Products > Test Equipment
7.5 digit bench DMMs comparison
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tomud:

--- Quote from: elecdonia on January 31, 2023, 07:15:28 pm ---Although I am one digit short of 7.5, I remain quite satisfied with the performance and features of my HP 3456A 6.5 digit digital multimeter.

--- End quote ---

You have to ask yourself if you really need 7 1/2 digits or more. I know that such a multimeter looks nice. However, you have to spend a lot and take care of calibration from time to time to make it make sense (this generates additional expenses).

IMHO, if someone asks about the price and is afraid of high costs, to be honest, they probably don't need such accuracy. I think that for amateur applications, 6 and 1/2 digits are enough (even that is usually too much). For example, the mentioned KS34465A.

If someone needs such a multimeter, it is enough to review the technical data of multimeters from reputable companies and he will know whether it will work in the projects he performs...
EEVblog:

--- Quote from: tomud on February 01, 2023, 03:06:16 am ---
--- Quote from: elecdonia on January 31, 2023, 07:15:28 pm ---Although I am one digit short of 7.5, I remain quite satisfied with the performance and features of my HP 3456A 6.5 digit digital multimeter.

--- End quote ---

You have to ask yourself if you really need 7 1/2 digits or more. I know that such a multimeter looks nice. However, you have to spend a lot and take care of calibration from time to time to make it make sense (this generates additional expenses).

IMHO, if someone asks about the price and is afraid of high costs, to be honest, they probably don't need such accuracy. I think that for amateur applications, 6 and 1/2 digits are enough (even that is usually too much). For example, the mentioned KS34465A.

If someone needs such a multimeter, it is enough to review the technical data of multimeters from reputable companies and he will know whether it will work in the projects he performs...

--- End quote ---

Agreed. Rarely does anyone need more than a 6.5 digit meter, and you are paying a real premium to get it. So better off to use that extra money saved to buy another piece of kit.
coromonadalix:
+1  and  the calibration pricing ....
iMo:

--- Quote from: EEVblog on February 01, 2023, 10:51:01 am ---..
Agreed. Rarely does anyone need more than a 6.5 digit meter, and you are paying a real premium to get it. So better off to use that extra money saved to buy another piece of kit.

--- End quote ---
Yep, do buy the second and third 6.5 digit meter off the saved money then (as people do say you want 3 meters to be sure)  :D :D
tomud:

--- Quote from: imo on February 01, 2023, 11:26:37 am ---
--- Quote from: EEVblog on February 01, 2023, 10:51:01 am ---..
Agreed. Rarely does anyone need more than a 6.5 digit meter, and you are paying a real premium to get it. So better off to use that extra money saved to buy another piece of kit.

--- End quote ---
Yep, do buy the second and third 6.5 digit meter off the saved money then (as people do say you want 3 meters to be sure)  :D :D

--- End quote ---

For most, two is enough to have a dilemma which multimeter tells the truth  :-DD
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