Product Overview The Hertz HZJB-340A is a high-precision three-phase protection relay tester designed for substation applications. It is capable of testing various traditional relays and relay protection devices as well as modern microcomputer protection devices. It is particularly convenient for ...
Product Overview The HZJB-340S is a high-performance automatic three-phase protection relay tester designed for comprehensive testing of line protection, main transformer differential protection, excitation control, and various other protection applications. Featuring standard four-phase voltage and ...
Product Overview The HZJB-340A is a 3-phase current and voltage test system designed for microcomputer relay protection testing. It is capable of testing various traditional relays and relay protection devices as well as modern microcomputer protection devices. It is particularly convenient for ...
Product Overview The HZJB-340A is a high-voltage substation microcomputer relay protection tester designed for comprehensive testing of both traditional relays and modern microcomputer protection devices. It is particularly well-suited for verifying transformer differential protection and auto...
Product Overview The HZJB-340S is widely used in line protection, main transformer differential protection, excitation control, and various other fields. This instrument features standard four-phase voltage and three-phase current output, capable of testing traditional relays and protection devices ...
Product Overview The HZ-1600B relay protection tester is engineered in strict accordance with the "Technical Conditions for Microcomputer Relay Protection Test Equipment DL/T 624-2010" and is fully compatible with the IEC61850 communication standard. Utilizing a powerful PowerPC+X86 platform, this ...
Product Overview The HZJB-660T is a six-phase relay protection tester engineered to test a wide range of relays — including current, voltage, inverse time, power direction, impedance, differential, low frequency, synchronization, frequency, DC, intermediate, and time relays — as well as microcompute...
Product Introduction The HZRJD-2000A single-phase thermal relay tester is a new generation of test equipment developed by the company based on feedback from users across the country and years of practical experience. It is primarily used for setting and calibrating various thermal relays and motor ...
HZRJ-300A Three-Phase Thermal Relay Tester The HZRJ-300A is a professional-grade testing instrument engineered for high-precision calibration and setting of thermal relays and motor protection devices. Developed based on extensive user feedback and field experience, it offers reliability and ...