Hioki ST5540 - Page 82

5.1 Connecting the Test Lead
76
When selecting network B1
When selecting network B2
Class-I equipment Class-II equipment
Internally powered equip-
ment
Type B Type BF Type CF Type B Type BF Type CF Type B Type BF Type CF
Earth leakage current
–––
Enclosure - Earth
leakage current
Normal T2 T2 T2 T2 T2 T2 T2 T2 T2
Fault/
Apply
T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3
Enclosure - Enclosure
leakage current
Normal T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2
Fault/
Apply
T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3
Patient auxiliary current T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2
Patient leakage current I T2 T2 T2 T2 T2 T2 T1,T2 T1,T2 T1,T2
Patient leakage current II T2,T3
––
T2,T3
––
T2,T3
––
Patient leakage current III
–
T2 T2
–
T2 T2
–
T2 T2
Free current
Normal T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2
Fault/
Apply
T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3
Class-I equipment Class-II equipment
Internally powered
equipment
Type B Type BF Type CF Type B Type BF Type CF Type B Type BF Type CF
Earth leakage current
–––
Touch current
(Enclosure - Earth)
NormalT2T2T2T2T2T2T2T2T2
Fault/
Apply
T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3
Touch current
(Enclosure - Enclosure)
Normal T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2
Fault/
Apply
T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3
Patient auxiliary current T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2
Patient leakage current
(Patient connection - Earth)
T2 T2 T2 T2 T2 T2
T1,T2
or T2
T1,T2
or T2
T1,T2
or T2
Patient leakage current
(external voltage on a SIP/SOP)
T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3
Patient leakage current
(external voltage on a specific
F-type applied part)
– T2 T2 – T2 T2 – T2 T2
Patient leakage current
(external voltage on metal accessi-
ble part not protectively earthed)
T2,T3 T2,T3
–
T2,T3 T2,T3
–
T2,T3 T2,T3
–
Total patient leakage current
(Patient connection - Earth)
T2 T2 T2 T2 T2 T2 T1,T2 T1,T2 T1,T2
Total patient leakage current
(external voltage on a SIP/SOP)
T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3 T2,T3
Total patient leakage current
(external voltage on a specific
F-type applied part)
–
T2 T2
–
T2 T2
–
T2 T2
Total patient leakage current
(external voltage on metal accessi-
ble part not protectively earthed)
T2,T3 T2,T3
–
T2,T3 T2,T3
–
T2,T3 T2,T3
–
Free current
Normal T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2 T1,T2
Fault/
Apply
T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3 T1,T2,T3