How to know when to change battery in multimeter

On my multimeter, the voltage readings get inaccurate over time due to battery discharge. My meters all use 9 volt batteries.

How can I tell when to change out the batteries?


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Sounds like time to change the multimeter instead!


Phil Hobbs

(A fan of Tektronix DMM916s from eBay)

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Phil Hobbs

On Fri, 9 Dec 2022 13:30:07 -0800 (PST), AK wrote as underneath :

Have you tried one of the lithium rechageable PP3 / 6F22 , they have inbuilt BMS which switches out the battery for protection when it gets to about 6V. The EBL ones do this. C+

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