Seiko CAL. 7T94 User Manual download pdf (Page 13)

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.

Ex. 1

STOPWATCH

second hand:

20 seconds

Tachymeter scale: “180”

“180” (tachymeter scale figure) x 1 job

= 180 jobs/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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Seiko CAL. 7T94 User Manual Page 13