Saturday, August 8, 2026

GF6018A AC Current Standard for Clamp Meter Test

 Equipped with built-in large-caliber current coils, the GF6018A serves as a professional AC current standard specially for clamp meter performance inspection. It outputs low-distortion standard AC current with adjustable magnitude and frequency, which can fully test measurement precision, linearity and response performance of different clamp meters. Featuring outstanding long-term output stability, this calibrator can support continuous batch testing for instrument factories and periodic verification tasks in metrology labs, delivering traceable and credible calibration results for all types of clamp meters.

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

#GF6018A #ACCurrentStandard #ClampMeterTest #ElectricalCalibration #MetrologyEquipment


Friday, August 7, 2026

GF333V2 Reference Meter – Three-Phase Vector Diagram Verification

 Designed for rigorous phase vector calibration work, the GF333V2 covers a full 0° to 360° phase measurement range and pairs high precision with powerful data analysis capabilities. It can synchronously record vector status, waveform data and corresponding power parameters during tests, and supports data export via RS232 and USB ports for post-analysis and archiving. Adhering to IEC and ISO laboratory standards, this robust metal-bodied meter maintains consistent performance in long-duration vector verification, ideal for meter factories and metrology institutions.

For complete product details and technical parameters, please visit our official website: https://www.gfuvegroup.com/power-&-energy-reference-standard/three-phase-multifunction-reference-standard-meter.html

#GF333V2 #VectorCalibrator #ElectricalTesting #DataRecording #LabStandardMeter

GFUVE GF211D Dual Channel Phase Sequence Tester

 This dual-channel phase sequence tester independently collects two groups of line voltage signals to rapidly distinguish positive and reversed three-phase sequences without extra auxiliary testing gear. Its built-in vector rendering function visually presents 120° standard phase intervals, helping technicians avoid motor reverse rotation and transformer wiring faults during commissioning. The dual U1/U2 input ports support simultaneous comparison of primary and secondary side voltage phases of transformers, delivering consistent Class 0.5 precision across 45–65Hz grid frequency range. Compact handheld body and all-insulated test leads support all-day cabinet inspection tasks.

Check full phase sequence test operation tutorials via our official page:

https://www.gfuvegroup.com/protection-relay-tester/600v-20a-intellignet-digital-phase-angle-meter.html

#GFUVE #GF211D #PhaseSequenceTester #DualChannelMeter #TransformerWiringChecker


TEST-330B | Three Phase Secondary Current Injection Test Set | 0.1% Accuracy

Precision is the key to reliable protection relay verification. The TEST-330B Three Phase Secondary Current Injection Test Set combines high-accuracy performance, powerful testing functions, and stable signal output to meet the requirements of modern power system testing.

With 0.1% accuracy, TEST-330B provides precise current and voltage injection for relay calibration, protection characteristic analysis, and commissioning applications.

Designed for professional engineers, utilities, and substations, TEST-330B supports comprehensive three phase relay testing with reliable performance across various protection functions, including differential, distance, synchronization, harmonic, and other advanced relay tests.

Delivering accuracy, flexibility, and efficiency in one advanced platform, TEST-330B is the ideal solution for high-precision protection relay testing.

Product Details:

https://www.gfuvegroup.com/protection-relay-tester/three-phase-secondary-current-injection-test-set.html

#TEST330B #ThreePhaseSecondaryCurrentInjectionTestSet #01Accuracy #HighPrecisionRelayTester #ProtectionRelayTesting #RelayTestingEquipment #SecondaryInjectionTest #ThreePhaseRelayTester #PowerSystemTesting #SubstationTesting #ElectricalTesting #RelayCommissioning


Wednesday, August 5, 2026

LC-100KVB | Fast & Reliable Transformer Oil Dielectric Strength Testing

 Protect your transformers with confidence using the GFUVE LC-100KVB Portable Transformer Oil Dielectric Strength Tester.

Designed for fast and accurate insulation oil analysis, the LC-100KVB performs automatic dielectric strength testing for transformer oils up to 100kV. Equipped with a 7-inch color touch screen, programmable test sequences, intelligent protection, and high-precision measurement, it delivers reliable results in both laboratory and on-site environments.

Whether you're working in power utilities, transformer manufacturing, maintenance, or testing laboratories, the LC-100KVB helps improve testing efficiency while ensuring equipment safety and compliance with international standards.

🔗 Product Details: https://www.gfuvegroup.com/power-transformer-test/portable-transformer-oil-dielectric-strength-tester.html

#GFUVE #LC100KVB #TransformerOilTester #DielectricStrengthTester #OilBreakdownVoltage #TransformerTesting #ElectricalTesting #HighVoltageTesting #PowerUtility #Substation #TransformerMaintenance #InsulationOil #ElectricalMaintenance #ConditionMonitoring #PowerSystem


TEST-330B | AC Test | Three Phase Relay Tester

 Explore the AC testing performance of the TEST-330B Three Phase Secondary Current Injection Test Set and see how it supports professional relay verification in modern power systems.

This demonstration highlights the AC test process of TEST-330B, showing how engineers can apply controlled three-phase signals to evaluate relay operation and confirm protection system performance.

Designed for commissioning, maintenance, and laboratory testing, TEST-330B provides a practical and efficient testing platform for electrical professionals working with protection relays and power system equipment.

Discover reliable three-phase AC relay testing with TEST-330B.

Product Details:

https://www.gfuvegroup.com/protection-relay-tester/three-phase-secondary-current-injection-test-set.html

#TEST330B #ACTest #ThreePhaseRelayTester #RelayTesting #ProtectionRelayTesting #SecondaryInjectionTest #PowerSystemTesting #ElectricalTesting #SubstationTesting #RelayProtection #PowerEngineering #TestEquipment



Sunday, August 2, 2026

General Test Function Operation of the GFUVE TEST-630 Protection Relay Tester

 The GFUVE TEST-630 is built with powerful general test functions, serving as the basic and universal testing module for daily relay commissioning and routine calibration. It covers conventional power system test scenarios to complete fast and efficient verification of various common protection relays.

Relying on stable and high-precision 6U6I synchronous output, the tester supports flexible configuration of basic voltage, current, phase and time parameters. It can simulate normal operating conditions, simple fault states and steady-state signal outputs, meeting the general testing demands for most distribution and transmission grid protection devices.

Cooperating with high-sensitivity binary input acquisition channels, the device real-timely monitors relay operating status, accurately capturing pickup, tripping and reset actions. It records reliable test data to verify basic protection sensitivity, action logic and operational stability under conventional working conditions.

Perfect for on-site substation routine debugging, daily power system maintenance and universal laboratory relay testing, the general test function improves overall testing efficiency, realizing one-device multi-scene application for power protection commissioning.

Product Details: https://www.gfuvegroup.com/protection-relay-tester/six-phase-microcomputer-protection-relay-tester.html

#GFUVE #TEST630 #SixPhaseRelayTester #GeneralTestFunction #UniversalRelayTesting #SecondaryInjectionTester #PowerGridMaintenance #SubstationCommissioning