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'[EE]: DMM reccomendation?'
2004\04\18@154753 by Randy Glenn

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Hi all,

I'm part of a group putting together an undergraduate Electronics lab,
and we're looking at what kind of DMM to get. We've got a budget, so
we've been looking at more affordable stuff (i.e. not Tek or Agilent).

Does anyone have any reccomendations as to what kind of benchtop DMMs
would be appropriate? Right now, we're looking at the Instek GDM-8246 -
anyone have any experiences with their equipment?

Thanks,

-Randy Glenn
Computer Engineering and Management III, McMaster University
Chair, McMaster IEEE Student Branch

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2004\04\18@214739 by Shawn Wilton

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Fluke.  If you can't afford Tek.  Stay away from Agilent.


Shawn Wilton
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Randy Glenn wrote:
{Quote hidden}

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2004\04\19@012210 by Russell McMahon

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> Stay away from Agilent.

Why?

       RM

                   (If you can't afford a Dodge, dodge a Ford :-) )

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2004\04\19@024012 by Shawn Wilton

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Call it insider info.


Shawn Wilton
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Russell McMahon wrote:
{Quote hidden}

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2004\04\19@044113 by Russell McMahon

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> >>Stay away from Agilent.

> > Why?

> Call it insider info.

Nope. Sorry. Not good enough. if you're going to floccinaucinihilipilificate
a quality manufacturer that produces products the equal of those from anyone
else on earth, then you need to say why. Now Hewlett Packard, the Darth
Vader of the HP empire, you're allowed to criticise without qualification.
But Agilent, as a bastion of the good side of the force, you need to be more
eloquent about.

Seriously though, HP, now represented in the meaningful stakes by Agilent,
just about invented the quality test equipment market, and there's no
doubting their technical capability or ability to produce quality product.
They may fall down occasionally, but I'm yet to be convinced that they are
making a habit of it. When somebody pleads "insider info" one is liable to
suspect inside-Tek or inside Fluke or mother-duck syndrome (only used a
brand xxx for the last 5 years). When considering ability to produce a
quality product I'd rate Tek and Agilent tops and Fluke as a very promising
Johny-come-lately. (Others will of course disagree :-) ).

So, what's so terrible (apart from price) about the products of one of the
world's top-equal electronic instrument makers that you would recommend that
nobody buy their products ???????????????????

FWIW: I have no association with Agilent whatsoever. I don't even own any of
their test equipment, although I have used much of it in the past. The last
instrument that I bought was a Tec. And I would unreservedly recommend that
anyone who values value for money over product lifetime consider never
buying a Hewlett Packard (as opposed to Agilent) printer. I am personally
resolved to never buy an HP printer again and recommend the same to others
for as long as they continue their present rapacious consumables policy.



       Russell McMahon

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2004\04\19@051020 by Alan B. Pearce

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>> Stay away from Agilent.
>
>Why?

Agilent seem to have lost the plot in recent years. I don't have experience
with their recent DMM's, but a colleague has a recent scope of theirs, and I
much prefer my Tek TDS 2000 & TDS3000 series, except for the memory size.
Other items from Agilent don't seem as nice either.

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2004\04\19@064552 by hael Rigby-Jones

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>-----Original Message-----
>From: Alan B. Pearce [KILLspamA.B.PearceKILLspamspamRL.AC.UK]
>Sent: 19 April 2004 10:09
>To: RemoveMEPICLISTTakeThisOuTspamMITVMA.MIT.EDU
>Subject: Re: [EE]: DMM reccomendation?
>
>
>>> Stay away from Agilent.
>>
>>Why?
>
>Agilent seem to have lost the plot in recent years. I don't
>have experience with their recent DMM's, but a colleague has a
>recent scope of theirs, and I much prefer my Tek TDS 2000 &
>TDS3000 series, except for the memory size. Other items from
>Agilent don't seem as nice either.
>

Interesting.

Virtualy all our test instruments are Agilent/HP and they generaly stand out
head and shoulders above the rest, both in in terms of functionality and
support.  My biggest grumble would be some of the more complex instruments
have confusing deeply nested menus which take a bit of getting used to.

Regards

Mike




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2004\04\19@082504 by Russell McMahon

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> >> Stay away from Agilent.
> >
> >Why?
>
> Agilent seem to have lost the plot in recent years. I don't have
experience
> with their recent DMM's, but a colleague has a recent scope of theirs, and
I
> much prefer my Tek TDS 2000 & TDS3000 series, except for the memory size.
> Other items from Agilent don't seem as nice either.

