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Title: Hantek 2d42 calibration [Print this page]

Author: mostorer Time: 2020-4-23 02:24
Title: Hantek 2d42 calibration
Hi all. Is there a way to force a scope channel offset (as a calibration) ?

Scope switched on for a few minutes, run "Calibration" from menu and, at the end of the process, CH1 GND coupled is not aligned with its 0 reference (see attachment). CH2 is perfectly 0 aligned.What can I do ?

Author: mostorer Time: 2020-4-24 14:10

Hi there. No one with the same issue or (better) a possible solution ?

Author: Rado Time: 2020-5-3 16:34
Edited by Rado at 2020-5-3 16:36

Hi I have the same problem, I'm trying to solvi it from more than a month! Aliexpres send me refund , the seller says there is no problem , but for me it is problem! I try everithing they sen to me latest firmware but the problem is still present! There is video https://www.youtube.com/watch?v=5kbehOV4-dE&t=42s

Author: amy Time: 2020-5-25 14:01
Please scan the QR code on the back of the oscilloscope to download the latest software and install, and now use the "Checkupdate" to update the firmware.
Hope to solve your problem.

Author: mostorer Time: 2020-6-3 20:47

amy replied at 2020-5-25 14:01
Please scan the QR code on the back of the oscilloscope to download the latest software and install, ...

Hi Amy, something happened.
After updating FW and FPGA as you wrote and automatica calibration, the Gnd coupling is correctly aligned to 0, while DC and AC coupling always has an offset.
Please, look at the attached pictures.

Author: amy Time: 2020-6-17 16:55
Sorry to reply you so late.
Please check whether there is the offset when the time base is 1us, DC and AC coupling.

Author: any1ne Time: 2020-6-18 20:51
My 2C42 has exactly the same problem.
https://youtu.be/LusruVUlZxc

Author: 李继春 Time: 2021-1-6 16:39

mostorer replied at 2020-6-3 20:47
Hi Amy, something happened.
After updating FW and FPGA as you wrote and automatica calibration, th ...

看过你反映的情况后，我特地校准了我的2D72，我的非常准确，没有一点电位偏移量。

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