Fluke 1650B Инструкция по эксплуатации онлайн [18/62] 4485

Fluke 1650B Инструкция по эксплуатации онлайн [18/62] 4485
165XB
Users Manual
10
Table 5. Display Features (cont.)
No. Annunciator Meaning
i
W
Appears when an error occurs. Testing
is disabled. See “Error Codes” on page
13 for a listing and explanation of
possible error codes.
j
C
Appears when the instrument is
uploading data using Fluke PC
software.
k
Name of the secondary measurement
function.
U
N
Test voltage for insulation test.
U
F
Fault voltage. Measures neutral to
earth.
PSC
Prospective Short Circuit. Calculated
from measured voltage and impedance
when reading line to neutral.
PEFC
Prospective Earth Fault Current.
Calculated from voltage and loop
impedance which is measured line to
protective earth.
I
K
In combination with the PSC or PEFC
symbol, indicates a short circuit current.
R
E
Earth resistance.

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