Dave Plumpe wrote in message
m...
Not only do they remember where Zero is, they even keep track of any
movement that occurs while they're turned off. Smart little devils.
I find myself more & more reaching for the digital ones for the ease of
swapping between inches & millimeters.
-Dave
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"N_Cook" wrote in message
...
I've never used the new-fangled ones - do you have to do a clean jaws,
close
jaws, zero calibration check/0 reset ,every time you use them ? as the
count
must be lost each time it is switched off
An engineer told me never close the jaws of a micrometer or vernier calipers
for storage, leave the jaws open slightly. Do these digitally things require
the jaws closing before switching off ? How do they know of any movement of
the jaws when switched off elsewise?