Seiko V657 Manual - Page 10
To measure the hourly rate of operation, scale indicates the average number of jobs
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English To measure the hourly rate of operation: Tachymeter scale: 180 1 Use the stopwatch to measure the time required to complete 1 job. 2 Locate the second marker on the main dial which corresponds to the number of seconds measured. The number on the tachymeter scale indicates the average number of jobs accomplished in one hour. * For the models with the tachymeter scale around the small dial at the 6 o'clock position, read the tachymeter scale which the STOPWATCH second hand points to. STOPWATCH second hand: 20 seconds q Ex. : "180" (tachymeter scale figure) x 1 job = 180 jobs/hour q If 15 jobs are completed in 20 seconds: "180" (tachymeter scale figure) x 15 jobs = 2700 jobs/hour 10
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English
10
To measure the hourly rate of operation:
1
Use the stopwatch to measure the time re-
quired to complete 1 job.
2
Locate the second marker on the main dial
which corresponds to the number of seconds
measured.
The number on the tachymeter
scale indicates the average number of jobs
accomplished in one hour.
*
For the models with the tachymeter scale around the
small dial at the 6 o’clock position, read the tachymeter
scale which the STOPWATCH second hand points to.
●
Ex. :
“180” (tachymeter scale figure)
x 1 job = 180 jobs/hour
STOPWATCH second hand:
20 seconds
Tachymeter scale:
180
●
If 15 jobs are completed in 20 seconds:
“180” (tachymeter scale figure) x 15 jobs
= 2700 jobs/hour