Radiated RF
electromagnet-
ic fields
IEC 61000-4-3
Power frequen-
cy magnetic
field IEC
61000-4-8
NOTE: Immunity tests for Electrical fast transients/ bursts, Surges Line-to-line, Surges
Line-to-ground, Conducted disturbances induced by RF fields, Voltage dips and Volt-
age interruptions are not applicable
18. About Blood Pressure
What is Blood Pressure?
Blood pressure (BP) is the pressure exerted by circulating blood upon the
walls of blood vessels, and is one of the principal vital signs.
Two pressures are measured for a blood pressure reading:
● Systolic blood pressure is a measure of blood pressure while the heart is
beating.
● Diastolic pressure is a measure of blood pressure while the heart is
relaxed.
What is High Blood Pressure?
High blood pressure, also known as HBP or hypertension, is a widely mis-
understood medical condition. Some people think that those with hyperten-
sion are tense, nervous or hyperactive, but hypertension has nothing to do
with personality traits. The truth is, you can be a calm, relaxed person and
still have HBP. Let's look at the facts about blood pressure so you can better
understand how your body works and why it is smart to start protecting
yourself now, no matter what your blood pressure numbers are.
By keeping your blood pressure in the healthy range, you are:
● Reducing your risk of your vascular walls becoming overstretched and
injured.
● Reducing your risk of your heart having to pump harder to compensate
for blockages.
● Protecting your entire body so that your tissue receives regular supplies
of blood that is rich in the oxygen it needs.
The definitions and classification of blood pressure values for adults in
accordance with WHO are listed in below table. Data in mmHg.
10 V/m
80MHz to
2.7GHz
80% AM at
1kHz
30 A/m
50 Hz or
60 Hz
10 A/m
Power frequency magnetic fields
should be at levels characteristic
30 A/m
of a typical location in a typical
50 Hz or
commercial or hospital environ-
60 Hz
ment.
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