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Micsig Current Probe CP2100A/B Tests and Comparing

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Martin72:
Hi,

https://www.eevblog.com/forum/testgear/350mhz-scope-2020/msg3056674/#msg3056674

I decided to order one, take it to work and hopefully can directly compare to other probes we use.
100Apk, 2.5Mhz Bandwith….sounds nice.

Price is 375€ (Batronix), well, what do we get from others:

Rigol RP1002C for 1886€

Testec TT-CC990 for 1178€

R&S RT-ZC02 for 898€

Siglent CP4070A for 842€

None of them offers the claimed 2.5 Mhz bandwith, some offer more than 100Apk, some less.
But all got one thing in common:
They were unlikely more expensive.
Therefore, the Micsig is very interesting.
The Micsig, like all other I´ve linked didn´t got a degaussing function, like I know from our tektronix probes but also from the lecroy ap011 probe.
At home I got the Owon CP05+ Probe, for appx 190€ incl. VAT.
Well....hm....Ah, forget it, this thing is crap.
Bandwith is claimed by 200khz, in real it would be something around 100khz, very noisy, you could use this thing from 1A up.
Before I got the Hantek CC-65 Probe....God... :palm:

For it´s price, I expect the Micsig will do a better job than my Owon or Hantek, that´s for sure.
But what about to compare it with "state of the art" probes?
What we got on work are Tektronix Probes and Lecroy Probe.
Chances are given, I can compare the Micsig with them, if Time allows it.
So I would do a comparison between CP2100B, CP05+, A6302, A6303, AP011.

My greatest "fear" would be the noise level.
Using tek probes or the ap011 from lecroy, you have a really low noiselevel - Could the CP2100B have it too ?

Let´s find it out... ;)
Missing degaussing function doesn´t concern me much, more important is the noise.

But first of all, I´ll send a offer request to batronix, it would be 3% off I guess.
But hey, taking all what you can get..

Nevertheless, the probe should arrive within the forthcoming week.

Any test suggestions ? Post it here.
DC current is self explaining, so no worries.
AC current I could measure up to 400hz.
Switching power current upt to say 10...20khz, depending on the DUT I could get on work.

To be continued..

Martin72:

--- Quote ---But first of all, I´ll send a offer request to batronix, it would be 3% off I guess.
But hey, taking all what you can get..
--- End quote ---

No discount at all, but it doesn´t worry me.
When it´s good, then it´s got excellent bang for bucks value(see first post).
If it fails (noise..), I´ll return it and got my money back.
Should arrive in 2 days...

2N3055:

--- Quote from: Martin72 on May 11, 2020, 10:45:43 am ---
--- Quote ---But first of all, I´ll send a offer request to batronix, it would be 3% off I guess.
But hey, taking all what you can get..
--- End quote ---

No discount at all, but it doesn´t worry me.
When it´s good, then it´s got excellent bang for bucks value(see first post).
If it fails (noise..), I´ll return it and got my money back.
Should arrive in 2 days...

--- End quote ---
Looking forward to see how it fares. Thank you for the effort.
For low level testing, few loops of wire and serial 50 Ohm on a signal generator could give interesting signal to see how it behaves down in noise land....

Martin72:
Good idea  :-+

Martin72:
At last, I´ve found some specs for the lecroy ap011 which I want to compare with the micsig - from an old, downloadable catalogue.
(Would upload here because of some interesting articles inside, but it´s too big)
From the spec side, the ap011 looks ( of course ? ) better what accuracy concerns.
But I won´t know the original price for this… 8)
Got the Information from DHL, the probe should arrive on wednesday.
First I will do some tests here at home, like 2N3055 suggest one, together with the owon probe.
After this, I want to take the both to work and trying to find something interesting to measure and compare.


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