GE Vivid 3N Pro Series, Руководство по обслуживанию

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GE M
EDICAL
S
YSTEMS
D
IRECTION
FK091075, R
EVISION
04 V
IVID
3N P
RO
/E
XPERT
S
ERVICE
M
ANUAL
Chapter 10 Periodic Maintenance 10-19
10-7-2 GEMS Current Leakage Limits
The following limits are summarized for NFPA 99 (for USA) and IEC 60601-1 Medical Equipment Safety
Standards. These limits are GEMS standards and in some cases are lower than the above standards
listed.
Table 10-14 Chassis Current Leakage Limits - Accessible Metal Surfaces
Country Normal Condition Open Ground Reverse Polarity Open Neutral
USA
N/A
0.3 mA 0.3 mA N/A
Other
0.1 mA
0.5 mA 0.5 mA 0.5 mA
Table 10-15 Type BF Applied Part Current Leakage Limits
- Non-Conductive (Floating) Surface and Cavity Probes
Country
Normal
Condition
Open
Ground
Reverse
Polarity
Open
Neutral
Mains
Applied
a
a. Mains Applied is the Sink Leakage Test. In this test, mains (supply) voltage is supplied to the part or equipment to
determine the amount of current that will pass (sink) to Ground if a patient comes into contact with the part.
USA
0.05 mA
0.05 mA 0.05 mA 0.05 mA N/A
Other
0.1 mA
0.5 mA 0.5 mA 0.5 mA 5.0 mA
Table 10-16 Type CF Applied Part Current Leakage Limits - Surgical Probes and ECG Connections
Country
Normal
Condition
Open
Ground
Reverse
Polarity
Open
Neutral
Mains
Applied
a
a. Mains Applied is the Sink Leakage Test. In this test, mains (supply) voltage is supplied to the part or equipment to
determine the amount of current that will pass (sink) to Ground if a patient comes into contact with the part.
USA
0.01 mA
0.05mA 0.05 mA N/A 0.025 mA
Other
0.01 mA
0.05 mA 0.05 mA 0.05 mA 0.05 mA