Seiko 7T62 Instrucciones página 16

To measure the hourly rate of operation
Use the stopwatch to measure
1
the time required to complete 1
job.
2 Tachymeter scale indicated by
STOPWATCH second hand gives
the average number of jobs ac-
complished per hour.
Ex. 2: If 15 jobs are completed in 20 seconds:
"180" (tachymeter scale figure) x 15 jobs = 2700 jobs/hour
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Ex. 1
"180" (tachymeter scale figure) x 1 job
= 180 jobs/hour
STOPWATCH
second hand:
20 seconds
Tachymeter scale: "180"