Gossen MetraWatt PROFITEST MBASE MTECH - Page 52

52 GMC-I Messtechnik GmbH
is
displayed
U
(3-phase measurement)
Short between L1 and L3
is
displayed
U
(3-phase measurement)
Short between L2 and L3
is dis-
played
U
(3-phase measurement)
Phase conductor L1 missing
is dis-
played
U
(3-phase measurement)
Phase conductor L2 missing
is dis-
played
U
(3-phase measurement)
Phase conductor L3 missing
is dis-
played
U
(3-phase measurement)
Phase conductor L1 to N
is dis-
played
U
(3-phase measurement)
Phase conductor L2 to N
is dis-
played
U
(3-phase measurement)
Phase conductor L3 to N
Battery Test
is
displayed
All
Rechargeable batteries must be charged or replaced towards the end of
their useful life (U < 8 V).
PE test by means of finger contact at the contact surfaces on the test plug
LCD
LEDs
is displayed
U
L
/R
L
FI/RCD
light up
red
XX
U
(single-phase
measurement)
Potential difference  50 V between finger contact and PE (earth contact)
Frequency f  50 Hz
is displayed
U
L
/R
L
FI/RCD
light up
red
XX
U
(single-phase
measurement)
If L is correctly contacted and PE is interrupted (Frequency f  50 Hz)
Error Messages
LCD
XX
All measurements
with protective con-
ductor
Potential difference  50 V between finger contact and PE (earth contact)
Remedy: inspect PE connection
Note: Measurement can be launched nevertheless by pressing the start
key once more.
XX
I
N
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
1) Voltage for RCD test with DC current too high (U > 253 V)
2) U generally U > 440 V with 500 mA
3) U > 440 V for I
N
/ I
F
4) U > 253 V for I
N
/ I
F
with 500 mA
5) U < 253 V for measurements with probe
XX I
N
RCD is tripped too early, or is defective.
Remedy: test circuit for biasing current.
Status Test
Plug
Meas.
Adapter
Selector Switch
Position
Function / Meaning
PE
PE