Products > Test Equipment

External power for hand held meters?

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hostile:
I wish they made an adapter for external power on DMM like the Brymen and Fluke handheld meters.  Anyone seen as such or made their own?   Just seems like it would be nice to use one as a bench meter and leave on for long periods of time. 

themadhippy:
 can of safety  worms waiting to be opened.

coromonadalix:
Gossen  on the 28 and 29s  have ac-dc isolated adapters ...

Some here had integrated  huge battery pack  under their meter with the charge circuitry

But some meters  whatever you put for supply power, will simply shutdown,  some meters can change this in the menu settings  ...


I have such a pack for the Fluke 189, with 4x  C type battery it can go up to 400 hrs  but never tried that


And yes you open some dark doors  if not done properly  for ground insulation   

Jeroen3:
Flukes scopemeter 123 has one. It is a weird thing because a standard DC barrel isn't deep enough in the enclosure for the high common mode voltage of the circuits you could be measuring.

TomKatt:

--- Quote from: themadhippy on February 08, 2023, 03:17:09 pm --- can of safety  worms waiting to be opened.

--- End quote ---
I'd rather invest in more batteries than give up the protection that isolated equipment provides...

But I could see the desire for low voltage bench work...   How about some rechargables?

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