Products > Test Equipment

ZEEWEII DSO1511G not showing square at 2mhz when other people's do.

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csuhi17:
Would its quality have deteriorated that much? As a Sigpeak, it was even better quality.
https://youtu.be/qdz101PJ6Oo?si=MCkhs0gscd7Dra_T&t=239

Fungus:
Is the probe switchable?

Is it set to 1x mode?

wasedadoc:

--- Quote from: Fungus on May 09, 2024, 07:56:11 pm ---Is the probe switchable?

Is it set to 1x mode?

--- End quote ---
The OP's second photo shows the scope displaying 'x10'.  If the probe was set to x1, the scope would not be showing the amplitude as a few volts.

slikvik:
Just so you all know....this is the response I got from Zeeweii when trying to return. For you guys in the know, does this make sense:

"Hello, recently we have made a big upgrade to the DSO1511G(The new version has increased memory depth, supports a 6-digit frequency meter and pulse counter, and FFT supports cursor measurements...). The 1.3Mhz~3.3Mhz square wave is not flat enough and only appears in the new version."

Aldo22:
So the problem is with the oscilloscope and not the signal generator?
I'm not experienced enough to judge how bad this is for practical use, but it's certainly not an improvement.

What does it look like at 1MHz?

P.S. Out of curiosity, I took a look at the signal from my Zeeweii SG on the benchtop scope and it looks pretty clean.

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