HT instruments SOLAR I-V User Manual
Page 70

I-V400 - SOLAR I-V
EN - 68
10.2. I-V TEST TECHNICAL FEATURES (I-V AND IVCK)
I-V: DC Voltage @ OPC
Range [V] (***)
Resolution [V]
Uncertainty (***)
5.0
999.9
0.1
(1.0rdg + 2dgt)
(***) The I-V curve and Rs measurements start for VDC > 15V and the accuracy is defined for VDC > 20V
I-V: DC Current @ OPC
Range [A]
Resolution [A]
Uncertainty
0.10
10.00
0.01
(1.0rdg + 2dgt)
I-V: DC Power @ OPC (Vmpp > 30V, Impp > 2A)
Range [W] (*, **)
Resolution [W]
Uncertainty
50
9999
1
(1.0rdg + 6dgt)
Vmpp = Maximum power voltage, Impp = Maximum Power Current
(*) Max measurable value of Power must include FF value(~ 0.7)
Pmax = 1000V x 10A x 0.7 = 7000W
(**) Test is stopped and the message “Thermal instability” occurs if the instrument detects Voltage > 700V and Current I >3A, I > -
0.038*V + 37.24 - 0.5
I-V: DC Voltage @ STC, IVCK: DC Voltage @ OPC and @ STC
Range [V]
Resolution [V]
Uncertainty (*,**)
5.0
999.9
0.1
4.0rdg + 2dgt)
I-V: DC Current @ STC, IVCK: DC Current @ OPC and @ STC
Range [A]
Resolution [A]
Uncertainty (**)
0.10
10.00
0.01
(4.0 rdg + 2 dgt)
I-V: DC Power @ STC (Vmpp > 30V, Impp > 2A)
Range [W]
Resolution [W]
Global Uncertainty (**)
50
9999
1
(5.0 rdg + 1 dgt)
Vmpp = Maximum power voltage, Impp = Maximum Power Current
(*) Measurements start for VDC > 15V and the accuracy is defined for VDC > 20V
(**) Test conditions:
Test cond.: Steady Irrad.
700W/m
2
, spectrum AM 1.5,solar incidence vs perpendicular.
25°, Cells Temp. [15..65°C]
Global accuracy include contribute of solar sensor and its measuring circuit
Irradiance (with reference cell)
Range [mV]
Resolution [mV]
Accuracy
1.0
100.0
0.1
(1.0rdg + 5dgt)
Temperature (with auxiliary probe)
Range [°C]
Resolution [°C]
Accuracy
-20.0
100.0
0.1
(1.0rdg + 1°C)
10.3. SAFETY SPECIFICATIONS
10.3.1. General
Instrument safety:
IEC/EN61010-1
Technical literature:
IEC/EN61187
Accessory safety:
IEC / EN61010-031
Measurements:
IEC/EN60891 (I-V curve test)
IEC/EN 60904-5 (Temperature measurement)
Insulation: double
insulation
Pollution level:
2
Category of measure:
CAT II 1000V DC, CAT III 300V to earth
Max 1000V among inputs P1, P2, C1, C2