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Old 1st Dec 2015, 6:26 pm   #81
Herald1360
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Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,526
Default Re: Test equipment for valve radio repair

Some of the not so recent hand held 'scopes like the Tektronix THS 7xx series are particularly interesting for one capability- the two inputs are both isolated from each other and the DC PSU which makes the 'scope very handy for some jobs. Live chassis electronics is one of them.

They're getting down to affordable-ish now- not much more and than a new Fluke DMM. Battery packs are expensive and difficult to find, but at least they use standard size NiCd cells.

The similar vintage Fluke scopemeters have the isolation too, but I find their lack of low frequency rolling display annoying.
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