E-2 Electrical Safety Inspection
E.2 Device Enclosure and Accessories
E.2.1 Visual Inspection
Test Item Acceptance Criteria
The enclosure and accessories
No physical damage to the enclosure and
accessories.
No physical damage to meters, switches,
connectors, etc.
No residue of fluid spillage (e.g., water, coffee,
chemicals, etc.).
No loose or missing parts (e.g., knobs, dials,
terminals, etc.).
E.2.2 Contextual Inspection
Test Item Acceptance Criteria
The enclosure and accessories
No unusual noises (e.g., rattles inside the case).
No unusual smells (e.g., burning or smoky
smells, particularly from ventilation holes).
No taped NOTEs that may suggest device
deficiencies or operator concerns.
E.3 Device Labeling
Check that the labels provided by the manufacturer or the healthcare facility are present and legible.
Main unit label
Integrated warning labels
E.4 Protective Earth Resistance
a. Plug the analyzer probes into the device’s protective earth terminal and the protective earth
terminal of the AC power cord.
b. Test the earth resistance with a current of 25 A.
c. Verify the resistance is less than the limits.
LIMITS
ALL COUNTRIES R = 0.2 Ω Maximum
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