speed of a vehicle
• Use the stopwatch to determine
how many seconds it takes to go one
kilometer (or one mile). The
tachymeter scale indicated by the
stopwatch second hand gives the
average speed per hour.
* Please note that the tachymeter scale
can be used only when the time required
is less than 60 second. If it exceeds 60
seconds, shorten the measuring dis-
tance (Refer to “Ex 2” below).
Ex. 1
HOW TO USE THE TACHYMETER
19
(for the models with a tachymeter scale on the dial)
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