Tachymeter [For Models With Tachymeter Scale On The Dial] - Lotus ILMYM92 Manual De Instrucciones

[for models with tachymeter scale on the dial]
TACHYMETER
To measure the hourly average speed of a vehicle
[ Ex. 1 ]
STOPWATCH
second hand:
40 seconds
Tachymeter
scale: "90"
"90" (tachymeter scale figure) x 1 (km or mile) =
Tachymeter scale can be used only when the time required is less than 60 seconds.
Ex. 2: If the measuring distance is extended to 2 km or miles or shortened to 0.5 km or
miles and STOPWATCH second hand indicates "90" on tachymeter scale:
ILMYM92
1. Use the stopwatch to determine
how many seconds it takes to go 1
km or 1 mile.
2. Tachymeter scale indicated by
STOPWATCH second hand gives
the average speed per hour.
90 km/h or mph
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ILMYM92
"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
To measure the hourly rate of operation
[ 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 =
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.
2700 jobs/hour
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