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| DMMCheck Plus Multimeter Reference(and other References) - Experiences.. |
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| alm:
--- Quote from: Martin72 on July 11, 2023, 03:40:48 pm ---Ref.Voltage measuring, DC, AC100hz, AC10khz all with the SDS1104X-E from siglent, the SDS2504X HD will soon follow. Have a look at the statistics(at ac, dc was too short)....nice. --- End quote --- Thanks for the measurements. I'm surprised by the droop in the AC 100 Hz signal showing a high pass effect. I'd expect them to generate a square wave at very close to the reference amplitude with the idea that the fewer components contribute to the output signal, the fewer components that can drift. Now any temperature-dependent effect in the coupling capacitor will effect the output. |
| KungFuJosh:
--- Quote from: alm on July 11, 2023, 07:08:03 pm ---Now any temperature-dependent effect in the coupling capacitor will effect the output. --- End quote --- That seems relevant given what claims they made about the new device they're releasing. |
| Martin72:
At the moment my SDS2504HD measure the same signal - without "deforming"... Must investigate this. |
| alm:
--- Quote from: Martin72 on July 11, 2023, 08:14:00 pm ---At the moment my SDS2504HD measure the same signal - without "deforming"... Must investigate this. --- End quote --- The SDS1104X-E was not set to AC coupling, was it? |
| Martin72:
Look at the pics, right side.. Meanwhile I did several measures with the HD, with probe, without probe, everytime fine and looks great, post the pics soon. But now I´m turning the SDS1104X-E on again, want to know what´s going on. ;) |
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