Guidance and manufacturer’s declaration – electromagnetic immunity
The VPAP is intended for use in the electromagnetic environment specified below. The customer or the user of the VPAP should assure that it is used in such an environment.
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| Compliance |
| Electromagnetic |
Immunity test |
| environment – | ||
test level | level |
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| guidance | ||
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Electrostatic | ±6 kV contact | ±6 kV contact |
| Floors should be wood, |
discharge (ESD) |
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| concrete or ceramic tile. If |
IEC | ±8 kV air | ±8 kV air |
| floors are covered with |
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| synthetic material, the |
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| relative humidity should be |
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| at least 30%. |
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Electrical fast | ±2 kV for power | ±2 kV |
| Mains power quality should |
transient/burst | supply lines |
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| be that of a typical |
IEC | ±1 kV for input/ | Not Applicable |
| commercial or hospital |
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| output lines |
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Surge | ±1 kV differential | ±1 kV differential |
| Mains power quality should |
IEC | mode | mode |
| be that of a typical |
| ±2 kV common | ±2 kV common |
| commercial or hospital |
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| environment. | ||
| mode | mode |
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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 |
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| environment. |
lines. | 40% Ut | 96V |
| If the user of the VPAP |
IEC | (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 |
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| recommended that the | ||
| (30% dip in Ut) | (30% dip in 240V) |
| VPAP be powered from an |
| for 25 cycles | for 25 cycles |
| uninterruptible power |
| <5% Ut | <12V |
| source |
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| (>95% dip in Ut) | (>95% dip in 240V) |
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| for 5 sec | for 5 sec |
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Power frequency | 3 A/m | 3 A/m |
| Power frequency magnetic |
(50/60 Hz) |
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| fields should be at levels |
magnetic field |
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| characteristic of a typical |
IEC |
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| location in a typical |
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| commercial or hospital |
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| environment |
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NOTE: Ut is the a.c. mains voltage prior to application of the test level. |
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(Continued next page)
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