Battery check

[Hutch]

Pottering about in the garage today, and I decided to check the battery voltage on my spare caravan battery.
Using a multi meter. 13.9 volts, strange thought I.checked my motorcycle battery, 13.6 volts. , This is weird.

Back to basics, take the battery out of the multi meter and fit a new battery, measured the old PP3 battery, and it was reading, 5.3 volts, instead of 9 volts ISH.
Rechecked spare caravan battery, 12.6 volts, Motorcycle battery 12.7 volts.
My spare multi meter is in the caravan. If I had it at home I could have cross checked the multi meters.

Just something to think about.

 

[ProfJohnL]

Pottering about in the garage today, and I decided to check the battery voltage on my spare caravan battery.
Using a multi meter. 13.9 volts, strange thought I.checked my motorcycle battery, 13.6 volts. , This is weird.

Back to basics, take the battery out of the multi meter and fit a new battery, measured the old PP3 battery, and it was reading, 5.3 volts, instead of 9 volts ISH.
Rechecked spare caravan battery, 12.6 volts, Motorcycle battery 12.7 volts.
My spare multi meter is in the caravan. If I had it at home I could have cross checked the multi meters.

Just something to think about.

That is a sign of a poorly designed multimeter. I'll bet it wasn't a Fluke , or if it was it was faulty.

 

[Hutch]

It was a Gunsons, pocket meter 2, 4142.
No battery check position, I cannot afford a Fluke meter and unfortunately I didn't condemn one from work before I retired. 🥴but being an retired engineer I should replace the batteries every 6 months , or so.