Interesting. When I was tossing up between a bottom end Tek and a bottom end
Agilent scope, someone who had both (actually he had the more capable 3000
series Tek) wrote me a very nice detailed comparison which basically
concluded that the Agilent walked all over the Tek in almost every
situation. He said that he almost always used the HP and got the Tek out
only very occasionally when it's features happened to be a better match. The
Tek has a short buffer but a higher max sample rate and on some high speed
signals will outperform the Agilent.

I ended up buying the Tek on price - I would have loved the Agilent but
decided I didn't really need it at present and could buy one "next time
around" if the Tek proved less capable than needed.


       Russell McMahon

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2004\04\19@095344 by Herbert Graf

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> -----Original Message-----
> From: pic microcontroller discussion list
> [PICLISTEraseMEspam.....MITVMA.MIT.EDU]On Behalf Of Russell McMahon
> Sent: April 19, 2004 04:39
> To: EraseMEPICLISTspamMITVMA.MIT.EDU
> Subject: Re: [EE]: DMM reccomendation?
>
>
> resolved to never buy an HP printer again and recommend the same to others
> for as long as they continue their present rapacious consumables policy.

       What policy is that?

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2004\04\19@100210 by hael Rigby-Jones

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{Quote hidden}

I'm guessing the policy that makes a couple of replacement cartridges cost
more than a new printer.  Then again, Lexmark were the worst offenders for
this IMO.

Mike




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2004\04\19@103954 by Herbert Graf

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> >> resolved to never buy an HP printer again and recommend the same to
> >> others for as long as they continue their present rapacious
> >> consumables policy.
> >
> >        What policy is that?
> >
>
> I'm guessing the policy that makes a couple of replacement cartridges cost
> more than a new printer.  Then again, Lexmark were the worst offenders for
> this IMO.
>
> Mike

       If that's the complaint then blaming just HP would be wrong, they ALL do
this to varying degrees, it's how they make their money. TTYL

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2004\04\19@103955 by Shawn Wilton

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I don't work for either three, but I know people that work there and the
quality of their product and engineering staff has fallen considerably.
 I really can't elaborate on a public list, but if you feel like
emailing me off list, and swear that you won't make my comments public,
then we'll discuss it.  Otherwise you'll simply have to take my word for
it...Sorry.


Shawn Wilton
Junior in CpE
MicroBiologist

Phone: (503) 881-2707
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Russell McMahon wrote:
{Quote hidden}

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2004\04\19@104411 by Spehro Pefhany

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At 03:01 PM 4/19/2004 +0100, you wrote:
>I'm guessing the policy that makes a couple of replacement cartridges cost
>more than a new printer.  Then again, Lexmark were the worst offenders for
>this IMO.
>
>Mike

IIRC, they also use electronic means to prevent refilling of their
cartridges.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
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2004\04\19@105239 by llile

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Fluke 187 is my favorite DMM.  Indestructible, accurate,
no-questions-asked lifetime return policy, and not cheap but decently
competitive, lots of ranges and features, great accessories.  Almost $400.
Mention it in your Will.

The Fluke 73 series is solid, basic, durable, warranteed, and can be
bought for $150 smackers or less.  What more do you want?

I have some insitek equipment and it is pretty cost effective, however not
as durable as the fluke stuff

I .. ah... hate to admit  I had Radio Shack multimeters for a couple of
years.  At $125, it was a very cost effective meter, and had lots and lots
of features, but didn't last more than two years use in a lab before the
testlead sockets snapped off.  If you buy a Radio Shack meter, plan to buy
again.

The RS was actually a re-labeled Metex M3860D.  Metex makes a lot of
cost-effective, feature-rich meters.  I have a Metex M3860D meter at home,
and for low volume use it is a lot of meter for not much money. Transistor
checker, Thermocouple ranges, frequency output and frequency measurement,
a lab in a box.  RS232 output makes it a poor man's datalogger.  In a lab,
it is fragile and has a short warrantee period.  $150

I had an Extech meter that was hard to read, problem-prone, and I sent it
in for warrantee (to KOREA!) and never saw it or my money again.  I hope
you do not consider Extech, with a short warrantee period, poor quality,
tech support from Elbonia, and highway robbery as company policy.  But
they are cheap!

