[Test-Equipment] HP-410B VTVM probe cables question

[Barry]

Hi Rob,

Ask Connie at KISS electronics:

http://www.kiss-electronics.com/

http://www.kiss-electronics.com/products.htm

They have the triax (as well as some other parts).

Regards,
Barry - N4BUQ

----- Original Message -----
> From: "Robert Myers" <rsmyers at rogers.com>
> To: "Discussion of Electronic Test Equipment" <test-equipment at mailman.qth.net>
> Sent: Monday, August 18, 2014 1:39:08 PM
> Subject: [Test-Equipment] HP-410B VTVM probe cables question
> 
> I have an HP-410B VTVM.
> 
> 1.  Can someone tell me why the DC voltage probe connection to the
> HP-410B
> consists of a shielded cable while the Ohms probe connection is a
> just an
> insulated wire - or at least on mine the Ohms probe cable is that way
> (is
> that correct for the Ohms probe?).
> 
> So, is the shield really needed on the DC Volts probe?
> 
> 2.  Also, can someone tell me the original specification for the
> triax cable
> that connects the RF probe (i.e. AC Volts) to the HP-410B?  It shows
> an HP
> part number, but I think it was probably a Belden triax cable.
> 
> I am wondering if any newer more flexible triax cable capable of
> handling
> the voltages work?  If so, what should its characteristic impedance
> be (or
> does it matter, as it should be carrying only DC volts created from
> the
> rectified AC/RF)?
> 
> Thanks,
> --- Rob Myers, VE3JQL
> 
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