MI 3109 EurotestPV Lite
Instrument operation
27
Figure 4.15: Delete options
Keys:
TEST
Confirms clearing. In Delete all option YES must be
selected.
ESC
Exits back to PV module type memory menu without
changes.
Function selector
Exits back to main function menu without changes.
PV measurements settings
Parameters for PV measurements can be
set in this menu.
Figure 4.16: Selection of PV
measurement settings
Parameters for PV measurements:
Test std
Testing standard [IEC 60891, CEI 82-25]
Irr. Sens.
Type of irradiance measuring sensor [PV cell, Pyran.]
Irr. min.
Minimal valid solar irradiance for calculation [500
– 1000 W/m
2
]
T. sensor
Temperature for calculation [Tamb, Tcell]
Mod.Ser.
Number of modules in serial [1
– 30]
Mod.Par.
Number of modules in parallel [1
– 10]
Correct. T
Correction of measured cell temperature to compensate for the
difference between the actual cell temperature and the measured
temperature. [0
– 5 °C]. According to the EN 61829 standard the
difference is typically 2
°C. [Off, 1 °C – 5 °C]
Warn. Irr
Limit for the unstable irradiance warning [Off, 1 %
– 20 %]
Warn. Uoc
Limit for the improper Uoc warning [Off, 5 %
– 50 %]
Selection of PV test parameters
Keys:
/
Selects appropriate option.
TEST
Enables changing data of selected parameter.
MEM
Saves settings.
ESC / Function selector
Exits back.
