| Products > Test Equipment |
| DT9939 Calibration |
| (1/3) > >> |
| dseyst:
Does anyone know the procedure to calibrate the DC voltage range of this meter? |
| retiredcaps:
How much is your meter out by? |
| dseyst:
Believe it or not, more than my UT61e. It's not so far out that I would consider it a problem, but if I could calibrate it I would. Otherwise I'll live with it. I got it off eBay for under $100 (new). |
| retiredcaps:
What is your voltage reference that you are using? Is the DT9939 within its specification? |
| dseyst:
I'm using one of those cheap AD584-M voltage references.I can list the references and the results fromt the two mentioned meters. I do believe the DT9939 is within specs. REF 2.49923 DT9939 2.4980 UT61E 2.499 REF 4.99852 DT9939 4.994 UT61E 4.998 REF 7.50045 DT9939 7.494 UT61E 7.500 REF 9.99918 DT9939 9.992 UT61E 9.999 |
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