This symbol indicates that mishandling as a result of failure to comply with the indications can
result in “personal death or serious injury”
Denotes general ban or prohibition
General mandatory action
Additional information which is important to the text or useful/ convenient to know
Refer to operation manual
Do not reuse
Serial No.
Catalog number
Number on the left is the lower limit and the one on the right is the upper limit of the
temperature
Number on the left is the lower limit and the one on the right is the upper limit of the humidity
The number on the left is the lower limit and the one on the right is the upper limit of the
atmospheric pressure
EU Battery Directive
WEEE symbol
Avoid direct sunlight
This is the type B equipment
Symbol for “MANUFACTURER”
Symbol for Compliant with CE marking i.e. with applicable European directives
This way up
Manufacturing date (year)
This manual includes the information about basic operation, inspection and maintenance etc. of
AKR550.
This device and the contents of this manual comply with IEC60601-1.