Relay Protection Tester

Integrated high precision analog signal output source with 0.05 accuracy. Measures 6 voltage and 6 current channels simultaneously. Supports traditional and electronic transformer inputs. Built-in auxiliary DC output 110V/220V. Over current, over temp, and short circuit protection. CE certified.

Handheld leakage protector tester for online measuring leakage operating current and time. Range 0-1000mA, 0-799ms. High accuracy, compact, LCD display. Ideal for single/three phase testing in field or lab.

Multi-functional relay tester with 5.7" capacitive touch panel, 11000mAh battery for 6h continuous use. Supports IEC61850, Goose, FT3, and IEEE-1588. Features 3 optical Ethernet ports, 2 hard inputs, 4 outputs. Ideal for substation installation and maintenance.

Professional microcomputer-controlled three-phase relay tester with AC220V ±10% input, 50/60Hz. Features 4/6/8 fiber optic Ethernet ports, GPS sync, and supports IEC61850. Factory direct price, one-year warranty, lifetime maintenance, and 24/7 after-sales support.

No wire disassembly needed for field testing. Measures capacitance, inductance, resistance, and current with high accuracy. Features LCD display, thermal printer, and 500VA output. Ideal for relay protection and power distribution maintenance.

The ZX-803 is a high-performance three-phase relay protection tester with 4 voltage and 3 current outputs up to 120V and 120A. It features a large color screen, dual operation modes, and high-fidelity linear amplifiers for precise testing of various relays and microcomputer protections. Ideal for industrial and utility applications.

The ZX-6000 is a new generation intelligent relay protection tester for smart substations. It supports IEC61850-9-1/2 SV, Goose, IEEE-1588, and FT3 messages. Features 8 pairs 100M fiber optic ports, GPS/IRIG-B sync, and 12-channel small signal output. Ideal for substation debugging and training.

High-speed DSP control for precise waveform output. 4-phase voltage (120V) and 3-phase current (120A) with 8.4-inch TFT LCD. Dual operation mode: standalone or PC. 10 input and 8 output contacts. Compact, lightweight, and easy to carry. Ideal for on-site relay testing.

The ZX-803 is a three-phase relay protection tester with 4 voltage and 3 current outputs, each phase up to 120V and 120A in parallel. It features a high-fidelity linear power amplifier, dual operation modes, and comprehensive protection testing capabilities for various relays and microcomputer systems.

The ZXJB single-phase relay tester features built-in AC/DC sources up to 100A and 320V, with 0.5% accuracy. It measures start, return, and action times for various relays. Compact, easy to operate, and ideal for on-site calibration with 1-year warranty.

Portable microcomputer relay tester with 4-phase voltage and 3-phase current output, 120V per phase and 120A triple output. Features 640x480 TFT display, dual operation modes, 10 input and 8 output contacts, and CE certification. Ideal for on-site testing and complex protection verification.

The ZX-6000 is a next-gen intelligent relay protection tester for optical digital devices. It features 8 pairs of 100M fiber optic Ethernet, GPS/IRIG-B sync, and supports IEC61850-9-2. Ideal for substation commissioning, R&D, and training with high accuracy and multiple test functions.

Measures capacitance, inductance, resistance, and current without disassembling parallel capacitor banks. Features an 8.0-inch touch screen, built-in printer, USB storage, and overcurrent protection. Ideal for reactive compensation system maintenance.

The ZX-803 is a CE-certified 4-phase voltage and 3-phase current relay tester with 120V per phase and 120A triple output. It features dual operation modes, a large TFT display, and 10 input contacts for efficient on-site testing and fault simulation.

High-precision 4-phase voltage and 3-phase current output up to 120V and 120A. Dual operation mode with large TFT display and photoelectric mouse. Features 10 inputs, 8 outputs, self-protection, and dedicated 110V/220V DC output. Ideal for on-site relay testing and verification.

The ZX-6000 is a portable relay protection tester with 8 pairs of 100M fiber optic Ethernet interfaces and built-in GPS. It supports IEC61850-9-1/2 SV, Goose, and FT3 messages, enabling comprehensive testing of protection devices, merge units, and intelligent terminals in smart substations.

Portable intelligent relay tester for substations. Supports IEC61850-9-2, Goose, FT3, and IEEE-1588. Features 12-channel small signal output, GPS sync, and SCL file parsing. Ideal for MU closed-loop testing and station debugging.

High-precision microcomputer relay tester with 4 voltage and 3 current outputs up to 120V/120A. Features dual operation modes, 10 switch inputs, 8 outputs, and large TFT display. Ideal for on-site protection testing with self-protection and DC power output.

High-speed DSP-based relay tester with 3-phase 40A AC and 120V voltage output. Tests current, voltage, impedance, differential, and frequency relays. Features large LCD, rotate mouse control, PC connectivity, and 1-20 harmonic superposition. Compact 15kg design for field use.

The ZX-803 is a portable 4-phase voltage and 3-phase current relay protection tester with 120V per phase and 120A triple output. Features dual operation modes, 10 input and 8 output contacts, large TFT display, and dedicated 110V/220V DC power. Ideal for on-site testing and verification of various relays and microcomputer protections.