Products > Test Equipment
Looking for Benchtop Multimeter - Cheap but good enough
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Martin72:
Hi,

At work I want to create a dedicated place only for testing pcbs.
Most of the components are "fix", for example:

- 4ch scope will be the siglent sds2104xp
- 2ch function generator will be the siglent sdg1032x
- several 4ch supplies from peaktech

But I also want to install some benchtop multimeter, appx 4 pieces.
For our purposes, we don´t need 5,6 or even 7 digits ones.
But what it measure, you should count on it.
So I´m looking for a relative cheap thing, cheap to buy several ones.
But good enough to trust its measures and to calibrate it every year.
Favorite is this siglent :

https://www.welectron.com/Siglent-SDM3045X-Benchtop-Multimeter

Question : Are there other meters nearly as this one, but cheaper ?

pope:
Also interested  :)
tautech:
Martin, before you make any decision I'd urge you to carefully study this thread:
https://www.eevblog.com/forum/testgear/siglent-sdm3045x-enough-is-enough/
mark432:
I recently bought an Owon XDM3041.
It works reasonably well, but I've found some issues:
-USB interface does not work with the latest version of Windows
-Ethernet interface does not work on my network.  If I isolate to just the lab PC and the meter it works.  Some bit of ethernet traffic causes the meter to lock up and require power cycle.
RS232 control works fine.
-Thermocouple measurement needs to warm up for 1/2 hr to be accurate.

As a bench meter it seems to work fine, but if I was going to do a let of test automation, I'd watch out for the issues with USB and ethernet.

I wrote a driver file for Testcontroller, and that works well with serial interface, and an isolated Ethernet interface.

I do like the ability to log to a USB stick, and the graphing and stats.

Hopefully Owon get the USB and Ethernet issues fixed.  I sent them traffic logs of the interface data in both cases, so they should have enough information to fix it.

As far as accuracy, the next best thing I have is a Keithley 179A, and it agrees with that within the expected error.  I have not sent it for calibration.
Martin72:

--- Quote from: tautech on February 28, 2022, 12:36:05 am ---Martin, before you make any decision I'd urge you to carefully study this thread:
https://www.eevblog.com/forum/testgear/siglent-sdm3045x-enough-is-enough/

--- End quote ---

After the first post, it turns into a hack thread... :-//
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