Products > Test Equipment

Micsig CP1003/CP503 100MHz/50MHz Current Probe

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earthwormjim:

--- Quote from: Martin72 on November 20, 2022, 11:57:25 am ---This is the CP6030 from Siglent(Hioki), nearly same looking but more than fourtimes expensive (2070€ without VAT).
Same claimed accuracy of 1%, but, and this may be the pricedifference, +/-1mA in 5A range, +/-10mA in 30A range.(micsig: 10mA/50mA)

--- End quote ---

The CP6030 is not Hioki.  It is made by Cybertek, Cybertek HCP8030 is the equivalent.  People keep mistakenly attributing these probes to Hioki despite nothing in Hioki's lineup matching.

http://www.cybertek.cn/info/989

Martin72:
Thank you for pointing that out, now some things are making more sense.
Then we also have the 500A current clamp from them, which is really good, I'm looking forward to the "Tek Clone" which should be here next week.
Speaking of which:
Next weekend I'll take a few more measurements, then I'll make the preparations to send it back.
Micsig didn't get back to me after I provided them with info and pictures, also they didn't answer my repeated request for their measurement setup, somewhat unprofessional behavior.
Somehow I am still tempted to test the 50Mhz version, perhaps the 100Mhz is too "ambitious" for the circuit (the entire measuring electronics are in the clamp), but in the moment my motivation is a little bit low. ;)

DaneLaw:

--- Quote from: Martin72 on January 24, 2024, 09:32:42 pm ---Thank you for pointing that out, now some things are making more sense.
Then we also have the 500A current clamp from them, which is really good, I'm looking forward to the "Tek Clone" which should be here next week.
Speaking of which:
Next weekend I'll take a few more measurements, then I'll make the preparations to send it back.
Micsig didn't get back to me after I provided them with info and pictures, also they didn't answer my repeated request for their measurement setup, somewhat unprofessional behavior.
Somehow I am still tempted to test the 50Mhz version, perhaps the 100Mhz is too "ambitious" for the circuit (the entire measuring electronics are in the clamp), but in the moment my motivation is a little bit low. ;)

--- End quote ---

Micsig has a rep here on EEVblog, he is quite a frequent visitor & solid to the bone - when he says something or merely indicates it, he / Micsig certainly delivers... >:D

Martin72:
I can keep the current clamp for a few more days.... 8)

Martin72:
The housing arrived "yesterday" and I have now built myself a better adapter.
I will test it later with the Bodnar pulsers, a short Bode measurement showed no significant differences to my previously built adapter version.
Edit:
As I´ve used the micsig first with this adapter, I´ll connect its usb power cable to my scope insted using the AC adapter.
Not a good idea:
The range button flashes, DC offset about 3V was visible and no other actions possible.
Then changed to the original AC adapter, everything works fine.

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