ResMed III ST-A IEC60601-1-2, Compliance, Electromagnetic, Immunity test, environment, test level

Guidance and manufacturer’s declaration – electromagnetic immunity

The VPAP III ST-A is intended for use in the electromagnetic environment specified below. The customer or the user of the VPAP III ST-A should assure that it 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	< 12 V	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	96 V	If the user of the
IEC 61000-4-11	(60% dip in Ut)	(60% dip in 240 V)	VPAP III ST-A requires
	for 5 cycles	for 5 cycles	continued operation during
	70% Ut	168 V	power mains interruptions,
			it is recommended that the
	(30% dip in Ut)	(30% dip in 240 V)	VPAP III ST-A be powered
	for 25 cycles	for 25 cycles	from an uninterruptible
	<5% Ut	<12 V	power source
	(>95% dip in Ut)	(>95% dip in 240 V)
	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.

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