[R-390] Millivac RF Voltmeter help

[Glen Galati]

Hello Phillip,
I'll check my library as soon as I get a free moment as I believe that I
have a manual on this relic and probably has a few here in the store. The
good news is thatyou have the matching probe.

73,
Glen Galati                eldim@att.net
Tacoma, WA

p.s. Everyone here in the U.S.A.  have a Safe, and enjoyable LABOR DAY
weekend. HAPPY HOLIDAY.  I think I'll stay home. I-5 is a MESS!
----- Original Message -----
From: Philip B Atchley <ko6bb@juno.com>
To: <r-390@mailman.qth.net>
Sent: Friday, August 30, 2002 4:54 PM
Subject: [R-390] Millivac RF Voltmeter help


> Hello All.
> I have a test instrument here that I'd like to get a little information
> on.  First, let me mention that I have used many Laboratory RF
> instruments during past "RF careers" but have never run across this
> particular instrument.
>
> I did a web search on it but all I found were a couple units offered for
> sale with no other information.  I suspect it is rather old as it appears
> to be early solid state and I can hear the "Choppers" whine.  It's last
> inventory sticker is 1994 so I suspect it was pulled out of service
> around that time.
>
> All I know about it:
> It is a rack mount Millivac Industries Model MV-828AR RF MilliVoltmeter
> with "Type G probe".  The instrument has full scale ranges of 1mV to 3
> Volts full scale in 8 ranges.  It should be able to be read down to about
> .2mV or less.
>
> One interesting point.  The screw on probe tip is missing, though I
> believe the probe is electrically complete.  But on the 1mV range the
> instrument is very sensitive, even shining a FLASHLIGHT or other light on
> the end of the probe affects the meter ZERO (Discovered when I turned the
> bench light on).
>
> QUESTIONS:
> Anybody know the frequency range, input impedance etc of this unit?  Can
> this unit be used IN PLACE OF the HP Voltmeter/RF probe in the alignment
> of R-390A's etc?
>
> 73 de Phil  KO6BB
> Loving home provided for wayward Boatanchor Receivers
> ko6bb@juno.com
> Merced, Central California
> 37.18N  120.29W  CM97sh
>
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