phase residential loads, three-phase industrial equipment and complete four-wire grid systems. The voltage measuring range offers multiple options including 120V, 230V, 400V and 1000V, fully complying with CAT IV 600V / CAT III 1000V safety rating for high-voltage entrance testing.

For current measurement, the device allows free configuration of current clamp ratios compatible with standard 5A to 1000A clamps and large-range flexible probes up to 6000A. Clear on-screen navigation prompts eliminate setup errors caused by mismatched wiring or current transformers, avoiding distorted power, harmonic and unbalance test results.

All parameter settings are saved automatically after adjustment, no repeated resetting required for repeated field measurements. The 6.4-inch high-definition color screen displays each setup item with charts and text prompts, lowering operation thresholds for new technicians. Widely adopted in PV power stations, wind farms, factory power distribution rooms and power bureau regular grid inspection, it simplifies pre-test preparation and improves overall field testing efficiency.

Learn more: https://www.gfuvegroup.com/power-quality-analyzer/three-phase-power-quality-analyzer.html

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Lightweight GF312V2 Three Phase Energy Meter Calibrator for Outdoor Operation

 The Lightweight GF312V2 Three Phase Energy Meter Calibrator for Outdoor Operation is a portable and durable testing instrument designed for accurate calibration and verification of energy meters in outdoor and field environments. Its lightweight structure makes it easy to transport and operate in remote locations, while maintaining high measurement accuracy for voltage, current, power, and energy parameters. The device supports efficient on-site diagnostics and meter error testing, helping technicians complete calibration tasks quickly and reliably. It is widely used in utility field services, power distribution inspections, and maintenance operations where mobility and precision are essential.

#GF312V2 #ThreePhaseCalibrator #OutdoorTesting #EnergyMeterCalibration #PortableTester #FieldOperation #PowerMeasurement #MeterVerification #ElectricalTesting #UtilityMaintenance

GF302D1 – Intuitive Front Panel for Efficient Meter Testing

The GF302D1 features a user-friendly front panel designed for efficient and precise energy meter testing. Each element is purposefully arranged for clear visibility and rapid operation in both laboratory and field environments.

1. 7-inch Touchscreen Display: Provides real-time measurements of voltage, current, active/reactive power, frequency, and energy errors. The large, high-resolution screen ensures clear visibility even under strong sunlight.

2. Integrated Function Keys: Quick access to test modes such as automatic, manual, phase detection, startup test, and harmonic analysis. These keys reduce the need for complex menus and speed up on-site operation.

3. Connection Indicators: LED indicators for phase presence and wiring correctness, ensuring safe and accurate connections before starting any test.

4. USB / PC Port: Enables data transfer, remote control, and automatic report generation. Engineers can export test results quickly for record keeping or further analysis.

5. Harmonic Analysis Panel: Dedicated display section for harmonic outputs and readings, enabling users to check meter performance under distorted power conditions.

The GF302D1 front panel is designed for speed, accuracy, and safety. It combines intuitive touchscreen operation with dedicated function keys and clear status indicators, making energy meter testing faster and more reliable. Perfect for utility engineers, calibration labs, and industrial testing teams.

GF6018A High Precision DC Voltage Output Unit

GF6018A features ultra-stable high precision DC voltage output, delivering accurate standard DC signals to calibrate the DC voltage measurement gears of digital multimeters. Adopting low temperature drift circuit design, it maintains steady output for long-time continuous calibration tasks. The wide adjustable DC voltage range can meet the verification demands of different DMM models, ideal for metrology labs, production quality inspection and on-site instrument checking.

Product link: https://www.gfuvegroup.com/electrical-calibrator/clamp-type-multimeter-calibrator.html

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