Electronic Sphygmomanometer User’s manual
15
13
、
Equipment Symbols
Symbol
Symbol Note
Type BF applied part, without defibrillation protected.
Refer to this user’s manual.
Symbol for the marking of electrical and electronics devices according to
Directive 2002/96/EC
LOT
Batch code
SN
Serial number
IP22
Enclosure degree of ingress protection.
Federal Communications Commission
IPX0
Power adapter
Degree of protection against ingress of liquid
Fragile.
Show transport package contents fragile, so handling should be handled with
care.
Upward.
It shows the correct position of the transport package is upright.
Guard against wet.
Show packages afraid be wet.
Stacking layer limit.
Same packing maximum stacking layers, N represents the number of layers
limit. (N is 6).
14
、
Blood pressure general knowledge
14.1
Definition of blood pressure
Blood pressure is the pressure on the vessel wall side. When the heart is
contracting, the blood pressure is the highest at this time and is called the systolic
pressure. When the heart is relaxing, the blood pressure is the lowest at this time and
is called the diastolic blood pressure.
