GF2018 New-Generation Wireless High Voltage Primary Current Sensor Recorder for Power Grid Monitoring

 As an upgraded wireless current recorder, the GF2018 adopts advanced 433M wireless transmission technology to deliver stable and accurate current data during long-term monitoring. Its main body is made of high-performance ABS+PC composite materials combined with cutting-edge waterproof technology, enabling continuous online operation even under extreme weather conditions. Equipped with Rogowski coil based True RMS inductive sensors without magnetic components, the device can electronically close the sensor opening and reject external stray currents effectively. It is widely deployed in various power-related sectors to record primary current of overhead lines reliably. https://www.gfuvegroup.com/ammeter-recorder/high-voltage-power-load-recorder-with-wireless-current-sensor.html

#GF2018 #WirelessCurrentRecorder #HighVoltageMonitor #PowerGridMonitoring #RogowskiCoilSensor

30m Wireless Transmission High Voltage Clamp Ammeter GF2011

 Complex substation layouts, wall barriers and transformer blocks often disrupt remote signal reading for traditional HV measuring tools — GF2011 solves this pain point with robust 30-meter barrier-penetrating wireless transmission, delivering stable real-time data no matter the site obstacles.

This industrial-grade clamp ammeter pairs seamlessly with a 5m segmented insulation rod with 100kV AC insulation strength, enabling safe live-line tests on power lines up to 69kV. Its advanced CT sensing and masked digital chip technology delivers ultra-wide measuring coverage from micro 0.00mA leakage signals to 1200A heavy load current, with 0.01mA high resolution and consistent ±1% accuracy across full measurement range.

The separated handheld receiver features a backlit 4-digit LCD for clear readings in low-light substation environments, built-in peak hold, data lock and storage for up to 99 groups of field records. You can store test data on-site to manually calculate primary and secondary loop current ratios for transformer performance diagnosis later. The anti-drip meter body and multi-section insulation rod are engineered to resist moisture, high temperature, impact and bending, operating steadily under -25°C to 40°C wide temperature range for all-year outdoor patrol. Powered by matched alkaline batteries, it supports 10 hours of continuous testing, equipped with low-battery reminder and 15-minute auto shutdown to extend battery lifespan. Fully compliant with IEC1010 and EMC international safety standards, the complete package contains clamp sensor, wireless receiver, protective storage case and full set of batteries for independent single-person field operation.

Perfect fit for distribution grid patrol, power anti-theft inspection, mining electrical maintenance, power plant routine testing and property electrical fault troubleshooting.

View full technical parameters, factory wholesale price and customized project support here: https://www.gfuvegroup.com/ammeter-recorder/wireless-high-voltage-clamp-current-meter-with-insulation-rod.html

#30mWirelessHVTest #GF2011Ammeter #LiveLineCurrentTest #GridFaultInspection #HVClampAmmeter #PowerO&MEquipment #IECStandardTester

TEST-901D PROTECTIVE RELAY PRIMARY INJECTION EQUIPMENT

TEST-901D is a specialized primary injection test instrument designed for the precise testing and validation of protective relay systems. It delivers stable 1000A high-current output to simulate realistic fault conditions, enabling accurate assessment of relay tripping logic, response time, and overall protection performance. Integrated with advanced control technology and a user-friendly interface, it also supports comprehensive CT ratio and polarity verification, ensuring reliable alignment between relay settings and current transformers. Equipped with built-in data logging and safety features, this equipment streamlines relay commissioning and maintenance workflows, making it an essential tool for ensuring power grid safety and reliability.

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

T-3630 | DC Current Test with GF6018A

The GFUVE T-3630 performs DC current testing as part of its comprehensive electrical measurement capabilities. In this demonstration, the GF6018A Multifunction Calibrator is used as the test power source, providing a controlled DC current input for the T-3630.

This test setup helps verify the T-3630's measurement performance and demonstrates a practical connection method for professional electrical testing. It is suitable for laboratory verification, equipment testing, calibration, and field applications.

🔗 T-3630 Product Details: https://www.gfuvegroup.com/electrical-test-tool/hv-insulation-resistance-tester.html

#T-3630 #DCCurrentTest #GF6018A #InsulationResistanceTester #ElectricalTesting #HighVoltageTester #Megohmmeter #ElectricalTestEquipment #DCVoltage #TestEquipment #ElectricalMeasurement #PowerTesting

AC Test Function Operation of TEST-630 Microcomputer Protection Relay Tester

 The GFUVE TEST-630 provides comprehensive AC test operation functions, serving as the core secondary injection testing solution for power system protection relays. It delivers standard and fault-state AC signals to fully verify relay operating performance and protection logic.

Adopting high-precision 6U6I synchronous AC output, the tester supports flexible adjustment of voltage, current, phase angle and frequency. It can simulate normal operating conditions, phase faults, ground faults and unbalanced three-phase states, covering almost all AC fault scenarios in power grids.

With high-sensitivity binary input channels, the device stably captures relay tripping, closing and state switching signals during AC testing. It accurately measures operating time, action thresholds and logical response to ensure consistent and reliable protection behavior under various AC working conditions.

Widely applied in substation commissioning, power system maintenance and laboratory relay calibration, the AC test operation ensures all AC-based protection functions operate accurately, laying a solid foundation for safe and stable power grid operation.

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

#GFUVE #TEST630 #SixPhaseRelayTester #ACTestOperation #ACSignalTesting #SecondaryInjectionTester #PowerGridProtection #SubstationCommissioning

TEST-330B | DC Test | Protection Relay Testing

Discover how the TEST-330B Three Phase Secondary Current Injection Test Set supports reliable DC testing for professional protection relay applications.

This demonstration focuses on the DC test process, showing how TEST-330B provides controlled testing conditions to help engineers verify relay operation, analyze protection characteristics, and improve the accuracy of commissioning procedures.

Designed for power system professionals, TEST-330B offers a practical testing platform for substations, utilities, and industrial electrical networks where dependable protection performance is essential.

Explore DC protection relay testing with TEST-330B and experience a smarter approach to relay verification.

Product Details:

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

#TEST330B #DCTest #ProtectionRelayTesting #RelayTester #SecondaryInjectionTest #ElectricalTesting #PowerSystemTesting #SubstationTesting #RelayProtection #PowerEngineering #ElectricalEquipment #Commissioning

GF112D Wireless Printing for On-site Test Data

The GF112D supports Bluetooth wireless printing to output test data instantly at inspection sites. Once single-phase meter verification, harmonic detection and power parameter testing are completed, technicians can connect to a portable printer wirelessly and obtain tangible test reports right on location.

No wired connection is needed, eliminating messy cables and improving mobility during field work. Printed records contain complete test information for filing and on-site communication with customers. Combined with USB data export, wireless printing delivers a full set of data output solutions to boost efficiency for power metrology field crews.

https://www.gfuvegroup.com/energy-meter-test-equipment/single-phase-electricity-meter-tester.html

#GF112D #WirelessPrinting #OnSiteTestReport #SinglePhaseMeterTester #GFUVE