Major tech MT390 - Page 12

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Annunctator
N-PE
L-N
L-PE
PFC
PSC
Meaning
Low battery icon. See
for additional information on batteries and power management.
Beeper
Lock
Hold
Datalog
Bluetooth
Appears when the instrument is overheated.
Display 30 seconds (time-delayed)
Primary display and measurement units.
Primary display and measurement units.
Fault voltage. Measures neutral to earth.
Indicates the preset falut voltage limit.
Arrows above or below the terminal indicator symbol indicate
reversed polarity. Check the connection or check the wiring to
correct.
N-PE Value
L-N Value
L-PE Value
Prospective Earth Fault Curre t.
Calculated from voltage and loop impedance which is measured
line to protective earth.
Prospective Short Circuit. Calculated from measured voltage
and impedance when reading line to neutral.
Being tested
n
Being tested
High Voltage Warning
Warning
30S
U
L:
U
F:
Ω
888.8
888.8
L
PE N
L
PE N
L
PE
N
L1
L2
L3
230
L
231
PE
1
N
230
L
231
PE
1
N
:Indicates the battery status.
:100%
:80%
:50%
:20%
:Low Battery
Multifunction Tester User Manual