Seiko Y182 Manuel d'utilisateur télécharger pdf (Page 14)

English

To measure the hourly rate of operation

Use the stopwatch to measure

the time required to complete 1

job.

Tachymeter scale indicated by

STOPWATCH second hand gives

the average number of jobs ac-

complished per hour.

STOPWATCH

second hand:

20 seconds

Tachymeter scale: “180”

“180” (tachymeter scale figure) x 1 job

= 180 jobs/hour

Ex. 1Ex. 1

Ex. 2: If 15 jobs are completed in 20 seconds:

“180” (tachymeter scale figure) x 15 jobs = 2700 jobs/hour

MIN.

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Seiko Y182 Manuel d'utilisateur Page 14