User's Manual
EN
6
Why does my blood pressure uctuate throughout the
day?
Individual blood pressure varies greatly both on a daily and
a seasonal or temperature basis. These variations may be
more pronounced in hypertensive patients. Normally the
blood pressure rises while at work and is at its lowest during
sleep.
The graph below illustrates the variations over a single day
with measurement taken every 5 minutes. The thick line
represents sleep time. The rises in blood pressure at 4PM
(A in the graph) and 12AM (B in the graph) correspond to
an attack of pain and sexual intercourse (Beven, Honour &
Stott, Clin. Sci. 36:329, 1969).
HOW THE BLOOD PRESSURE MONITOR WORKS
This product uses the Oscillometric Measuring method to
detect your blood pressure. Before every measurement,
the unit establishes a “zero pressure” equivalent to the air
pressure.
Then it starts inating the wrist cuff to 180mmHg or higher
until it senses that it has blocked your blood in the artery.
After that, the deation process starts, during which time
the unit detects pressure oscillations generated by beat-to-
beat pulsatile, which is used to determine the systolic, mean
and diastolic pressure, and also your pulse rate. Any motion
during this period will result in an incorrect measurement.
After all readings are determined and displayed on the LCD,
the measurement is nished and the wrist cuff automatically
deates.
GETTING STARTED
INSTALLING AND REPLACING THE BATTERIES
1. Slide off the battery cover.
2. Install the batteries by matching the correct polarity, as
shown below. Always use the correct battery type (2
alkaline LR03 AAA-size).
3. Replace the cover.
NOTE Replace the batteries whenever the weak battery
mark
shows, the display is dim, or the display does not
illuminate when the power is on. Replace all the batteries
at the same time - it is dangerous to mix old and new
batteries.
BPW800_EN_R8.indd 6 2011/6/8 7:07:02 PM