Relay Protection Tester

Advanced protection relay test set featuring 4/6/8 pairs of 100M fiber optic Ethernet interfaces, 12-channel small signal output with 0.1% accuracy, and support for IEC61850-9-1/2, Goose, and IEEE-1588 protocols. Includes built-in GPS synchronization, comprehensive message analysis capabilities, and industrial-grade construction for reliable electrical system testing.

Integrated high precision analog signal source (accuracy 0.05) with 6 voltage and 6 current channels. Supports traditional and electronic transformer inputs, full MU functions, built-in auxiliary DC 110V/220V, and independent IPC operation. Factory direct price, one year warranty, and lifetime maintenance.

Digital anti-interference technology ensures stable testing without power frequency disturbance. Measures capacitance and current up to 500A and 250µF with ±5% accuracy. Full protection with current limit and high voltage withstand. Ideal for outdoor 6kV to 35kV systems.

The ZXJB Single Phase Relay Protection Tester features AC/DC current up to 100A and voltage up to 320V with ±0.5% accuracy. It tests various relays including measuring, time, intermediate, reclosing, and differential types. Compact design with digital millisecond meter, ideal for field use.

Portable leakage protection tester measures operating current and time for single/three phase switches. Features 30-1000mA range, 0-799ms timing, LCD display, and high accuracy. Ideal for on-site and lab testing.

Professional gas relay testing instrument featuring high automation, 0.5 accuracy level flow measurement, 250-400 ml volume testing, and 150 Kpa sealing tests. Includes LCD display, error correction system, and portable design for transformer protection system analysis with precise simulation of internal faults.

High-precision 200A contact resistance tester for switching control equipment. Features strong anti-interference, continuous high current output, and 1–1999μΩ range. Durable, compact, and ideal for high-voltage switch maintenance.

DSP-controlled 6-phase relay tester with 30A AC and 160V DC output. High-precision linear amplifier ensures waveform accuracy. Supports 6V6I, 4V3I, and 12-phase modes. Features USB interface, 1-year warranty, and compact portable design for efficient field testing.

Integrated gas relay calibrator with full-color touch display and wireless HMI. Features CAN bus acquisition, hydraulic clamping, and 0.6-4.2m/s flow detection. Ideal for heavy gas flow, volume, and seal testing with high precision and automation.

Six-phase relay protection tester with 40A AC and 120V AC output. Features high-fidelity linear power amplifier, Windows XP interface, and USB connectivity. Ideal for transformer differential protection testing. Supports custom options and includes 1-year warranty.

Portable RCD tester for single and three phase leakage switches. Measures operating current and time with high accuracy. Features LCD display, auto test, and 0-799ms range. Ideal for field and lab use.

Professional substation testing device featuring 5.7" capacitive touch screen, 11000mAh battery for 6+ hours operation, and high-precision analysis capabilities. Supports multiple protocols including IEC61850, Goose, and IEEE-1588 with message sending dispersion

Professional 0.2 class SF6 density relay calibration tester with automatic temperature compensation, 0.001MPa pressure resolution, and storage for 32 test results. Features built-in battery option, multiple transition joints, and comprehensive testing capabilities for power system maintenance.

Multi-functional handheld tester for protection devices, merging units, and intelligent terminals. Features 3 pairs optical Ethernet, 100/1000Mbps, IEC61850 support, and 11000mAh battery for over 6 hours continuous operation. Compact and portable.

Professional single-phase relay protection tester featuring 0.1ms resolution timing, 100A AC current measurement, and comprehensive relay testing capabilities. Includes AC/DC voltage and current sources, digital millisecond meter, and supports various relay types including time, intermediate, and differential relays. One-year warranty with lifetime technical support.

Integrated gas relay calibrator with single-pipe design reduces volume and cost. Features 250kPa seal detection, 0-950mL volume range, and 0.5% accuracy. CAN bus architecture, touch display, and wireless control for efficient testing.

Multi-functional tester supporting IEC61850 SV/Goose and IEC60044 FT3 messages. Features 12 analog output channels, GPS sync, and SCL file parsing. Ideal for smart substation testing with high accuracy and independent operation.

Integrated high precision 0.05% analog source tests 6 voltage and 6 current channels simultaneously. Supports electronic, electromagnetic, and hybrid transformer inputs. Features 110V/220V auxiliary DC output, built-in IPC, and comprehensive protection. Ideal for smart substation merging unit testing.

Integrated high precision analog signal output source with 0.05 accuracy. Measures 6 voltage and 6 current channels simultaneously. Supports multiple MU types, built-in IPC, and auxiliary DC output. Features overcurrent and short circuit protection. Ideal for substation testing.

High-precision SF6 density relay calibrator with 0.2% accuracy, 0.001MPa resolution, and 0-1.0MPa range. Features automatic temperature compensation, 32-test storage, and USB/232 data upload. Portable, easy to operate, and ideal for on-site verification.