Products > Test Equipment
Decent benchtop multimeter for beginner?
Muttley Snickers:
--- Quote from: Mahagam on August 20, 2024, 07:47:32 am ---
--- Quote from: uargo on August 20, 2024, 07:20:02 am ---I have found what I think may be the best value for money, at least in Europe.
Owon XDM3051, 5.5 digits, 150 readings/s, precision 0.015±0.004
And all this for 415€ with taxes included. What do you think?
--- End quote ---
It looks very, very strange, but the accuracy of this DMM is fully consistent with Siglent SDM3055. Absolutely the same values for all parameters! How is this possible?
Maybe they were just rewritten from a competitor's datasheet so as not to look worse?
--- End quote ---
I'm yet to understand how some people even attempt to compare a brand such as Siglent with Owon, it's too silly for words so I won't even bother. ::)
SIGLENT >>> SUPPORT >>> SERVICE >>> SUPERIOR.
OWON >>> LILLIPUT >>> A FANTASY LAND.
uargo:
I'm not comparing anything, I'm just trying to answer the purpose of this thread, instead of rambling about whether my multimeter is more accurate than yours, or who has a bigger one.
Kleinstein:
Aiming for the specs that a main competitor offers is not such an exception. Quite a lot of 6.5 digit meters have specs very similar to the HP34401. They kind of set the standard.
The specs for a meter are also more like limits that they think they are compftable with. Especially for the long term drift part there is no measurement or definitive way to tell what specs a given meter should get. Its only the TC and linearity part that can be checked relatively easy. It usually takes many years before it turns out if a meter usually is more stable or tends to drift more than expected.
Another point is that often similar (or in part identical) parts are used, so one ends up with similar specs. These modern 5.5 digit usually use a bandgap reference and SD ADC chip which leads to a best range of some 2 V, that usually offers high impedance.
At least the SDM3055 uses a relatively good ADC chip, that others may as well use for 6.5 digits.
Mahagam:
--- Quote from: Kleinstein on August 20, 2024, 08:53:13 am ---Quite a lot of 6.5 digit meters have specs very similar to the HP34401. They kind of set the standard.
--- End quote ---
"Similar" is not "the same".
Owon specs is absolutely the same as for Siglent. For every type of measurement and for every range.
KungFuJosh:
--- Quote from: Mahagam on August 20, 2024, 09:03:23 am ---"Similar" is not "the same".
Owon specs is absolutely the same as for Siglent. For every type of measurement and for every range.
--- End quote ---
Some people get paid to copy and paste. 🤷
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