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Next Generation of Pico Automotive Scopes (Read 46,051 times)
Ward Zintel
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Re: Next Generation of Pico Automotive Scopes
Reply #15 - Sep 19th, 2014 at 8:08pm
 
I was going to point out that the independent floating grounds would actually be a nice thing. I always make a point of grounding all my leads at battery neg. anyway. If anyone buys one and finds the floating inputs too annoying, I will gladly trade my lightly used 4423 with them (just sayin'). Don't expect too many takers on that offer though. -Ward- Smiley
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JNelson
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Re: Next Generation of Pico Automotive Scopes
Reply #16 - Sep 19th, 2014 at 10:12pm
 
I am second in line for that deal behind you, Ward.
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Tom Roberts
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Re: Next Generation of Pico Automotive Scopes
Reply #17 - Sep 20th, 2014 at 8:46am
 
busjockey wrote on Sep 19th, 2014 at 8:08pm:
Any other features that make this  scope stand out?


The 200v input is nice. 

The connect detect is also may be useful but does not work with all signal probing like O2.

It does have more power under the hood with the 250M memory and the 100MHz ADC for each channel.  Keep in mind that my performance comments earlier were based on early software versions (the first build didn't even see all of the memory in the scope).  Remember when they made the 4423 scopes streaming 10x more powerful with a free software upgrade?  Just sayin...could happen.  But, as I always say, never buy a tool for what it might do in the future.  Buy only for what it does now.

The floating inputs must be mentioned again.  No more ground loops.  Floating ground sensors can now be measured using a single channel (and still use other channels).  Keep in mind the ground potentials need to be kept within about 30v of each other.  Not something you'll need every day but nice when you do.

For those that want one of these, I think we are getting the entire first production run for the continent in a couple of weeks.  So supplies will be limited at first.  Brian has the web pages up now so you can make a pre-order and get in line.  When production ramps up, the supply chain will be smoother.  Most of that we are getting are kits.  Very few single scope units.

But for those that already have a 4423, it's surely not a must have.  It's different but not THAT much of an advantage.
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Chad Austin
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Re: Next Generation of Pico Automotive Scopes
Reply #18 - Sep 21st, 2014 at 8:01pm
 
Not sure if its is something I'm doing wrong but some times when I have 2 low amp clamps hooked up to my 4423 I see noise in the signal unless I hook up an addition lead so I can ground the scope. It doesnt happen often but enough for it to come to mind.

I now have a whole list of questions.
Would this noise be present on the new scope since you cannot ground all channels with just one lead?

Are the attenuators made by a different company as the old ones were black rectangles and the new are blue cylinders?

Do the new scope leads have a permanent ground lead or still removable?  Seems like they would just make them permanent to prevent people hooking things up wrong.

Does this scope take away the need for a differential probe for testing under 200V?

Thanks
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Re: Next Generation of Pico Automotive Scopes
Reply #19 - Sep 22nd, 2014 at 1:29am
 
for those aussies who have purchased scopes from Tom, was there any custom duties and gst that you need to pay considering the value is over $1000?

i'm now really considering to purchase my first pico to replace my carman vg scope.
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Re: Next Generation of Pico Automotive Scopes
Reply #20 - Sep 22nd, 2014 at 5:47am
 
sidmann wrote on Sep 22nd, 2014 at 1:29am:
for those aussies who have purchased scopes from Tom, was there any custom duties and gst that you need to pay considering the value is over $1000


Yes there is about 10% plus what UPS adds to the top of that.
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Tom Roberts
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Re: Next Generation of Pico Automotive Scopes
Reply #21 - Sep 22nd, 2014 at 8:39am
 
Chad Austin wrote on Sep 21st, 2014 at 8:01pm:
I hook up an addition lead so I can ground the scope


That is something we have always recommended.

Chad Austin wrote on Sep 21st, 2014 at 8:01pm:
Would this noise be present on the new scope since you cannot ground all channels with just one lead?


The sort answer is no.

