Heath VTVM

[Garey Barrell]

With an alkaline cell lasting 4-5 years in this service, (unless you
do a LOT of low resistance measurements,) it hardly seems worth it.

This mod is right up there with the "mod" to put the 1M probe
resistor inside the meter case.  Sounds good, but it completely
ignores the reason it was put in the probe to begin with!!

73, Garey - K4OAH
Atlanta

Mark Graalman WB8JKR wrote:
>   Yep, and I've found unless you can draw a good amount
> of current, it throws off the lowest resistance range.
>  It isn't worth the hassle.
>
> Mark  WB8JKR
>
>
> On Thu, 28 Oct 2004 04:00:29 -0400 Malcolm Leonard
> <radiorepair at MINDSPRING.COM> writes:
>
>>>This is a controversial issue if it connects to the transformer as
>>
>>a
>>
>>>former
>>>Heath engineer once posted a warning here,about  long term
>>
>>transformer
>>
>>>damage from the extra current draw used to power the battery
>>
>>eliminator
>>
>>>circuit.I have not verified this with personal experience.
>>>Malcolm
>>>----- Original Message -----
>>>From: "eugene shapiro" <genro at JUNO.COM>
>>>
>>>
>>>>I have eliminated the battery in my two Heath VTVM with simple
>>
>>circuit.
>>
>>>>Anyone interested, Can send via email. W0DLQ  genro at juno.com
>>>>

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