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Hantek 6022BE 20MHz USB DSO

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Microcheap:
Yeah, after I posted I knew this question was coming, my answer was a bit confusing, sorry.

What I mean is, the input of the scope was design to work continuously with a maximum signal of +/-5V (see manual), the clamping diodes are intended for protection only. For example, if the amplitude of the signal you are analyzing varies or you connect a wrong voltage, temporally, the diodes will clamp it protecting the oscilloscope. If you try to operate the scope continuously with a voltage in the inputs greater than what is specified you will probably damage your equipment.
So, the best way to go is just grab one of those x100 probes and you will be fine.

Seekonk:
f you ever see a nice flat trace with no noise, you are probably clipping. Sure wish the trace would turn a specific color indicating that rather than thinking that is a really great square wave.  A X100 probe is essential.  I damaged one of the inputs. Some day I will open it up.  Oddly, it failed working with much higher gain.  Pretty easy for those flimsy switches to slide to the X1 position.

waste:
Microcheap > thanks for the detailed explanation :)

Seekonk>
I ordered one of these 20x attenuators that hanatek gives, and by connecting it to the 1x probe I will be able to get into this 78Volt signal that I want to look.

If I switch to the 10x probe together with the 20x attenuator, will I get 200x or I will just mess up the resistance calculation done in these parts ? :)

I'm also waiting for a USB isolation port and a 5V 2W DC-DC converter to also protect my old laptop.

playing with scopes (and understanding what they read out) will be my 2019 aim :)


apparentvj:
Hello Richard,

late to the party, I just got my Voltcraft DSO-2020USB and really working on getting it working. Could you tell me more about the differences between models.

tried making a new dso model class in openhantek, but I fail even with VID and PID modifications, there is more. Maybe you could help me out with reversing the original dlls.

thanks a lot RickardK

MarkFalk:
Hello,
I need a little help:
I have bought a used 6022BL for use with RichardK´s Open6022BE.
I downloaded the software from Hantek´s homepage and the Open6022BE.
Due to the Open6022BE-manual (p.12) at first I installed the Hantek-software incl. the original Hantek-driver (OS is Win7 SP1). And here is the problem:
It is explained (Open6022BE-manual p.12f and 6022BL-manual p.6f) that two drivers should be installed - Hantek Driver 1 and Hantek Driver 2. But doesn´t matter what I do - only Hantek driver 2 is installed and also only one time the "found new hardware"-message appears. And so also in the device manager only Hantek driver 2 appears in the "Hantek6022BL"-section, also when enabled "show hidden devices" and also after reboot. No driver 1. What is the reason, any hint how to solve?

Nevertheless the original Hantek-Software ist working, also BasicScope 1.2, but Open6022BE refuses to run with the message that the device is not found, drivers are not installed.
After some research I found the hint that I have to copy the BL-version of HTMarch.dll from the Hantek-software-directory. I did so, now Open6022BE startet, but when increasing the timebase above 20ms the software or the DSO "hangs" - the waveform is displayed and stucks in the left side, no more data acquiring, I have to decrease timebase to 20ms and close the software. Any idea?

Regards, Mark

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