Agilent?  You can have my Agilent scope if you pry it from my cold dead
fingers.  I have nothing bad to say about Agilent.


-- Lawrence Lile
Senior Project Engineer
Toastmaster, Inc.
Division of Salton, Inc.
573-446-5661 voice
573-446-5676 fax




Shawn Wilton <TakeThisOuTshawnKILLspamspamspamBLACK9.NET>
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04/18/2004 08:46 PM
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Fluke.  If you can't afford Tek.  Stay away from Agilent.


Shawn Wilton
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Randy Glenn wrote:
{Quote hidden}

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2004\04\19@105412 by Spehro Pefhany

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At 10:38 AM 4/19/2004 -0400, you wrote:


>         If that's the complaint then blaming just HP would be wrong, they
> ALL do
>this to varying degrees, it's how they make their money. TTYL

Yeah, I was looking at a nice laser printer for something like $799.

It included "starter cartridges" with a *fraction* of the normal capacity.
Replacement cartridges were about $760.00 total for the four (CMYK). Ouch!

OTOH, my Epson Photo 1280 wide-carriage color inkjet likes to gum up if
you don't use it frequently enough, and gobble up another set of $$$ color
cartridges, whereas lasers don't tend to do that.

On the subject matter, I like the HP/Agilent 34401A, but apparently there
are some subtle issues. The VFD display is pretty nice and it has enough
features and accuracy for most purposes at a fairly reasonable cost (about
$1k) for a professional. There are some offshore clones of it (one using
VFD display). The type the OP mentioned is made in Taiwan by "Good Will"
and uses LED displays. The clones tend to be around half the cost or so
of the original, depending.

Maybe my company should start importing and supporting one of these types?

Best regards,

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2004\04\19@110655 by Alan B. Pearce

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>Fluke 187 is my favorite DMM.  Indestructible, accurate,
>no-questions-asked lifetime return policy, and not cheap but
>decently competitive, lots of ranges and features, great
>accessories.  Almost $400.  Mention it in your Will.

Agreed. I have one of these and a couple of the predecessor 87-VI. These
were my original thought when I saw the original request.

However in the OP environment I suspect they would walk on a regular basis.
They would need to be tied to the bench, preferably by a stainless steel
halyard about a half inch thick.

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2004\04\19@111317 by Alan B. Pearce

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The OP may like to look at the Keithley range of gear. I have a 2400
Sourcemeter and a 2700 DVM, but I suspect these are way over spec'd for what
is required. Both items can be GPIB driven, and have more digits of accuracy
than anyone except a calibration lab is normally likely to need. Keithley
are always worth a look for an out of the ordinary instrument as they have
purposely set out to fill niche gaps in the instrument market that the "big
guys" don't work at.

Check with their rep anyway and see what they can give as discounts,
especially if you are looking at getting enough to fit out a lab. I suspect
you could probably get a clutch of 2700 series machines for very reasonable
price.

http://www.keithley.com/main.jsp

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2004\04\19@134753 by Dwayne Reid

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At 02:39 AM 4/19/2004, Russell McMahon wrote:

>  I am personally
>resolved to never buy an HP printer again and recommend the same to others
>for as long as they continue their present rapacious consumables policy.

I suspect that you are lumping all their printers into one category.

But don't forget about their laser printers - I think that they are better
than just about just about anything else available.  And operating costs
are reasonable, especially when purchasing refurbished cartridges.

dwayne

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2004\04\19@134754 by Dwayne Reid

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At 01:50 PM 4/18/2004, Randy Glenn wrote:
>Hi all,
>
>Does anyone have any reccomendations as to what kind of benchtop DMMs
>would be appropriate? Right now, we're looking at the Instek GDM-8246 -
>anyone have any experiences with their equipment?

I've only used a few pieces of Instek test equipment but they seem
fine.  Reasonably robust but not to Tek or HP standards.

I am seriously considering one of their function generators for my bench.

dwayne

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2004\04\19@144618 by Jason S

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Fluke makes decent DMMs and doesn't screw their customers on printer ink.
It seems like a good reason to avoid HP for non-printer items where you have
the option of buying from a non-printer maker.

I do have an HP inkjet printer, and I refill the ink.  The printer is 2
years old with 5000 pages on it and I'm only on the 3rd original ink
cartridge (they do wear out after about 5 refills).

