Products > Test Equipment
Lower peak of wave form much thicker than the upper one in Rigol DS1104Z Plus
7AudioBB:
--- Quote from: Fungus on March 17, 2024, 02:23:20 pm ---IIRC this is normal on the calibration signal.
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It happens to any signal from a function generator as well. Also when the probe is not connected and just moving the vertical position, the line gets much thicker close to the bottom of the grid.
RoGeorge:
--- Quote from: 7AudioBB on March 17, 2024, 02:03:31 pm ---Okay, I've got some news. Thanks for all your comments!
I reset everything to default, then did the calibration and the restart, but the issue was still there and the same. With all probes in all channels and with the same probe in all channels too. Then I kept checking the menu and it turns out that when my Acquisition setting is set to 'Normal' I have that thick bottom part. But when I set it to 'High Res', it becomes nice and thin all around, regardless of position. Could this be due to the sample rate? Does this mean my scope is working fine? (Wondering what you set your Acquisition to in your oscilloscope?) Please see images below with 'Normal' vs 'High Res' mode:
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It's a defective oscilloscope, you should return it to the seller.
7AudioBB:
Thanks everyone, I've started a return. I'm not sure I'm gonna get the same type again or even the same brand due to this disappointment. What I also didn't like is the very poor quality rotary encoders. You can't feel them click and they easily jump more than needed or skip one turn. You need to press them in hard as well to select items. Display resolution could be better too.
In case you can recommend a better quality one (with 4 channels and FFT ), please comment here. I'd appreciate it.
2N3055:
--- Quote from: 7AudioBB on March 17, 2024, 04:45:00 pm ---Thanks everyone, I've started a return. I'm not sure I'm gonna get the same type again or even the same brand due to this disappointment. What I also didn't like is the very poor quality rotary encoders. You can't feel them click and they easily jump more than needed or skip one turn. You need to press them in hard as well to select items. Display resolution could be better too.
In case you can recommend a better quality one (with 4 channels and FFT ), please comment here. I'd appreciate it.
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l
Take a look at Siglent SDS800
dobsonr741:
Wow, I would not expect it from Rigol. Are these sellers authorized distributors of Rigol, or perhaps EBay or alike, where factory reject might show up?
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