Re: [MBZ] Oscilloscope

[Frederick W Moir]

Rolf, Jim.
This is, as described, an "Olde" Tek scope. It weighs probably 50# 
and sits on an angled cart that has openings for two extra plug-ins.
That said, it works and has a calibrated sweep etc. Though the last 
time it was calibrated Pontious was a pilot!

Fred Moir
Lynn MA
Dinosaur juice in compression ignition engines preferred.

At 12:52 AM 9/13/2009, you wrote:
I am in Atlanta, how much you think it weighs? I found a local one 
for $75 but $40 is more my range these days.

Rolf



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Re: [MBZ] Oscilloscope

[Jim Cathey]

Ah its a tube scope I see.


I don't know that!  Just pointing out a fact about scopes.

-- Jim



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Re: [MBZ] Oscilloscope

[Rolf Martin-Hoster]

Ah its a tube scope I see.

Jim Cathey wrote:
I am in Atlanta, how much you think it weighs? I found a local one 
for $75 but $40 is more my range these days.


Old Tek tube scopes (for example) are excellent, for what they are,
but nobody in their right mind would want to ship one!

-- Jim



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Re: [MBZ] Oscilloscope

[Jim Cathey]

I am in Atlanta, how much you think it weighs? I found a local one for 
$75 but $40 is more my range these days.


Old Tek tube scopes (for example) are excellent, for what they are,
but nobody in their right mind would want to ship one!

-- Jim



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Re: [MBZ] Oscilloscope

[Rolf Martin-Hoster]

I am in Atlanta, how much you think it weighs? I found a local one for 
$75 but $40 is more my range these days.


-Rolf

Frederick W Moir wrote:

Winmutt.
Where in the country do you live?
I have an Olde but functioning Tek you can have. if you live somewhere 
in the N.E.

Fred Moir
Lynn MA

At 09:19 AM 9/10/2009, you wrote:
All of the knobs are for reading, there is a section in the lower 
right for calibration (signal generation) that I didnt take a picture 
of.. The signal you see on the scope is generated by me. I have not 
way to measure peak to peak that I can tell. The calibration didn't 
seem to have any of generating specific frequencies, which would do 
the job for me. I really like this ancient bit but I think it's not 
up to today's task.


-Rolf

Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:
Doesn't make much sense that an O-scope can't measure freq.  I 
looked at

the pix and the only controls I see seem to be related to signal
generation, none of them seem to be for measuring.

Again, how do you know this is an O-scope?  Is there a name plate that
says something like "Mark 5 Mod 0 Oscilloscope"



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Re: [MBZ] Oscilloscope

[Frederick W Moir]

Winmutt.
Where in the country do you live?
I have an Olde but functioning Tek you can have. if you live 
somewhere in the N.E.

Fred Moir
Lynn MA

At 09:19 AM 9/10/2009, you wrote:
All of the knobs are for reading, there is a section in the lower 
right for calibration (signal generation) that I didnt take a 
picture of.. The signal you see on the scope is generated by me. I 
have not way to measure peak to peak that I can tell. The 
calibration didn't seem to have any of generating specific 
frequencies, which would do the job for me. I really like this 
ancient bit but I think it's not up to today's task.


-Rolf

Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:

Doesn't make much sense that an O-scope can't measure freq.  I looked at
the pix and the only controls I see seem to be related to signal
generation, none of them seem to be for measuring.

Again, how do you know this is an O-scope?  Is there a name plate that
says something like "Mark 5 Mod 0 Oscilloscope"



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Re: [MBZ] Oscilloscope

[Jim Cathey]

Seconds? Division? Thats fancy talk. When I mean antique I mean 
Korean? war.


Looks like it has untriggered sweep.  By this I mean that it's very
hard to get a stable waveform without careful fiddling of the vernier
dial.  (It might be synchronized sweep, which could exhibit a bit of
a 'notch' on the vernier where it does lock.)  Regardless, once one
knows the frequency range of the various sweep switch settings one
can get a very coarse (i.e. within 10-30%, that sort of thing) idea
of the frequency by dialing up some number of full waveforms on the
face and then back-calculating from the vernier setting.  Not easy,
but possible.  I'm sure the squid techs would call you a pansy boy
for not being able to extract frequency from their stone-age tool!

Allow me to suggest a useful adjunct, like a Fluke DMM.  The 'scope
will show you if you've got a good enough waveform to get a good
frequency count off of, and the Fluke will tell you the number.
(For audio frequencies.)