Jason

From: "Herbert Graf" <.....mailinglist2@spam@spamEraseMEFARCITE.NET>

>         If that's the complaint then blaming just HP would be wrong, they
ALL do
> this to varying degrees, it's how they make their money. TTYL

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2004\04\19@145448 by Spehro Pefhany

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At 11:49 AM 4/19/2004 -0700, you wrote:
>Fluke makes decent DMMs and doesn't screw their customers on printer ink.
>It seems like a good reason to avoid HP for non-printer items where you have
>the option of buying from a non-printer maker.
>
>I do have an HP inkjet printer, and I refill the ink.  The printer is 2
>years old with 5000 pages on it and I'm only on the 3rd original ink
>cartridge (they do wear out after about 5 refills).
>
>Jason

The point is moot anyhow, as (HP CEO) Carly Fiorina spun off the test
instruments division as "Agilent" some time ago.

So, Hewlett-Packard doesn't make DMMs or oscilloscopes any more.

Best regards,

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2004\04\19@185622 by Russell McMahon

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Here's a response from my friend Ken Mardle re my comments on the quality of
HP products.
Ken runs a very capable electronic development company which uses a large
range of test equipment.


       RM


______________________________

Russell,

Concur wholeheartedly on all points.

We have HP, Tek, Philips/Fluke, and Wavetek gear (plus some other more
specialised stuff).

Agilent make the best general purpose DMM (the HP34401A).  Nothing else come
close.  Their low-end Arb (HP33120A) is less impressive and I understand now
has a bigger brother.

Overall Tek make the best scopes (but have a stupid philosophy re add-ons
and interfaces).  HP try very hard and in a couple of instances overtake Tek
with extra features but IMHO the basic scope engine is not as good.  Le Croy
make some very nice scopes too but you need deep pockets.  Tek make some
very nice high-end logic analysers but very little else that I would be very
interested in.  Agilent have by far the widest and deepest product range in
all other categories (except handheld stuff).

Philips/Fluke make some very nice handheld gear (although in my experience
their flagship Scopemeter products have been a great disappointment).  We
have a Philips/Fluke logic analyser which is in everyday use and while now
rather elderly was once far and away the best logic analyser in its class.

I have four HP printers and suspect their marketing guru probably learned
his trade selling crack cocaine  - get em hooked with a $99 engine and then
charge more than that for each set of cartridges.  Then when after-market
people start to take some of the action embed technologies in the cartridges
which cannot cost-effectively be duplictaed and hike the price even further.
Sad thing is they are very nice printers, and I have never seen much
evidence that the printers from the other guys in the game are substantially
cheaper to run.

You also forgot to mention that most of HP's software for the office
products is a cruel joke.  The software for the their scanner I have at home
(can't remember the model) is almost usable, but that for the G85 combo we
have at work is completely useless  - so much so that it now is only used as
a stand-alone fax machine.

Regards,

Ken Mardle

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2004\04\19@211021 by Robert L Cochran

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Actually I need a quick course on how to use a multimeter. I bought an
Extech handheld multimeter (slim yellow thing with separate test leads)
and lost the directions that came with it. The Extech web site didn't
even offer PDF files of the directions for their products! When I
contacted them asking for help, they sent me an email saying "...[it]
may be here..." and pointing to a URL which turned out to be broken.

I'll have to replace the multimeter some day. Trust me, it won't be an
Extech.

Our Laserjet 6P put in great service when my wife was writing her
doctoral dissertation until the week the dissertation was due. She
started printing the first copy of the final dissertation -- 360+ pages.
Suddenly, huge smears of a sticky black rubber-like substance streak the
reverse side of each page! We stopped the print job and replaced the
toner cartridge. The streaks continue to appear! We remove the toner
cartridge and replace it with a third cartridge. Streaking still
appears! My wife is now in a panic. It is Monday, the dissertation is
due on Thursday. I go to CompUSA and look for laser printers but cannot
find one that is networkable (built-in LAN.) Meanwhile my wife internet
searches and comes up with a Samsung ML-1651N. She buys it and arranges
for next day delivery. I set it up for her and we print the required
number of copies of the dissertation successfully.

