[Test-Equipment] HP-606 panel meter

[Dave Brown]

The 606 was described in the April 1959 Journal-think the 606A came 
out later that year. AFAIK the same meters were used in all of the 606 
series.
DaveB, NZ
ZL3FJ

----- Original Message ----- 
From: "Richard Knoppow" <dickburk at ix.netcom.com>
To: "Discussion of Electronic Test Equipment" 
<test-equipment at mailman.qth.net>
Sent: Thursday, September 03, 2009 10:41 AM
Subject: Re: [Test-Equipment] HP-606 panel meter


>
> ----- Original Message ----- 
> From: "Barry Tuttleman" <bdtuttleman at att.net>
> To: <test-equipment at mailman.qth.net>
> Sent: Wednesday, September 02, 2009 1:29 PM
> Subject: [Test-Equipment] HP-606 panel meter
>
>
>>i have what i think is an HP-606 panel meter in front of
>>me: old style round type, has "HEWLETT PACKARD" in the
>>center, "WESTON ELEC. Inst., etc" on the top, "HP-606" on
>>the lower left, "HP-112-61" on the lower right, "POWER SET"
>>above the scale, center zero w/ +1 +2 +3 (DBM) to the
>>right, and -1 thru -6 to the left w/ a "ZERO SET" on the
>>far left.
>>
>> hp manuals 606A & 606B show large rectangular meters; is
>> this probably a 606 meter?
>>
>> TIA!~
>> barry
>> carson city
>
>     Are you quite sure its marked 606 and not 608? AFAIK no
> round meters were ever used on the 606 series and none were
> marked as this one is with a "carrier set". The markings are
> typical of the 608 series.
>     Also, AFAIK there was no just plain 606. The instrument
> was designed by Art Fong around the early 1960s. The 606B
> came out about the late 1960s and differes from the A in
> having a buffer stage and a means to connect it to a phase
> lock loop box so it can be referenced to a high stability
> source.
>     Its also possible that this meter may have come from a
> microwave generator since they use waveguide beyond cutoff
> attenuators and must be stadardized for input level to the
> attenuator. That would include the 616 series.
>
>
> --
> Richard Knoppow
> Los Angeles
> WB6KBL
> dickburk at ix.netcom.com
>
>
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