My old Griefkit IO-102 had supposedly synchronized sweep, but it
never worked.  Just as the VTVM's higher voltage ranges were all
out of whack.  These were both assembled by my father, with me
watching as a boy, and I still had the manuals.  I took them fully
apart and repeated the instructions, correctly this time.  Both
work well, now.  Both have been semi-superseded by newer tools,
like the Tektronix 2336 scope and the Fluke 83/87 DMM's.  When
the Tek crapped out a few years ago, however, the old scope was
of great aid in repairing it.

Dad's attention to detail is not mine.  OTOH, somehow he could
teach science to rooms full of pubescents, and be loved for it.
(Whom I would have killed within days, I'm sure.  Me not teacher.
Ugh.)

_Any_ scope is better than no scope.

-- Jim



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Re: [MBZ] Oscilloscope

[Allan Streib]

Maybe if you could have it display a known frequency, then you could measure 
the peak-to-peak distance on the display with a caliper, and use that to 
calculate your unknown signal frequency.  (With some margin of error).

Allan


On Thu, 10 Sep 2009 09:19 -0400, "winmutt"  wrote:
> All of the knobs are for reading, there is a section in the lower right 
> for calibration (signal generation) that I didnt take a picture of.. The 
> signal you see on the scope is generated by me. I have not way to 
> measure peak to peak that I can tell. The calibration didn't seem to 
> have any of generating specific frequencies, which would do the job for 
> me. I really like this ancient bit but I think it's not up to today's
> task.
> 
> -Rolf
> 
> Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:
> > Doesn't make much sense that an O-scope can't measure freq.  I looked at
> > the pix and the only controls I see seem to be related to signal
> > generation, none of them seem to be for measuring.
> >
> > Again, how do you know this is an O-scope?  Is there a name plate that
> > says something like "Mark 5 Mod 0 Oscilloscope"?
> >
> > Max
> >
> > -Original Message-
> > From: mercedes-boun...@okiebenz.com
> > [mailto:mercedes-boun...@okiebenz.com] On Behalf Of winmutt
> > Sent: Thursday, September 10, 2009 8:55 AM
> > To: Mercedes Discussion List
> > Subject: Re: [MBZ] Oscilloscope
> >
> > That is the fundamental problem with this scope. No grid. If you look at
> > the pics you can see the vintage
> >
> > -Rolf
> >
> > Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:
> >   
> >> Can you measure the time between peaks?  Usually there is a grid on 
> >> the screen and the horizontal axis it time.  Hz equals cycles per 
> >> second, so if you can determine the time between peaks then some math 
> >> will tell you how many Hz you are measuring.
> >>
> >> Are you sure this is an oscilloscope and not some other device like a 
> >> signal generator?  More pix please of the whole front and all the 
> >> controls!
> >>
> >> Max
> >>
> >> -Original Message-
> >> From: mercedes-boun...@okiebenz.com
> >> [mailto:mercedes-boun...@okiebenz.com] On Behalf Of Rolf Martin-Hoster
> >> Sent: Thursday, September 10, 2009 6:43 AM
> >> To: Mercedes Discussion List
> >> Subject: Re: [MBZ] Oscilloscope
> >>
> >> Seconds? Division? Thats fancy talk. When I mean antique I mean
> >> 
> > Korean? 
> >   
> >> war. Here are some pics.
> >>
> >> http://winmutt.com/images/scope/
> >>
> >> I did think about using AC 60hz as a calibration.
> >>
> >> Pretty sure the CRT on this thing will give you cancer if you stand 
> >> infront of it heh.
> >>
> >> Thanks.
> >>
> >> -Rolf
> >>
> >> Jim Cathey wrote:
> >>   
> >> 
> >>>> I need to figure out if I am generating a 140hz signal with an 
> >>>> antique of a scope. Scope does not have any fancy setting like time.
> >>>> It is a navy relic. How do I go about measuring the frequency? I 
> >>>> have
> >>>>   
> >>>> 
> >>   
> >> 
> >>>> a signal showing 3 cycles with 100hz sweep. Do I need a better
> >>>> 
> > scope?
> >   
> >>>>   
> >>>> 
> >>> Better is easier, but not absolutely necessary.  How do you know it's
> >>>   
> >
> >   
> >>> a 100Hz sweep?  But the completely uncalibrated sweeps are difficult 
> >>> to use for frequency.  Usually the sweep speeds are in steps, X 
> >>> seconds/division, and you just count the number of divisions and 
> >>> multiply/divide.  They're not uncalibrated.
> >>> But if it's an unmarked knob you'd only normally use that for 
> >>> waveform
> >>> 
> >>>   
> >>   
> >> 
> >>> quality.
> >>>
> >>> 140 Hz is very close to C#3 on a piano.  Compare it by ear?
> >>> Feed signal to a tuner?  (Cheap frequency counter.)  My Fluke DMM 
> >>> does
> >>> 
> >>>   
> >>   
> >> 
> >>> Hz on AC.
> >>

