Products > Test Equipment

have ever you seen multimeter back light change the last counts on the display?

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Gerhard_dk4xp:
I heard about a Tektronix sampling plug in where the trigger LED
affected sampling time or amplitude. A few ps are much there.

Gerhard

ironcurtain:
Did you ever manage to get any firmware update files from OWON?

I have a newer revision but have not had the time (yet) to test if the drift is still present there. It makes sense that a low battery condition might trigger this. Does it happen if you leave it connected to a 5V DC source?

modz786:
Hi OWON is a waste of space, morons and talking with someone that does a lot testing of equipment told me his experience for tech support for donated and paid for out of his pocket that this is the case for not wanting to help they try to always blame operator error and refuse to possible software bugs or hardware issues.

I dont remember if the problem persists with power connected for charging and to what degree if not the same when testing but I will try when I unpack as I moved recently.

If anyone has received firmware from OWON perhaps they could share it on the forum Thanks

ironcurtain:
I will try to put some time aside to test mine, and look around for any firmware files.

modz786:
OK unboxed just now and cold start we read following

5v source (5.00024) in calibration fluke 8840 reading

OWON in Auto V

ambient room temp 25 Celsius

Mid speed

4.9995 backlight off

4.9992 backlight 100%

4.9993 backlight 50%


after warm up 30 mins

4.9990 backlight  0ff

4.9987 backlight 100%

4.9988 backlight 50%

with and without 5v charge results same.

Resistance ranges not affected by backlight

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