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Calibration for Hantek 2D72 ?

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Post time 2021-3-11 01:28:15 | Show all posts
The DC voltage for the DMM portion is reading 5.01v when it should be reading 5.00v. I have a DMM calibrated DC source, and also comparing it to a known good Fluke DMM. I realize this is not a large difference, but it would be beneficial to have the 2D72 DMM closer calibrated. I have only tested the 2D72 DMM DC voltage functions so far. The Scope portion appears to work well. Is ther an adjustment port on the 2D72's PCB that I could adjust to bring the meter into better calibration?
Thank-you.

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Post time 2021-3-11 01:36:47 | Show all posts
Lane replied at 2021-3-11 01:28
The DC voltage for the DMM portion is reading 5.01v when it should be reading 5.00v. I have a DMM ca ...

The DC voltage for the DMM portion is reading 5.01v when it should be reading 5.00v. I have a DMM calibrated DC source, and also comparing it to a known good Fluke DMM. I realize this is not a large difference, but it would be beneficial to have the 2D72 DMM closer calibrated. I have only tested the 2D72 DMM DC voltage functions so far. The Scope portion appears to work well. Is ther an adjustment port on the 2D72's PCB that I could adjust to bring the meter into better calibration?
Thank-you.

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Post time 2021-3-11 13:57:22 | Show all posts
Yes, I had realized the specifications, but is there an adjustment pot on the PCB that could be used to bring it closer and calibrate it?
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