JUPITER
IT - 18
1. set the value of rated voltage Phase-Earth (see § 4.2.11)
2. Set the limit value of contact voltage (see § 4.2.10)
3. Select position Ra Loop.
4. Press key MODE/MXMNPK and select option “RCD Ra ”
5. In case the cable with Shuko plug is used, insert the red conductor into input terminal
V L and the green conductor into input terminal COM/E/N and connect the
instrument to the system to be tested (see Fig. 17). The value of voltage Phase-Earth
is shown on the display
6. In case measuring leads are used, insert the red conductor into input terminal V L
and the black conductor into input terminal COM/E/N and connect the instrument to the
system to be tested (see Fig. 18). The value of voltage Phase-Earth is shown on the
display
7. Press key GO/HOLD to activate the test. The following screens may appear on the
display for a few seconds to signal anomalous conditions in which the instrument does
not carry out the test:
Fig. 19: Anomalous situations upon pressing key GO/HOLD – Screen 1
Fig. 20: Anomalous situations upon pressing key GO/HOLD – Screen 2
Fig. 21: Anomalous situations upon pressing key GO/HOLD – Screen 3
L-PE
Turn the Schuko plug in the socket to be tested
< 100V
Input voltage < 100V. Check the electric mains
> 690V
Input voltage > 690V. Check the electric mains
< 42.5Hz
Input voltage frequency < 42.5Hz. Check the electric mains
> 69.0Hz
Input voltage frequency > 69.0Hz. Check the electric mains
> 50V
Dangerous voltage on PE conductor > 50V. Check the earth circuit
RCD
RCD tripped check for possible current leaks to earth and disconnect the users from the
line to be tested
Ut
Contact voltage above limit (25V/50V). Check the earth circuit and disconnect the users
from the line to be tested
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