User's Manual

52
The Pulmonary Function Tester（A9）is intended for use in the electromagnetic environment specified
below. The customer or the user of Pulmonary Function Tester（A9）should assure that it is used in such
an environment.
Emissions test
Compliance
Electromagnetic environment - guidance
RF emissions
CISPR 11
Group 1
The Pulmonary Function Tester（A9）uses RF energy only for
its internal function. There for, its RF emissions are very low
and are not likely to cause any interference in nearby
electronic equipment.
RF emissions
CISPR 11
Class A
The Pulmonary Function Tester（A9） is suitable for use in
all establishments other than domestic and those directly
connected to the public low-voltage power supply network
that supplies buildings used for domestic purposes.
Harmonic emissions
IEC 61000-3-2
Not applicable
Voltage fluctuations
flicker emissions
IEC 61000-3-3
Not applicable
Table 2
Guidance and manufacturer´s declaration – electromagnetic immunity
The Pulmonary Function Tester（A9） is intended for use in the electromagnetic environment specified
below. The customer or the user of the Pulmonary Function Tester（A9） should assure that it is used in
such an environment.
Immunity test
IEC 60601
test level
Compliance level
Electromagnetic environment
-guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
± 8 kV contact
± 2 kV, ± 4 kV, ± 8 kV,
± 15 kV air
± 8 kV contact
± 2 kV, ± 4 kV, ± 8 kV,
± 15 kV air
Floors should be wood,
concrete or ceramic tile. If
floors are covered with
synthetic material, the relative
humidity should be at least
30 %.
Electrostatic
transient / burst
IEC 61000-4-4
± 2 kV for power
supply lines
± 1 kV for input/output
lines
± 2 kV for power
supply lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
Mains power quality should be