Symbols Safety
1 - 12 Operator’s Manual of Anesthesia System
SYMBOL DESCRIPTION SYMBOL DESCRIPTION
Caution! Warnings
Temperature limitation Humidity limitation
Keep dry
Atmospheric pressure
limitation
This way up
Fragile, handle with
care
Recyclable
Stacking limit by
number
Ambient: temperature
range
Ambient: humidity
range
Electrical: alternating
current (AC)
Electrical: internal
battery
Electrical:
equipotentiality
Electrical: protective
earth (ground)
Electrical: fuse or circuit
breaker
Video signal port
Electrical: powered-on Electrical: powered-off
Electrical: input/output
Gas flow: flow control
knob
Pipelined gas supply Gas cylinder
Gas Outlet Gas Inlet
Maximum value Minimum value
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