Exhaust
Velocity
1.
The exhaust velocity is Me rate of gradual pressure drop from the pres-
sure applied manually using the rubber bulb.
2, The exhaust condition is displayed in the right portion of the display
from the time of pressurization until the measurement mark starts
flashing.
3.
This unit is adjusted so that the exhaust velocity is 2-5
mmHg
per
second at 150
mmHg.
.
Note: IF
EXHAUST VELOCITY
IS NOT PROPER,
CORRECT
MEASUREMENTS ARE NOT POSSIBLE.
Exhaust Velocity Adjustment
. Perform this adjustment procedure if the exhaust velocity is not within the
proper
range as described above.
l Before exhaust cover
must be removed.
velocity adjustment can be made, small plastic screw
To do this, hold area
@ in the figure, use a small pm
or
nee-
dle, insert into tiny hole on top and flip off
screw cover, then proceed to Step 1
1. Apply the arm Cuff to the left arm and
pressurize to the pressure
60
mmHg
above your
suspected systolic
pressure Hold the area
@ in
and insert a screwdriver into groove
2 ,
If the exhaust
velocity is too fast,
justing
screw
one fraction of a turn to the
left- and if it is too slow, turn adjusting
screw one fraction of a turn to the right,
so that the valve
shown
in the right por-
tion of the display is in the range
2-5
mmHg/s.
3. When the adjustment is completed.
yjusmt
.I
reduce
the pressure and recheck. If the
adjustment
is not proper after one
try,
repeat several times
I
nT
NOTE: ADJUSTMENT MUST BE
MADE
1
5
f
u
WHILE THE CUFF IS EXHAUSTING.
J
ii; Exhaust velocity will differ slightly
de-
pending upon the size of the arm and
Ad’ust
fl;;ue-reasurement
ma
h
.
the method of winding the cuff.
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