METREL MI3115 - Uoc;Isc Measurements

MI 3115 PV Analyser
Technical specifications
67
DC voltage
Range (V)
Resolution (V)
Accuracy
Uoc_m
Umpp_m
20.0 199.9
0.1
±(1 % of reading + 2 digits)
200
1
±1 % of reading
DC current
Range (A)
Resolution (A)
Accuracy
Isc_m
Impp_m
0.1 3.99
0.01
±(1 % of reading + 8 digits)
4.0 19.99
0.01
±(1 % of reading + 4 digits)
The error in operating conditions could be at most the error for reference conditions ±2 % of
measured value.
DC power
Range (W)
Resolution (W)
Accuracy
Pmpp_m
0.2 99.9
0.1
±(2 % of reading + 5 digits)
200 1999
1
±2 % of reading
2.00 k 19.99 k
0.01 k
±2 % of reading
20.0 k
0.1 k
±2 % of reading
10.1.4 Uoc/Isc measurements
General
System voltage ......................................
Maximum current ................................... 20 A
Maximum power of PV string ................. 24 kW
Connection ............................................. standard 4 mm METREL safety banana jacks
Accuracy of STC values is based on accuracy of measured electrical quantities, accuracy of
environmental parameters, and entered parameters of PV module. See Appendix D - PV
measurements - calculated values for more information about calculation of STC values.
DC voltage
Range (V)
Resolution (V)
Accuracy
Uoc_m
20.0 199.9
0.1
±(1 % of reading + 2 digits)
200 1999
1
±1 % of reading