Products > Test Equipment

Which Bench multimeter to choose?

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BillyO:

--- Quote from: J-R on December 17, 2022, 11:41:27 pm ---The 8050A is a bit out there!

--- End quote ---
In this case yes.

Consider this,  I bought mine in 8+ condition for $35 CDN (about $25 US) and it needed nothing.  It was even within spec.  Would you be more liekly to reccomend such an 8050A to soemone looking for a $25US meter or something like this: https://www.amazon.ca/gp/product/B08L84J9V4/ref  ?

nightfire:

--- Quote from: ElectricPower on December 17, 2022, 03:51:23 pm ---

Btw... in my opinion, Fluke is overprised for personal use.

--- End quote ---
At least with Fluke handhelds, they are designed for rough environments, so the private user will not use all features that have to be paid for. For a private workbench there are agreeably solutions available with better bang for buck.
But in the used segment some old Fluke bench DMMs can still shine, if used correctly- I have a 45 and a 8600a on my bench, and they behave nicely. But you have to look at them closely before buying, because replacements of the display are hard to get. Depending on the requirements, a Fluke 45 still is able to deliver serious performance, when it comes to basic measurements. For the more fancy stuff, modern handhelds are better equipped, and cheaper.

Regarding power consumption: Some handhelds have the possibility to get external power to save batteries- even my old Fluke 8020A had such a connector on the side ;-)

alm:

--- Quote from: nightfire on December 18, 2022, 12:28:20 am ---Regarding power consumption: Some handhelds have the possibility to get external power to save batteries- even my old Fluke 8020A had such a connector on the side ;-)

--- End quote ---
Making it safe while it's sitting 1000V above ground, and not degrade common mode rejection, is what makes this tricky to do well, and is why you rarely see it on good quality modern meters. The Fluke ScopeMeters are a counter example, but at a much higher price than even many bench meters.

Mortymore:

--- Quote from: nctnico on December 17, 2022, 06:03:15 pm ---That will be different if you have a DMM switched on all day, every day. It will deplete a battery pretty quick.

--- End quote ---

That, and on the other extreme, a handheld multimeter left forgotten for some time with batteries fitted, may have them leaking inside.

I adopted a method of placing a sticker on the meters (and other stuff battery powered) with expiration date of the batteries, so I have a clue it they are expected to be good without open the device, but even that didn't kept me away from surprises with some Duracel, leaking years before the date printed on them.

nightfire:
Did you calculate the standby/leakage-power of the device into the lifespan?

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