Operation Manual

English

“90” (tachymeter scale figure) x 2 (km or mile) = 180 km/h or mph

“90” (tachymeter scale figure) x 0.5 (km or mile) = 45 km/h or mph

1 Use the stopwatch to measure the

time required to complete 1 job.

2 Tachymeter scale indicated by

STOPWATCH second hand gives

the average number of jobs

accomplished per hour.

To measure the hourly rate of operation

[ Ex. 1 ]

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

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

“180” (tachymeter scale figure) x

1 job = 180 jobs/hour

STOPWATCH

second hand:

20 seconds

▲

Tachymeter

scale: “180”