ResMed 338425/1 manual System Specifications

Guidance and manufacturer’s declaration—electromagnetic immunity

The S8 series of devices is intended for use in the electromagnetic environment specified below. The customer or the user of the S8 device should assure that the device is used in such an environment.

	IEC60601-1-2	Compliance	Electromagnetic
Immunity test			environment—
	test level	level
			guidance
Electrostatic	±6 kV contact	±6 kV contact	Floors should be wood,
discharge (ESD)			concrete or ceramic tile. If
IEC 61000-4-2	±8 kV air	±8 kV air	floors are covered with
			synthetic material, the
			relative humidity should be
			at least 30%.
Electrical fast	±2 kV for power	±2 kV	Mains power quality should
transient/burst	supply lines		be that of a typical
IEC 61000-4-4	±1 kV for input/	Not Applicable	commercial or hospital
			environment.
	output lines
Surge	±1 kV differential	±1 kV differential	Mains power quality should
IEC 61000-4-5	mode	mode	be that of a typical
	±2 kV common	±2 kV common	commercial or hospital
			environment.
	mode	mode
Voltage dips, short	<5% Ut	< 12V	Mains power quality should
interruptions and	(>95% dip in Ut)	(>95% dip in 240V)	be that of a typical
voltage variations on	for 0.5 cycle	for 0.5 cycle	commercial or hospital
power supply input			environment.
lines.	40% Ut	96V	If the user of the S8 device
IEC 61000-4-11	(60% dip in Ut)	(60% dip in 240V)	requires continued
	for 5 cycles	for 5 cycles	operation during power
	70% Ut	168V	mains interruptions, it is
			recommended that the S8
	(30% dip in Ut)	(30% dip in 240V)	device be powered from an
	for 25 cycles	for 25 cycles	uninterruptible power
	<5% Ut	<12V	source.
	(>95% dip in Ut)	(>95% dip in 240V)
	for 5 sec	for 5 sec
Power frequency	3 A/m	3 A/m	Power frequency magnetic
(50/60 Hz)			fields should be at levels
magnetic field			characteristic of a typical
IEC 61000-4-8			location in a typical
			commercial or hospital
			environment.
NOTE: Ut is the AC mains voltage prior to application of the test level.

System Specifications 35