AEMC instruments 2127.84 사용자 설명서 - 페이지 9

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3.1

Accuracy

The CA7027 is able to measure distances to faults and cable lengths to

an accuracy of ±1%.

This measurement accuracy is based on the correct value of Vp being

used for the cable under test, and homogeneity of the Vp along the cable

length.

If the Vp is set incorrectly by the operator, or the Vp varies along the length

of the cable, then additional errors will be incurred and the measurement

accuracy will be affected.

NOTE: The Vp is less well defined with unshielded multicore cable, includ-

ing power cable, and is lower when a cable is tightly wound on a drum than

when installed.

Fault Mapper Pro

Model CA7027

GlobalTestSupply

www.

.com

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