Re: [MBZ] Oscilloscope

[winmutt]

All of the knobs are for reading, there is a section in the lower right 
for calibration (signal generation) that I didnt take a picture of.. The 
signal you see on the scope is generated by me. I have not way to 
measure peak to peak that I can tell. The calibration didn't seem to 
have any of generating specific frequencies, which would do the job for 
me. I really like this ancient bit but I think it's not up to today's task.


-Rolf

Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:

Doesn't make much sense that an O-scope can't measure freq.  I looked at
the pix and the only controls I see seem to be related to signal
generation, none of them seem to be for measuring.

Again, how do you know this is an O-scope?  Is there a name plate that
says something like "Mark 5 Mod 0 Oscilloscope"?

Max

-Original Message-
From: mercedes-boun...@okiebenz.com
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of winmutt
Sent: Thursday, September 10, 2009 8:55 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Oscilloscope

That is the fundamental problem with this scope. No grid. If you look at
the pics you can see the vintage

-Rolf

Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:
  
Can you measure the time between peaks?  Usually there is a grid on 
the screen and the horizontal axis it time.  Hz equals cycles per 
second, so if you can determine the time between peaks then some math 
will tell you how many Hz you are measuring.


Are you sure this is an oscilloscope and not some other device like a 
signal generator?  More pix please of the whole front and all the 
controls!


Max

-Original Message-
From: mercedes-boun...@okiebenz.com
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of Rolf Martin-Hoster
Sent: Thursday, September 10, 2009 6:43 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Oscilloscope

Seconds? Division? Thats fancy talk. When I mean antique I mean

Korean? 
  

war. Here are some pics.

http://winmutt.com/images/scope/

I did think about using AC 60hz as a calibration.

Pretty sure the CRT on this thing will give you cancer if you stand 
infront of it heh.


Thanks.

-Rolf

Jim Cathey wrote:
  

I need to figure out if I am generating a 140hz signal with an 
antique of a scope. Scope does not have any fancy setting like time.
It is a navy relic. How do I go about measuring the frequency? I 
have
  

  


a signal showing 3 cycles with 100hz sweep. Do I need a better


scope?
  
  


Better is easier, but not absolutely necessary.  How do you know it's
  


  
a 100Hz sweep?  But the completely uncalibrated sweeps are difficult 
to use for frequency.  Usually the sweep speeds are in steps, X 
seconds/division, and you just count the number of divisions and 
multiply/divide.  They're not uncalibrated.
But if it's an unmarked knob you'd only normally use that for 
waveform

  
  


quality.

140 Hz is very close to C#3 on a piano.  Compare it by ear?
Feed signal to a tuner?  (Cheap frequency counter.)  My Fluke DMM 
does

  
  


Hz on AC.

-- Jim



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Re: [MBZ] Oscilloscope

[Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310]

Doesn't make much sense that an O-scope can't measure freq.  I looked at
the pix and the only controls I see seem to be related to signal
generation, none of them seem to be for measuring.

Again, how do you know this is an O-scope?  Is there a name plate that
says something like "Mark 5 Mod 0 Oscilloscope"?

Max

-Original Message-
From: mercedes-boun...@okiebenz.com
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of winmutt
Sent: Thursday, September 10, 2009 8:55 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Oscilloscope

That is the fundamental problem with this scope. No grid. If you look at
the pics you can see the vintage