The Laserjet is inherited by me and for over a year I did nothing about
the streaks which continued with every print job. Then one day last
summer I heaved a sigh, disconnected the printer, and start looking
closely at the rear paper guide. There was a metal roller with 3 badly
deformed "wheels" made of what looks like the substance that is
streaking. I posted a question to an HP user forum and a helpful person
there provided me a parts list, a schematic diagram, and a URL for
ordering the parts. Cost me $39 and I had to disassemble much of the
printer to get at this one part. But that stopped the streaks from printing!

Bob



Russell McMahon wrote:

{Quote hidden}

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Greenbelt, Maryland, USA
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2004\04\20@042406 by Alan B. Pearce

face picon face
> Philips/Fluke make some very nice handheld gear (although in my experience
> their flagship Scopemeter products have been a great disappointment).  We
> have a Philips/Fluke logic analyser which is in everyday use and while now
> rather elderly was once far and away the best logic analyser in its class.

Would agree with this. The other point I find is that the Philips originated
items (those with a PM model number) don't suit my mental gymnastics in
working out how to operate them. These seem to be designed in the European
plant. The models that seem to be American designed suit me much better. I
find this occurs with other instruments of European origin as well. There is
a definite difference in the thinking pattern required to drive the European
designed stuff I find. This is NOT a critiscm of any Europeans, members or
non-members of this list, just a personal observation that I find. Others
may well find that they have no problems in this area.

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2004\04\21@094332 by llile

flavicon
face
Kiethley makes great stuff,  Don't bother with any of their Data-aq boards
that go inside a PC, though.  We used to have two computers and three
boards, so one of them could be in the shop all the time getting fixed.


-- Lawrence Lile
Senior Project Engineer
Toastmaster, Inc.
Division of Salton, Inc.
573-446-5661 voice
573-446-5676 fax




"Alan B. Pearce" <RemoveMEA.B.PearceEraseMEspamKILLspamRL.AC.UK>
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04/19/2004 10:14 AM
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       cc:
       Subject:        Re: [EE]: DMM reccomendation?


The OP may like to look at the Keithley range of gear. I have a 2400
Sourcemeter and a 2700 DVM, but I suspect these are way over spec'd for
what
is required. Both items can be GPIB driven, and have more digits of
accuracy
than anyone except a calibration lab is normally likely to need. Keithley
are always worth a look for an out of the ordinary instrument as they have
purposely set out to fill niche gaps in the instrument market that the
"big
guys" don't work at.

Check with their rep anyway and see what they can give as discounts,
especially if you are looking at getting enough to fit out a lab. I
suspect
you could probably get a clutch of 2700 series machines for very
reasonable
price.

http://www.keithley.com/main.jsp

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2004\04\21@095920 by llile

flavicon
face
>Actually I need a quick course on how to use a multimeter. I bought an
Extech handheld multimeter

Here is how to use your new Extech multimeter:

1.  Take the meter out of the box and carefully insert the test leads into
the test lead sockets.

2. Assuming you actually got two test leads, and one of them is actually a
different color than the other, match the color of the test lead to the
color of the socket.  If you did not recieve test leads, go to Radio Shack
and buy some.

3. Squint at the display, and wave the VOM around in the light until you
can finally read the display without  ghosting, since it has about 2
degrees viewing angle.  If you still can't read the display, go to Radio
Shack and buy a little flashlight that might help.

4. Assuming you can read the display, replace the battery because it has
no doubt already gone flat.  Go to radio shack and buy a battery.

5. Squinting at the display again with a fresh battery, short the test
leads together.  Assuming you recieved at least one test lead from Extech,
note that the test leads don't make continuity.  Throw the defective test
lead away, go to radio shack and buy another test lead.

6. Turn on the meter, and notice the battery has gone flat again.  Return
to Radio shack and buy another battery.

7. Finally we are ready to use your new Extech meter.  Here is what you
do:  Place the meter on a firm, flat surface, cock back your right leg,
and strike the meter firmly and briskly with your right toe.  Step firmly
on the top of the case until you hear a satisfying crunching sound.  If
any parts are still whole, you may need to pound them with a large hammer
or squeeze them between vise jaws.  Propane torches can also be useful
here.  Now go to radio shack or your favourite online retailer and get
another meter, any brand besides Extech.

There, that was easy!



-- Lawrence Lile





Robert L Cochran <EraseMEcochranbRemoveMEspamSTOPspamSPEAKEASY.NET>
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       To:     spamBeGonePICLISTspam@spam@MITVMA.MIT.EDU
       cc:
       Subject:        Re: [EE]: DMM reccomendation?


