3M 965AMS ユーザーズマニュアル

2.  The strap at the far-end is 

open. There should be a 

solid short at the far-end.

3.  The tester checks to see 

that the sum of the faults 

is more than 100 times the 

loop resistance. You may 

press 

 with the 

test, but the results may 

have a reduced accuracy.