-Rolf

Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:
> Can you measure the time between peaks?  Usually there is a grid on 
> the screen and the horizontal axis it time.  Hz equals cycles per 
> second, so if you can determine the time between peaks then some math 
> will tell you how many Hz you are measuring.
>
> Are you sure this is an oscilloscope and not some other device like a 
> signal generator?  More pix please of the whole front and all the 
> controls!
>
> Max
>
> -Original Message-
> From: mercedes-boun...@okiebenz.com
> [mailto:mercedes-boun...@okiebenz.com] On Behalf Of Rolf Martin-Hoster
> Sent: Thursday, September 10, 2009 6:43 AM
> To: Mercedes Discussion List
> Subject: Re: [MBZ] Oscilloscope
>
> Seconds? Division? Thats fancy talk. When I mean antique I mean
Korean? 
> war. Here are some pics.
>
> http://winmutt.com/images/scope/
>
> I did think about using AC 60hz as a calibration.
>
> Pretty sure the CRT on this thing will give you cancer if you stand 
> infront of it heh.
>
> Thanks.
>
> -Rolf
>
> Jim Cathey wrote:
>   
>>> I need to figure out if I am generating a 140hz signal with an 
>>> antique of a scope. Scope does not have any fancy setting like time.
>>> It is a navy relic. How do I go about measuring the frequency? I 
>>> have
>>>   
>
>   
>>> a signal showing 3 cycles with 100hz sweep. Do I need a better
scope?
>>>   
>> Better is easier, but not absolutely necessary.  How do you know it's

>> a 100Hz sweep?  But the completely uncalibrated sweeps are difficult 
>> to use for frequency.  Usually the sweep speeds are in steps, X 
>> seconds/division, and you just count the number of divisions and 
>> multiply/divide.  They're not uncalibrated.
>> But if it's an unmarked knob you'd only normally use that for 
>> waveform
>> 
>
>   
>> quality.
>>
>> 140 Hz is very close to C#3 on a piano.  Compare it by ear?
>> Feed signal to a tuner?  (Cheap frequency counter.)  My Fluke DMM 
>> does
>> 
>
>   
>> Hz on AC.
>>
>> -- Jim
>>
>>
>>
>> ___
>> http://www.okiebenz.com
>> For new and used parts go to www.okiebenz.com To search list archives

>> http://www.okiebenz.com/archive/
>>
>> To Unsubscribe or change delivery options go to:
>> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
>
>
> ___
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Re: [MBZ] Oscilloscope

[winmutt]

That is the fundamental problem with this scope. No grid. If you look at 
the pics you can see the vintage


-Rolf

Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:

Can you measure the time between peaks?  Usually there is a grid on the
screen and the horizontal axis it time.  Hz equals cycles per second, so
if you can determine the time between peaks then some math will tell you
how many Hz you are measuring. 


Are you sure this is an oscilloscope and not some other device like a
signal generator?  More pix please of the whole front and all the
controls!

Max

-Original Message-
From: mercedes-boun...@okiebenz.com
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of Rolf Martin-Hoster
Sent: Thursday, September 10, 2009 6:43 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Oscilloscope

Seconds? Division? Thats fancy talk. When I mean antique I mean Korean? 
war. Here are some pics.


http://winmutt.com/images/scope/

I did think about using AC 60hz as a calibration.

Pretty sure the CRT on this thing will give you cancer if you stand
infront of it heh.

Thanks.

-Rolf

Jim Cathey wrote:
  
I need to figure out if I am generating a 140hz signal with an 
antique of a scope. Scope does not have any fancy setting like time.

It is a navy relic. How do I go about measuring the frequency? I have
  


  

a signal showing 3 cycles with 100hz sweep. Do I need a better scope?
  
Better is easier, but not absolutely necessary.  How do you know it's 
a 100Hz sweep?  But the completely uncalibrated sweeps are difficult 
to use for frequency.  Usually the sweep speeds are in steps, X 
seconds/division, and you just count the number of divisions and 
multiply/divide.  They're not uncalibrated.

But if it's an unmarked knob you'd only normally use that for waveform



  

quality.

140 Hz is very close to C#3 on a piano.  Compare it by ear?
Feed signal to a tuner?  (Cheap frequency counter.)  My Fluke DMM does



  

Hz on AC.

-- Jim



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Re: [MBZ] Oscilloscope

[Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310]

Can you measure the time between peaks?  Usually there is a grid on the
screen and the horizontal axis it time.  Hz equals cycles per second, so
if you can determine the time between peaks then some math will tell you
how many Hz you are measuring. 

Are you sure this is an oscilloscope and not some other device like a
signal generator?  More pix please of the whole front and all the
controls!

Max

-Original Message-
From: mercedes-boun...@okiebenz.com
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of Rolf Martin-Hoster
Sent: Thursday, September 10, 2009 6:43 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Oscilloscope

Seconds? Division? Thats fancy talk. When I mean antique I mean Korean? 
war. Here are some pics.

http://winmutt.com/images/scope/

I did think about using AC 60hz as a calibration.

