Sauron
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Tektronix 3052B Oscilloscope
A close associate is using a 3052B 'scope and has asked me to help him source the batteries for it.
Tektronix wants $500 each for the three batteries required. Ouch! Not to mention a one month delivery lead time.
Anyone have any details on what the specs might be? OEM, V, mAh, that sort of thing?
There must be a more cost effective way to power this scope.
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YT2095
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http://energy.ece.uiuc.edu/equipment/tds3000_service.pdf
have a wade through here, it May help.
Bingo! http://www.trs-rentelco.com/manual/TEK_TDS3BAT_Manual.pdf
[Edited on 25-4-2008 by YT2095]
\"In a world full of wonders mankind has managed to invent boredom\" - Death
Twinkies don\'t have a shelf life. They have a half-life! -Caine (a friend of mine)
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not_important
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Three batteries? Thought it took a single NiCd pack, and will run off of mains power about anywhere in the world.
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Sauron
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It is to be operated in a location with no mains power.
The batteries I am talking about are Li-ion, not NiCd. I inderstand charger is seperate, not built in as with the NiCd.
Interesting that the NiCd pack was 12 V 4400 mAh. Obviouly that is 10 1.2 V 440 mAh cells strapped together.
Which is more info than I had before.
I assume he needs three batteries so he can run the scope at remote location for 12 hours or so.
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YT2095
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personally, I say Car batt and some croc clips 
failing that, get a UPS, you can run all sorts of those too.
\"In a world full of wonders mankind has managed to invent boredom\" - Death
Twinkies don\'t have a shelf life. They have a half-life! -Caine (a friend of mine)
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not_important
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If they want to use Li-ion of a low volume form factor , it's going to cost them multiple appendages.
I'd seriously consider getting an inverter to provide AC, and run that off the cheapest battery choice they have. A lead-acid battery and sine wave
inverter will cost less than half of one of the product specific batteries. The only reason to go with multiple battery packs is the absolute need for
maximum portability and minimum space taken up.
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Sauron
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The real explanation is a contractor who obviously thinks the client has a deep pocket and wants to get him to shell out for expensive batteries.
Thus far he has rejected all suggestions to employ a portable generator, or the battery power from an automobile (via a cigaretter lighter type
adapter.) I have seen portable GCs run that way So why not an oscilloscope?
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not_important
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Should have said the project had "green" requirements, the contractor will be required to lug about several square meters of photovoltaic panels to
recharge batteries with. Alternatively they could used one of the bicycle derived peddle-power generators for recharging. And BTW the client will be
checking to see that the green power requirement is being met.
Be worth the battery cost to see the contractor pumping away for 6 hours a day recharging batteries.
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Sauron
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The specific Tektronix part number is:
Tektronix TDS3BATC Battery Pack, Lithium-Ion (TDS3BATC is a direct replacement for the TDS3BATB providing the same features and capabilities as the
TDS3BATB.)
$495 each.
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franklyn
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Won't this do
http://www.yamahagenerators.com/yamaha_generator_ef1000is_pr...
http://www.amazon.com/Yamaha-000-Watt-Portable-Generator-EF1...
http://www.hondapowerequipment.com/Products/modeldetail.aspx...
These are only an example I'm sure there are cheaper units available
http://www.amazon.com/gp/offer-listing/B000QUZEBO/ref=dp_olp...
http://www.amazon.com/gp/product/B000QUZEBO/ref=olp_product_...
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MagicJigPipe
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$500 a piece? It would be cheaper to buy a small generator and power it with that (then you would have a generator you could do other things with)!
Is that not an acceptable option in your friend's case?
However, now that you know the specs, do you think he would be willing to "rig" something up? It shouldn't be that hard even with basic electronics
knowledge.
I do stuff like that all the time out of necessity but I'm sure you won't need any instruction. It may not look very good but it will save him
~$1450.
[Edited on 4-25-2008 by MagicJigPipe]
"There must be no barriers to freedom of inquiry ... There is no place for dogma in science. The scientist is free, and must be free to ask any
question, to doubt any assertion, to seek for any evidence, to correct any errors. ... We know that the only way to avoid error is to detect it and
that the only way to detect it is to be free to inquire. And we know that as long as men are free to ask what they must, free to say what they think,
free to think what they will, freedom can never be lost, and science can never regress." -J. Robert Oppenheimer
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Sauron
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A small portable generator was my very first suggestion, but the idea was rejected as being too electrically noisy for the application (spectrum
analysis of firearms signatures with sound suppressors).
The people have apparently never heard of filters or power conditioners.
Well, they are in a primitive benighted place (Arkansas.)
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franklyn
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R U Serious ,
Use a pocket digital recorder in the field , then sample the recording at your
leisure at home base. The yamaha produces 47 Decibels, about that of the
sibilant wisper of your underworld connection, the bird chatter will be louder
than that. As for electrical noise, these things are brushless and the equal
of a computer uninterruptible power supply, which is another alternative.
http://www.apc.com/products/family/index.cfm?id=23
http://catalog.belkin.com/IWCatProductPage.process?Product_I...
http://catalog.belkin.com/IWCatProductPage.process?Product_I...
Batteries ( not manufacturers replacement part ) are cheap enough
to stack, so nature boy can commune in silence all afternoon.
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MagicJigPipe
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Sauron, I should feel insulted as I grew up in Arkansas. Strangely I'm not because it's true (at least outside of Little Rock).
LR is good though. That's probably just because it's my home town but other than the meth scare I love it.
I apologize about making the generator suggestion again because, I admit, I did not read the entire thread.
Franklyn, what do you mean by "nature boy"? Are you trying to imply that anyone working with firearms is some sort of "redneck" or just anyone who
lives in Arkansas?
If so, I find that extremely judgemental and in poor taste.
[Edited on 4-25-2008 by MagicJigPipe]
"There must be no barriers to freedom of inquiry ... There is no place for dogma in science. The scientist is free, and must be free to ask any
question, to doubt any assertion, to seek for any evidence, to correct any errors. ... We know that the only way to avoid error is to detect it and
that the only way to detect it is to be free to inquire. And we know that as long as men are free to ask what they must, free to say what they think,
free to think what they will, freedom can never be lost, and science can never regress." -J. Robert Oppenheimer
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Sauron
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They were talkinbg about supposed electrical noise, I regard that as just an excuse to insist on these stupid batteries.
A UPS is generally an array of SLAs with an interter and yes I am sure they could use one, I know for a fact they make large ones as I used to have
(in my office) about a dozen 1 KVA UPS we sold to the Mass Communications Authority of Thailand.
At 220 V these will put out 4 hours @ 1 A.
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not_important
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| Quote: | Originally posted by MagicJigPipe
...what do you mean by "nature boy"? ...
[Edited on 4-25-2008 by MagicJigPipe] |
An old term that is very roughly equivalent to "hippie", similar term was "nature nut". Someone wanting to stay away from urban civilization, out in
the wilds without manmade noises. Also used to indicate a naturalist/nudist.
There was a boy
A very strange enchanted boy
They say he wandered very far, very far
Over land and sea
A little shy and sad of eye
But very wise was he
-- Eden Ahbez, a nature boy himself
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Sauron
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Ah. I remember that song.
It seems to me that R.Goulet or A.Williams popularized that one in the U.S.
[Edited on 26-4-2008 by Sauron]
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