Product Introduction： Brief description: The three-phase electricity tester is an instrument for three-phase electrical parameter measurement, CT circuit correctness analysis of the protective circuit and three-phase electrical voltage and current imbalance detection. ...

Product Introduction： The ct volt-ampere characteristic tester is a fully automated CT characteristic tester. It is a specialized testing instrument for relay protection and high-voltage insulation. The tests that can be completed by the instrument include: CT volt-ampe...

Product Introduction： The high-voltage CT transformation ratio tester breaks through the traditional structure and is specially designed and manufactured for online measurement of the primary current, secondary current size, transformation ratio, phase difference and pol...

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...