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ra-ma:
Hi all!

I do currently have the HP34401A as bench DMM which is a great tool. Unfortunately I can't place it well on my bench as I don't have sufficient bench/rack depth. That means it's never in front of me but rather very far left/right occupying space on the bench and looking to it at a very angle and not good to reach. Therefore I'm not using it as often as I'd like and rather use a handheld DMM which I can place in front of me.

What I'm missing by that handheld is a nice big display like the Keysight 34461A or a Siglent SDM3055 have. As my eyes aren't getting better and functions like histograms would come in handy I'm looking for something with an LCD.

In regards to bench/rack depth I can place easily a Rigol DS1054Z which is 12cm deep. A few more cm wouldn't be an issue but most DMMs are some 28 cm deep.

What I found already are:

Keysight EDU34450A: Form factor would fit nicely. Huge display. Unfortunately some functions like histogram not available which 34461A or SDM3055 do have. Not sure what firmware updates will bring. The reviews I've seen so far are not completely positive.
OWON XDM1041: Other end of the price scale. Form factor would fit but from an overall quality/function point of view it's not what I'm looking for.

Any hints or ideas?

coppercone2:
once you use a 34401A alot the other meters are annoying. Seriously handheld dmm?

i recommend you try your luck at some kind of carpentry magic. Half the time even if I have a portable application I want to bring a extension cord and a 34401A instead of a handheld. I should make it battery powered

tautech:

--- Quote from: ra-ma on December 07, 2021, 07:38:22 am ---In regards to bench/rack depth I can place easily a Rigol DS1054Z which is 12cm deep. A few more cm wouldn't be an issue but most DMMs are some 28 cm deep.

--- End quote ---
Sounds like your shelf is 200mm max where if you can move it away from the wall some an instrument can still sit on it even if its feet are hanging over the front and rear of the shelf.
When things are this tight 90o IEC leads are a must however the is another simple solution which only involves screwing a piece of plywood onto the shelf just large enough to accommodate the footprint of the larger instrument.
In some cases if the larger instrument has a rearward weight bias screwing down the plywood is barely even necessary.
For a SDM3055 on 240mm shelves I did exactly this ^^^ with less than 50mm front plywood overhang.

Fungus:

--- Quote from: ra-ma on December 07, 2021, 07:38:22 am ---OWON XDM1041: Other end of the price scale. Form factor would fit but from an overall quality/function point of view it's not what I'm looking for.

--- End quote ---

What functions do you need that are missing.


--- Quote from: coppercone2 on December 07, 2021, 08:35:44 am ---Seriously handheld dmm?

--- End quote ---

Hioki DT4282 is supposedly like a bench DMM in a small box.  :)

The big disadvantage of handhelds is of course that they need batteries and can't simply be left on all day. Is this a factor?

ra-ma:
...should have posted a picture at the beginning for such a topic.  :D

My "lab" is actually in the basement. And I'm happy to have some space. Making the shelf deeper wouldn't actually be a problem - but the table below is only 60cm deep. Means if the shelf is 30cm deep it's almost in my face.  :) I thought about making the table deeper but then I start blocking the walkthrough...

With the thumb on my folding rule I'm indicating here 30cm, the depth of the 34401A.

What you see is that there's a possibility to put it to the top shelf somehow using the window but if you measure on the table and you have to look that much upwards every time...

Open for ideas!

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