Electronics > Beginners
When do u need a bench multimeter ?
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CatalinaWOW:
For me some of the most important reasons have been mentioned often:  rare battery replacement, display size, and harder to misplace.  And one reason that hasn't been mentioned - they are harder to pull off of the bench when you reach for a test point that is just a bit farther than the lead length.  Not that any of the rest of you ever do that, but it matters to me.
nanofrog:

--- Quote from: CatalinaWOW on April 16, 2018, 04:07:30 am ---...[snip]... they are harder to pull off of the bench when you reach for a test point that is just a bit farther than the lead length.  Not that any of the rest of you ever do that, but it matters to me.

--- End quote ---
Or fall over like a handheld can (especially if the stand isn't that wonderful).  :palm: Rather common IME if the meter isn't repositioned so you're not pulling on the leads.  :-/O

Still, I like handhelds for multiple measurements on the bench as they don't take up as much real estate as bench meters (reposition as needed). For disclosure, I've both a bench and handheld DMM's. For the record, I love the VFD on my bench meter, even when compared to an excellent backlit LCD.
FriedMule:
First if you will avoid wrong information, please ignore my answer:-)

I think that one would never need a bench DMM or in other words, a "cheap" Bench DMM is a normal DMM inside a box + some log, statistic function with a price that can give you a fantastic handheld DMM.
Unless you sell your kidney, one leg and your mother, then you can get higher precision, faster update and higher accuracy.

So you will (as many says) only need one if you need to log your data, measure over extremely long time or find it cool to own one.

The rest of the time, you can get handheld DMM that are allmost as good in most cases.
tautech:

--- Quote from: BrianHG on April 16, 2018, 03:47:46 am ---
--- Quote from: tautech on April 15, 2018, 10:32:06 am ---
--- Quote from: MosherIV on April 15, 2018, 09:33:27 am ---Resolution and accuracy!

You can only get 5.5 or more digit meters as bench meters.

--- End quote ---
Actually no.
New 4 1/2 digit bench DMM's are available.
https://www.siglenteu.com/digital-multimeters/sdm3045x-digital-multimeter/


--- Quote from: Nusa on April 15, 2018, 10:21:36 am ---But if you don't need extreme precision and have adequate vision to read smaller displays, the short answer is that you don't NEED a bench multimeter.

--- End quote ---
Then you've never seen a good bench DMM display that can be seen from meters away. 
Try that with a HH DMM. :P

SDM3055


--- End quote ---
Did you read the sampling speed speck for that bench multimeter?

--- End quote ---
Yep and I prefer the Middle or Slow setting.
Dave:

--- Quote from: Mr. Scram on April 16, 2018, 02:00:43 am ---
--- Quote from: MosherIV on April 15, 2018, 10:38:50 am ---
--- Quote --- Actually no.
New 4 1/2 digit bench DMM's are available.
--- End quote ---
I know!
You can get 4.5 digit meters as hand held OR bench meters.
I have 2 hand held 4.5 digit meters.
I know you can get them as bench meters as well.

As far as I know you can ONLY get 5.5 digit meters as bench meters.
The same is true for 6.5, 7.5 and 8.5 meters.

So my original statement was correct

--- Quote ---You can only get 5.5 or more digit meters as bench meters.
--- End quote ---

--- End quote ---
Your statement was a bit ambivalent as it can be interpreted as "bench meters with less than 5,5 digits don't exist" or "5,5 digits or more are only available in a bench meter".

The BM869S does 5,5 digits in a handheld meter, but only on DC.

--- End quote ---
Gossen Metrawatt make a handheld meter that does 6.5 digits. It's called Metrahit 30M, if you're interested.
The precision, though, leave some to be desired.
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