Products > Test Equipment
New EEVblog BM786 Multimeter
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J-R:
Yay, a rant thread, nobody ever exaggerates or fibs in those...

Back to something more on topic, after watching Dave's latest video I tested my BM789(05) again with more precision and at 4.500V the 1 minute average current draw was 6.433mA in DCV mode.
AVGresponding:

--- Quote from: JDW on March 10, 2023, 02:18:18 am ---
--- Quote from: J-R on March 10, 2023, 02:04:46 am ---...don't store it longer than a period of time that will cause the batteries to be fully discharged.

--- End quote ---

Based on that comment, we see the reason that "active use" (which for now I shall define is being at least ONCE A WEEK) saves our devices from destruction is because at some point we will see a low battery indication and either change the batteries then or change them when the meter no longer works, thereby preventing a situation where totally dead batteries are left in the device for more than a week.  This would be why "active use" prevents spewed battery guts.

--- End quote ---

All well and good, but these leak-tubes will often start their evil work before the voltage drops enough to give such a warning.
JDW:

--- Quote from: AVGresponding on March 10, 2023, 06:42:04 am ---...these leak-tubes will often start their evil work before the voltage drops enough to give such a warning.

--- End quote ---

Which suggests that even "active use" isn't enough to prevent battery leakage, so I guess we might as well throw in the towel if that is in fact true.
AVGresponding:
I moved to using rechargeables some years ago now. I have a few devices that still have primary PP3s but I'm slowly acquiring Li-ion versions of those too (they aren't cheap so it's slow...)
BillyO:
Use lithiums.  Problem solved.  And yes, they work fine in this meter (and every other meter I have).

Do no use NiMH in this meter.  Their nominal voltage is 1.2V, that is the voltage this meter gives a low battery warning.  Well, you can use them, but you will be doing a lot of charging.
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