22
9 Key of Symbols
Symbol
Description
%SpO
2
Pulse oxygen saturation
BPM
/
PR
Pulse rate (beats per minute)
PI
%
Perfusion Index (%)
/
Pulse Strength Bar Graph
/
Low battery voltage
CE mark
SN
Serial number
Date of manufacture
Authorised representative in the
European community
Manufacturer
(including
address)
BF type applied part
Attention ─ refer to User Manual