Actually I need a quick course on how to use a multimeter. I bought an
Extech handheld multimeter (slim yellow thing with separate test leads)
and lost the directions that came with it. The Extech web site didn't
even offer PDF files of the directions for their products! When I
contacted them asking for help, they sent me an email saying "...[it]
may be here..." and pointing to a URL which turned out to be broken.

I'll have to replace the multimeter some day. Trust me, it won't be an
Extech.

Our Laserjet 6P put in great service when my wife was writing her
doctoral dissertation until the week the dissertation was due. She
started printing the first copy of the final dissertation -- 360+ pages.
Suddenly, huge smears of a sticky black rubber-like substance streak the
reverse side of each page! We stopped the print job and replaced the
toner cartridge. The streaks continue to appear! We remove the toner
cartridge and replace it with a third cartridge. Streaking still
appears! My wife is now in a panic. It is Monday, the dissertation is
due on Thursday. I go to CompUSA and look for laser printers but cannot
find one that is networkable (built-in LAN.) Meanwhile my wife internet
searches and comes up with a Samsung ML-1651N. She buys it and arranges
for next day delivery. I set it up for her and we print the required
number of copies of the dissertation successfully.

The Laserjet is inherited by me and for over a year I did nothing about
the streaks which continued with every print job. Then one day last
summer I heaved a sigh, disconnected the printer, and start looking
closely at the rear paper guide. There was a metal roller with 3 badly
deformed "wheels" made of what looks like the substance that is
streaking. I posted a question to an HP user forum and a helpful person
there provided me a parts list, a schematic diagram, and a URL for
ordering the parts. Cost me $39 and I had to disassemble much of the
printer to get at this one part. But that stopped the streaks from
printing!

Bob



Russell McMahon wrote:

> Here's a response from my friend Ken Mardle re my comments on the
quality of
> HP products.
> Ken runs a very capable electronic development company which uses a
large
{Quote hidden}

come
> close.  Their low-end Arb (HP33120A) is less impressive and I understand
now
> has a bigger brother.
>
> Overall Tek make the best scopes (but have a stupid philosophy re
add-ons
> and interfaces).  HP try very hard and in a couple of instances overtake
Tek
> with extra features but IMHO the basic scope engine is not as good.  Le
Croy
> make some very nice scopes too but you need deep pockets.  Tek make some
> very nice high-end logic analysers but very little else that I would be
very
> interested in.  Agilent have by far the widest and deepest product range
in
> all other categories (except handheld stuff).
>
> Philips/Fluke make some very nice handheld gear (although in my
experience
> their flagship Scopemeter products have been a great disappointment). We
> have a Philips/Fluke logic analyser which is in everyday use and while
now
> rather elderly was once far and away the best logic analyser in its
class.
>
> I have four HP printers and suspect their marketing guru probably
learned
> his trade selling crack cocaine  - get em hooked with a $99 engine and
then
> charge more than that for each set of cartridges.  Then when
after-market
> people start to take some of the action embed technologies in the
cartridges
> which cannot cost-effectively be duplictaed and hike the price even
further.
> Sad thing is they are very nice printers, and I have never seen much
> evidence that the printers from the other guys in the game are
substantially
> cheaper to run.
>
> You also forgot to mention that most of HP's software for the office
> products is a cruel joke.  The software for the their scanner I have at
home
> (can't remember the model) is almost usable, but that for the G85 combo
we
> have at work is completely useless  - so much so that it now is only
used as
{Quote hidden}

--
Bob Cochran
Greenbelt, Maryland, USA
http://greenbeltcomputer.biz/

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2004\04\21@130751 by Denny Esterline

picon face
Clearly your fsvorite brand?

