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SG850 series intelligent optical digital tester


The most accurate power quality diagnostic instrument in the industry


SG850 series is developed based on IEC61850 standard and is widely used in hand-held testing instruments of intelligent substations of 110kV and above. It can be used to protect the quick testing of measurement and control devices, intelligent terminals, merging units, transformers and other equipment. 

It integrates high-precision measurement and a variety of functions, and creates a new experience of intelligent substation testing with similar excellent performance.

SG850 series intelligent optical digital tester

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