Safety Characteristics Specifications
2 - 6 0070-10-0691 Accutorr Plus Service Manual
2.2 Safety Characteristics
2.2.1 Risk (Leakage) Currents
Enclosure Risk Current (leakage): < 100uA in normal operating conditions
<
300uA in any single fault condition
Patient Source Current: <
10uA in normal operating conditions
<
50uA in any single fault condition
Patient Sink Current: <
50uA
2.2.2 Dielectric Withstand
2500V RMS at 50 or 60 Hz for 1 minute from any patient lead or combination of patient
leads to the chassis.
1500V RMS at 50 or 60 Hz for 1 minute AC mains hot or neutral to the chassis.
2.2.3 Ground Resistance
Ground resistance < 0.1 ohm from the AC mains power inlet module’s ground contact pin
to any exposed metal part, which may become energized when measured per UL 60601
and IEC 60601-1. A ground resistance of up to 0.2 ohm is allowed when measured from
the U-blade of the supplied AC line cord to any exposed metal part, which may become
energized.
2.2.4 Type of Protection Against Electric Shock
Class 1 with internal electric power source. Where the integrity of the external protective
earth (ground) in the installation of its conductors is in doubt, the equipment is operated
from its internal electric power source.
2.2.5 Degree of Protection Against Electric Shock
Monitor – Type B applied part
NIBP – Type BF defibrillation protected applied part
SpO
2
– Type BF defibrillation protected applied part
Protection Against Hazards of Explosion
Not protected (ordinary)
Protection Against Ingress of Liquids
Meets the requirements specified by IEC 60601-1, clause 44.3 and IEC 60601-2-30: Non-
Protected Equipment (IPX1) as specified in EN 60529.
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