Product Introduction： sf6 density relay calibrator is an intelligent SF6 gas density relay calibrator. The calibrator uses high-precision pressure sensors and high-speed A / D converters, combined with 32-bit high-performance microprocessors to perform performance verifi...

Product Introduction： The sf6 gas qualitative leak detector has some convenient functions: the seven-level sensitivity increases the sensitivity by 64 times, and the three-color light-emitting diode indicates the degree of leakage in a wide range in a progressive manner....

Product Introduction： This instrument is developed and designed based on the national power industry standard DL / T506-2007 "Measurement Method of Insulating Gas Humidity in Sulfur Hexafluoride Electrical Equipment", using imported high-precision dew point sensors and n...

Product Introduction： Voltage transformer secondary circuit voltage drop measurement methods are usually either indirect measurement method and or direct measurement method (wireless measurement is an indirect measurement method), because the accuracy of the indirect measur...

Product Introduction： A comprehensive tester for field errors of voltage transformers. It can meet the user's measurement of the voltage transformer's error (ratio difference, angle difference). It has the characteristics of high precision, good stability, small size and l...

Product Introduction： On-site calibrator for current transformers. It can meet the user's measurement of the current transformer error (ratio difference, angle difference). The features of high precision, good stability, small size and light weight greatly facilitate users....