The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 12, 2019

Filed:

Sep. 02, 2016
Applicant:

Fluke Corporation, Everett, WA (US);

Inventors:

Fang Li, Shanghai, CN;

Wei Huang, Shanghai, CN;

Shounan Luo, Shanghai, CN;

Assignee:

Fluke Corporation, Everett, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 15/18 (2006.01); G01R 1/22 (2006.01); G01R 19/00 (2006.01); G01R 1/067 (2006.01);
U.S. Cl.
CPC ...
G01R 15/181 (2013.01); G01R 1/22 (2013.01); G01R 15/186 (2013.01); G01R 19/0092 (2013.01); G01R 1/06788 (2013.01);
Abstract

A portable measurement device includes an elongated body, a stationary portion fixedly mounted to a distal end, and a movable jaw movably mounted to the distal end and movable between a closed position and an open position. In the closed position, the movable jaw and the stationary portion form a closed loop with an inner diameter of less than or equal to 10 mm. Alternatively, at least one of the movable jaw and the stationary portion has a cross-sectional diameter of less than or equal to 5 mm. In the open position, the movable jaw and the stationary portion define a gap allowing a wire under test to pass therethrough into the loop. A switch drives the movable jaw between the closed and open positions. A measurement circuit electrically coupled to the stationary portion and the movable jaw to receive and measure a sensing current generated by the closed loop.


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