SPIRALLY THRUSTING NULL INDICATOR FOR INSULATOR

The utility model relates to a spirally thrusting null indicator for insulator, which is a strain insulator chain electrified detector of high voltage line. The utility model is characterized in that an electric spiral driving device is adopted; a switching framework construction which is adjustable...

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Bibliographic Details
Main Author FANG NIAN-AN
Format Patent
LanguageEnglish
Published 20.08.1986
Edition4
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:The utility model relates to a spirally thrusting null indicator for insulator, which is a strain insulator chain electrified detector of high voltage line. The utility model is characterized in that an electric spiral driving device is adopted; a switching framework construction which is adjustable is provided; a detecting display arrangement with flash and audio is also provided. The utility model is suitable for the detection of insulator chains of high voltage lines which are in all voltage and all dimensions.
Bibliography:Application Number: CN1985204284U