How to calibrate the voltage measurement?

Bri

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!

sagittarius

Select "calibration" in Page3 "calibrate zero" option and then press the "S" to perform the calibration procedure

似水流年

感谢楼主分享