Seiko 7T52 - Page 9

Engsh
14
\_\
/“nuIn,‘
l2)
To measure
the hourly
rate of operation
180 (
Ta¢|'\Vm9teT
scale gure) X 15 "abs
at 20
seconds
position
I
>
The tachymeter IS extremely useful in
calculatmg factory 00
, b h
operation
efciency or machine
production amount. = 2'7 1° S per
ou
Ex. 1)
Use the stopwatch
to measure the time required to
~...;lq’?;;.,é‘\
\
complete
one jOb.
\
I
"\
lfittakes20
seconds, thestopwatch second handindicates ADJUSHNG
THE HAND POSITION
“' “180"
on the tachymeter scale. This h
n
:/7 7
meanst at 180 l°b$
If the
stopwatch
hands
do not
return
to "0"
position
when
the stopwatch
will
be accomplished
in one hour
aw
' - I
is
reset, follow
the
procedure
below
to
reset
the hands.
\*{.§;;-;i§.¢"/
180
( Tachymeter
scale figure
at 20 seconds position )
X 1 lob = 180
Jobs
,,</»‘:'j':\'§*,\
Ex.
2)
Use the
stopwatch to determine how many jobs are
accomplished
in a specnc period of time
B , /* t
/"*"
Q
|
‘~1.~\
/':% \_” \\
"-Iiblii
<3
{'55-2:2
If 15
jobs are completed in 20 seconds,
m ul-tiply "180", the
\‘?,,‘
4633*"
figure on the
tachymeter
scale
indicated by the stopwatch
"~91
-2!"
'
second
hand, by 15. Thus, it is estimated
that 2,700
jobs
will
be accomplished in one hour.
A
g
——Crown
(Second
click)
L
@
@
Us~15.8
15