[Blindtlk] NFB’s talking DMM

[T. Joseph Carter]

The black probe has no switch, and that’s the one I wish to replace.  
Not with a gator clip, but a mini-clip for a DIP or other small 
component lead.  The other end is just fine using the typical needle.

Actually, finding replacement coaxial connectors for this meter would 
be handy in general.  I used to have a dozen or more sets of test 
leads of various types and uses.  If something happens to the leads 
on this one, I’d have to buy a new meter at the moment.  Not exactly 
ideal!  The one Lloyd has (apparently he doesn’t realize that it’s 
dangerous for blind people to use it!) needs new leads as well, but 
he’s at least got the option to make new ones.  Dunno what we with 
the "Tophand" DMM will do!

Joseph - KF7QZC


On Tue, Aug 16, 2011 at 05:01:38PM -0500, Bryan Schulz wrote:
>hi,
>
>what's the point?
>if you use a gator clip-banana plug wire, you don't get to hit the 
>button to hear the value.
>you can easily crimp the barrel of a gator clip down far enough that 
>it will stay on the test probe if you want a gator clip tip.
>
>Bryan Schulz
>
>----- Original Message ----- From: "T. Joseph Carter" 
><carter.tjoseph at gmail.com>
>To: "Blind Talk Mailing List" <blindtlk at nfbnet.org>
>Sent: Tuesday, August 16, 2011 3:34 PM
>Subject: [Blindtlk] NFB’s talking DMM
>
>
>>I needed a new DMM anyway, so I ordered the talking one from the 
>>NFB’s Independence Market.  It comes with pretty scant printed 
>>documentation (a single sheet) in very small print Engrish, marking 
>>the product as most definitely made in China.  The specs tell me it 
>>is quite adequate to the task I bought it for, but I’m a wondering 
>>about the test leads.
>>
>>They aren’t using standard banana plugs, which makes sense given 
>>the talk button and LED in each probe.  But the connector looks 
>>like it will still accept a standard banana plug.  Looks can be 
>>deceiving though (yes, it’s true even if you’re blind!) and I’d 
>>rather not cook my new meter just yet! *grin*
>>
>>Clearly the LED pins can be at least shorted, since the talk button 
>>does exactly that.  But a normal banana plug might or might not 
>>short them to the test lead as well.
>>
>>Has anybody let out the magic smoke doing it?  *grin*
>>
>>Joseph - KF7QZC
>>
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>
>
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