An old Amprobe model 550

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An old Amprobe model 550

#205897 04/21/12 07:22 PM

Joined: Nov 2002

Posts: 794

Likes: 3

Oradell NJ USA

W

wa2ise

OP

Member

An old Amprobe model 550

Found an old but not ancient Amprove meter, came with a test jig to allow measurements of currents drawn by loads you can plug in. It works, but I haven't figured out what the little black buttom just below the part you press on to open the jaws.

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Re: An old Amprobe model 550

wa2ise #205899 04/21/12 09:34 PM

Joined: Jul 2004

Posts: 787

Winchester, NH, US

L

LarryC

Member

It works, but I haven't figured out what the little black buttom just below the part you press on to open the jaws.

Meter needle lock? For when you can't directly observe the reading.