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[Troubleshooting] How to calibrate the voltage measurement?

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发表于 2017-10-5 08:49:07 | 显示全部楼层 |阅读模式
Hi,

I just bought a DS202, and the voltage measurement is off. I have a very accurate voltage source that reads 5.01V DC on my accurate voltmeter, but the DS202 reads something like 4.87. I wouldn’t mind if it was off by ± 0.05V or maybe even 0.1V given that it’s inexpensive, but tolerances for my project are ± 0.25V so I need something with significantly better calibration.

I know there is “auto calibrate,” but how does that work? How does it calibrate? I saw mention of it calibrating zero, but does it also calibrate the scale in any way?

Is my DS202 defective?

Thank you!
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发表于 2017-10-16 09:38:50 | 显示全部楼层
Select "calibration" in Page3 "calibrate zero" option and then press the "S" to perform the calibration procedure
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发表于 2020-10-18 09:54:44 | 显示全部楼层
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