Chad Austin wrote on Sep 21st, 2014 at 8:01pm:
Are the attenuators made by a different company as the old ones were black rectangles and the new are blue cylinders?


We have not put our hands on one of these yet.  They are different.  These are 10:1 and, from what I understand, provide added input impedance raising it to 10MegOhm.  For those rare circumstances when the 1 MegOhm impedance might pull down a sensitive signal.

Chad Austin wrote on Sep 21st, 2014 at 8:01pm:
Do the new scope leads have a permanent ground lead or still removable?


Permanent.

Chad Austin wrote on Sep 21st, 2014 at 8:01pm:
Does this scope take away the need for a differential probe for testing under 200V?


Nope.  The channel ground differentials should be kept within 30V.
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Re: Next Generation of Pico Automotive Scopes
Reply #22 - Sep 22nd, 2014 at 9:50am
 
Thanks Tom,

Can't wait to see what new thing this scope is capable of. My 4423 does almost everything I need except every once in a while I need more channels.
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Re: Next Generation of Pico Automotive Scopes
Reply #23 - Sep 23rd, 2014 at 6:21pm
 
sidmann wrote on Sep 22nd, 2014 at 1:29am:
for those aussies who have purchased scopes from Tom, was there any custom duties and gst that you need to pay considering the value is over $1000?


Customs duty, import duty and GST on top of the lot.
When it arrives in Melbourne or Alexandria (depending on which freight company it's despatched with, I regularly use FedEx).

When it arrives they will send you notification of the amount.
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Re: Next Generation of Pico Automotive Scopes
Reply #24 - Sep 26th, 2014 at 10:00am
 
Tom Roberts wrote on Sep 16th, 2014 at 10:13am:
The main operational difference is the independent floating inputs.  Grounds are not common so all channel grounds must be attached.  This does allow you to place a channel across a signal without disrupting another channel or causing a ground loop.  So, completely different hookup logistics.


Tom,
Wouldn't the Differential Oscilloscope Probe serve the same purpose? Or is the DOP just for High Voltage protection for the scope?
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Tom Roberts
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Re: Next Generation of Pico Automotive Scopes
Reply #25 - Sep 26th, 2014 at 10:57am
 
Jeff Gouveia wrote on Sep 26th, 2014 at 10:00am:
Wouldn't the Differential Oscilloscope Probe serve the same purpose?


Yes it would, for the channel it is attached to.  No 30v limit there.
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Re: Next Generation of Pico Automotive Scopes
Reply #26 - Sep 26th, 2014 at 11:33am
 
Tom,

When you guys get in some of the new scopes could you see if one of the older scopes and the new ones will run at the same time.  In essence eight channels.

It would not be synced unless on a single trigger event but maybe another reason to pick up a new one for the folks thinking about it.

If I remember correctly the Pico software can be used with multiple scopes as long as they were different models.  I have successfully ran a 212, 3K and 4K at one time, but that was only with one scope in streaming with my relic PC stuff.

Sam
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Re: Next Generation of Pico Automotive Scopes
Reply #27 - Sep 26th, 2014 at 1:07pm
 
jarvissamuel wrote on Sep 26th, 2014 at 11:33am:
could you see if one of the older scopes and the new ones will run at the same time.


Yes, that works.  You can run a 4423 and a 4425 at the same time on the same PC using two instances of PicoScope.
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Re: Next Generation of Pico Automotive Scopes
Reply #28 - Sep 27th, 2014 at 8:23am
 

Update:

The latest release and beta PicoScope versions now support the 4425.
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Re: Next Generation of Pico Automotive Scopes
Reply #29 - Sep 28th, 2014 at 12:15am
 
Hey Tom im definitely keen on one of these new picos, I would be after the quad lite kit. any idea on the availability yet and costs all up with shipping to NZ? I think I sent a email through the usual contact section of the website already also. Definitely keen to get on the pico wagon, my handheld 2channel has one bung channel so only good for one channel and is proving to be a real holdback. Thanks in advance.
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