Product Introduction： The instrument is mainly used for the whole set of tests of power system power-off protection devices or complete sets of relay protection screens, which can truly simulate the circuit breaker tripping time. It simulates the tripping and closing of...

Product Introduction： The microcomputer-based relay protection tester is based on the DL / T624-1997 "Technical Conditions of Microcomputer-based Relay Protection Test Device" issued by the Ministry of Electricity, and listens to the opinions of users extensively, summar...

Product Introduction： The internal AC and DC voltage and current source of the single-phase relay protection calibrator adopts new power supply technology, which makes the instrument reach the domestic advanced level in circuit design, device selection, panel layout, an...

Product Introduction： The microcomputer-based relay protection tester is based on the "Technical Conditions of Microcomputer-based Relay Protection Test Device (Discussion Draft)" issued by the Ministry of Electricity, and listens to the opinions of users extensively, su...

Product Introduction： The relay protection device tester is based on the reference to DL / T624-1997 "Technical Conditions of Microcomputer-based Relay Protection Test Device" issued by the Ministry of Electric Power, and listens to the opinions of users extensively, s...