Pretty sure the CRT on this thing will give you cancer if you stand
infront of it heh.

Thanks.

-Rolf

Jim Cathey wrote:
>> I need to figure out if I am generating a 140hz signal with an 
>> antique of a scope. Scope does not have any fancy setting like time.
>> It is a navy relic. How do I go about measuring the frequency? I have

>> a signal showing 3 cycles with 100hz sweep. Do I need a better scope?
>
> Better is easier, but not absolutely necessary.  How do you know it's 
> a 100Hz sweep?  But the completely uncalibrated sweeps are difficult 
> to use for frequency.  Usually the sweep speeds are in steps, X 
> seconds/division, and you just count the number of divisions and 
> multiply/divide.  They're not uncalibrated.
> But if it's an unmarked knob you'd only normally use that for waveform

> quality.
>
> 140 Hz is very close to C#3 on a piano.  Compare it by ear?
> Feed signal to a tuner?  (Cheap frequency counter.)  My Fluke DMM does

> Hz on AC.
>
> -- Jim
>
>
>
> ___
> http://www.okiebenz.com
> For new and used parts go to www.okiebenz.com To search list archives 
> http://www.okiebenz.com/archive/
>
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Re: [MBZ] Oscilloscope

[Rolf Martin-Hoster]

Seconds? Division? Thats fancy talk. When I mean antique I mean Korean? 
war. Here are some pics.


http://winmutt.com/images/scope/

I did think about using AC 60hz as a calibration.

Pretty sure the CRT on this thing will give you cancer if you stand 
infront of it heh.


Thanks.

-Rolf

Jim Cathey wrote:
I need to figure out if I am generating a 140hz signal with an 
antique of a scope. Scope does not have any fancy setting like time. 
It is a navy relic. How do I go about measuring the frequency? I have 
a signal showing 3 cycles with 100hz sweep. Do I need a better scope?


Better is easier, but not absolutely necessary.  How do you know
it's a 100Hz sweep?  But the completely uncalibrated sweeps are
difficult to use for frequency.  Usually the sweep speeds are
in steps, X seconds/division, and you just count the number
of divisions and multiply/divide.  They're not uncalibrated.
But if it's an unmarked knob you'd only normally use that
for waveform quality.

140 Hz is very close to C#3 on a piano.  Compare it by ear?
Feed signal to a tuner?  (Cheap frequency counter.)  My Fluke
DMM does Hz on AC.

-- Jim



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Re: [MBZ] Oscilloscope

[Jim Cathey]

I need to figure out if I am generating a 140hz signal with an antique 
of a scope. Scope does not have any fancy setting like time. It is a 
navy relic. How do I go about measuring the frequency? I have a signal 
showing 3 cycles with 100hz sweep. Do I need a better scope?


Better is easier, but not absolutely necessary.  How do you know
it's a 100Hz sweep?  But the completely uncalibrated sweeps are
difficult to use for frequency.  Usually the sweep speeds are
in steps, X seconds/division, and you just count the number
of divisions and multiply/divide.  They're not uncalibrated.
But if it's an unmarked knob you'd only normally use that
for waveform quality.

140 Hz is very close to C#3 on a piano.  Compare it by ear?
Feed signal to a tuner?  (Cheap frequency counter.)  My Fluke
DMM does Hz on AC.

-- Jim



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Re: [MBZ] Oscilloscope

[OK Don]

"Calibrate" with 60Hz AC for a reference?

On Wed, Sep 9, 2009 at 7:40 PM, Rolf Martin-Hoster  wrote:

> I need to figure out if I am generating a 140hz signal with an antique of a
> scope. Scope does not have any fancy setting like time. It is a navy relic.
> Hos do I go about measuring the frequency? I have a signal showing 3 cycles
> with 100hz sweep. Do I need a better scope?
>
> -Rolf
>
> --
> OK Don
> Pair of W124 300D 2.5 Turbos
>
>
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[MBZ] Oscilloscope

[Rolf Martin-Hoster]

I need to figure out if I am generating a 140hz signal with an antique 
of a scope. Scope does not have any fancy setting like time. It is a 
navy relic. Hos do I go about measuring the frequency? I have a signal 
showing 3 cycles with 100hz sweep. Do I need a better scope?


-Rolf

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