SE-1200 Series Electrocardiograph User Manual Cleaning, Care and Maintenance
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13.4.3 Visual Inspection
Perform a visual inspection of all equipment and peripheral devices daily. If you notice any items
that need repair, contact a qualified service engineer to make the repairs.
♦
Check the case and display screen for cracks or other damage.
♦
Regularly inspect all plugs, cords, cables, and connectors for fraying or other damage.
♦
Verify that all cords and connectors are securely seated.
♦
Inspect keys and controls for proper operation.
13.4.4 Maintenance of the Main Unit and the Patient Cable
CAUTION
Besides the maintenance requirements recommended in this manual, comply with local
regulations on maintenance and measurement.
The following safety checks should be performed at least every 12 months by a qualified person
who has adequate training, knowledge, and practical experience to perform these tests.
a)
Inspect the equipment and accessories for mechanical and functional damage.
b)
Inspect the safety related labels for legibility.
c)
Inspect the fuse to verify compliance with the rated current and circuit-breaking
characteristics.
d)
Verify that the device functions properly as described in the instructions for use.
e)
Test the protection earth resistance according to IEC/EN 60601-1: Limit: 0.1 ohm.
f)
Test the earth leakage current according to IEC/EN 60601-1: Limit: NC 500
μ
A, SFC
1000
μ
A.
g)
Test the enclosure leakage current according to IEC/EN 60601-1: Limit: NC 100
μ
A,
SFC 500
μ
A.
h)
Test the patient leakage current according to IEC/EN 60601-1: Limit: NC a.c. 10
μ
A, d.c.
10
μ
A; SFC a.c. 50
μ
A, d.c. 50
μ
A.
i)
Test the patient auxiliary current according to IEC/EN 60601-1: Limit: NC a.c. 10
μ
A,
d.c. 10
μ
A; SFC a.c. 50
μ
A, d.c. 50
μ
A.
j)
Test the patient leakage current under single fault condition with mains voltage on the
applied part according to IEC/EN 60601-1: Limit: 50
μ
A (CF).
k)
Test the essential performance according to IEC/EN 60601-2-25, or methods
recommended by the hospital or local distributor.
The leakage current should never exceed the limit. The data should be recorded in an equipment
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