-Denny


> >Actually I need a quick course on how to use a multimeter. I bought an
> Extech handheld multimeter
>
> Here is how to use your new Extech multimeter:
>
> 1.  Take the meter out of the box and carefully insert the test leads
into
> the test lead sockets.
>
> 2. Assuming you actually got two test leads, and one of them is actually
a
> different color than the other, match the color of the test lead to the
> color of the socket.  If you did not recieve test leads, go to Radio
Shack
{Quote hidden}

Extech,
{Quote hidden}

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2004\04\21@134142 by Robert Ussery

flavicon
face
>-----Original Message-----
>From: pic microcontroller discussion list [spam_OUTPICLISTspam_OUTspamspam_OUTMITVMA.MIT.EDU]
>On Behalf Of llilespam_OUTspamSALTONUSA.COM


>>Actually I need a quick course on how to use a multimeter. I bought an
>Extech handheld multimeter
<snip>
>7. Finally we are ready to use your new Extech meter.  Here is what you
>do:  Place the meter on a firm, flat surface, cock back your right leg,
>and strike the meter firmly and briskly with your right toe.  Step firmly
>on the top of the case until you hear a satisfying crunching sound.  If
>any parts are still whole, you may need to pound them with a large hammer
>or squeeze them between vise jaws.  Propane torches can also be useful
>here.  Now go to radio shack or your favourite online retailer and get
>another meter, any brand besides Extech.

Yeah, I know what you mean... I thought I was getting a good deal, buying an
Extech Multiview 110 from Jameco for $40. Not so, my friends.

I've got to say that I haven't experienced _any_ of the issues you mentioned
(i.e. poor display, eats batteries, missing test leads, etc.), but I have
had my share of trouble with it. It has a little beeper in it to signal
<10ohms on the ohmmeter, and this sucker sometimes starts randomly beeping
and requires a sharp rap on the case to shut it up. Sometimes, the readings
will drift and jump around for no apparent reason, until the DMM is
rebooted.

OTOH, this DMM fills my needs, and is sufficient for my level of use. It
would seriously suck as a lab meter or a professional tool, but it does fine
in my basement workshop. Beats the heck out of my old RatShak analog meter.

TTYL

- Robert

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2004\04\21@225846 by Robert L Cochran

flavicon
face
That definitely has me laughing!

Bob


RemoveMEllileKILLspamspam@spam@SALTONUSA.COM wrote:

{Quote hidden}

--
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Greenbelt, Maryland, USA
http://greenbeltcomputer.biz/

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2004\04\22@043001 by hael Rigby-Jones

picon face
{Quote hidden}

I have an oldish Radio Shack (Micronta branded) analog meter and it has to
be one of the most usefull instruments I own.  It has a FET input stage so
doesn't load the circuit any more than a DMM would, and has a large scale
for decent resolution (the whole thing is not much smaller than an AVO 8).
It has survived the last 10-12 years of quite heavy use without complaint
(although the needle does sometimes stick to the left of the scale if you
accidently have the test leads reversed when measuring voltage).

Regards

Mike




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2004\04\22@064642 by SM Ling

picon face
what type? for me personally, I need this:

1. auto-power off, the battery money is enough to pay for the dfferences and
save the trouble as well.

2. if I use it in front of client, I use Fluke.  So to save time answering
questions like "what kind of meter is it?  is your meter accurate?"

3. 2 type of fluke - the super easy to use, Fluke 10 series, so I can use my
hand more productivity when measuring.  And one with feature pack so to
reduce the meter-cluster (I have not decided), this I might not need a
fluke, thinking multitech here.

4. get a meter probe kits from pomona.

5. and make yourself more clips to go with your meter, you can use the CD
sleeve to organise them.

Cheers, Ling SM

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2004\04\22@150848 by John Ferrell

face picon face
I have a Metex I bought from Jameco a few years back that I am satisfied
with. I bought it to back up my Fluke 8060(?) which went in for repair. The
Fluke has quit again and the Metex is still going. I shold add that the
Fluke saw many years of toolbag service with IBM before it failed.
I bought a half dozen or so of the $5 Centecs from Harbor Freight that get
used outside the shop. I have also given one to each of those who like to
borrow my tools.

John Ferrell
http://DixieNC.US

{Original Message removed}

2004\04\23@015045 by William Chops Westfield

face picon face
On Thursday, Apr 22, 2004, at 01:28 US/Pacific, Michael Rigby-Jones
wrote:

> I have an oldish Radio Shack (Micronta branded) analog meter and it
> has  to be one of the most usefull instruments I own.

Yes, except for the tendency to wander off, I'd be inclined to
recommend multiple cheap meters over a single fancy one.  I've got a
radio shack analog, two <$10 DMMs, and the analog meters in my benchtop
power supply.  I can treat them in ways I've be afraid to treat
something that cost several hundred dollars.  Sure, they're not as
robust.  But it doesn't matter...

(I am lusting after something with f,L,C and rs232, though...)

BillW

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