MI 3108 EurotestPV
Instrument operation
21
4 Instrument operation
4.1 Display and sound
4.1.1 Terminal voltage monitor
The terminal voltage monitor displays on-line the voltages on the test terminals and
information about active test terminals in the a.c. installation measuring mode.
Online voltages are displayed together with test terminal indication. All
three test terminals are used for selected measurement.
Online voltages are displayed together with test terminal indication. L
and N test terminals are used for selected measurement.
L and PE are active test terminals; N terminal should also be connected
for correct input voltage condition.
4.1.2 Battery indication
The battery indication indicates the charge condition of battery and connection of external
charger.
Battery capacity indication.
Low battery.
Battery is too weak to guarantee correct result. Replace or
recharge the battery cells.
Charging in progress (if power supply adapter is connected).
4.1.3 Messages
Following warnings and messages are displayed.
The change in irradiance during the measurement was above
the set limit (
Warn. Irr
).
The difference between the Uoc STC based on measurement
and Uoc STC value based on set PV module and number of
modules in the string is above the set limit (
Warn. Uoc
).
Measurement is running, consider displayed warnings.
Conditions on the input terminals allow starting the measurement;
consider other displayed warnings and messages.
Conditions on the input terminals do not allow starting the
measurement, consider displayed warnings and messages.
RCD tripped-out during the measurement (in RCD functions).
