I-v400, Electrical specifications – Atec HTInstruments_I-V400 User Manual
Page 2
I-V400
Rel. 1.07 – 18/06/12
I-V curve checker and IVCK test
Pag 2 of 3
HT ITALIA SRL
Via della Boaria 40 - 48018 Faenza (RA)- Italy
Tel: +39-0546-621002 - Fax: +39-0546-621144
email: [email protected] - web: www.ht-instruments.com
2. ELECTRICAL SPECIFICATIONS
Accuracy is calculated as
[% reading + (number of dgts) x resolution] at 23°C 5°C, <80HR
VDC Voltage @ OPC
Range (V) (***)
Resolution (V)
Accuracy
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
IDC Current @ OPC
Range (A)
Resolution (A)
Accuracy
0.10
10.00
0.01
(1.0rdg+2dgt)
Max Power @ OPC (Vmpp >30V, Impp >2A)
Range (W) (*, **)
Resolution (W)
Accuracy
50
9999
1
(1.0%rdg+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
VDC Voltage (@ STC and OPC), IVCK
Range (V) (***)
Resolution (V)
Accuracy (*,**)
5.0
999.9
0.1
(4.0rdg+2dgt)
IDC Current (@ STC and OPC), IVCK
Range (A)
Resolution (A)
Accuracy (**)
0.10
10.00
0.01
(4.0rdg+2dgt)
Max Power @ STC (Vmpp >30V, Impp >2A)
Range (W) (*, **)
Resolution (W)
Global accuracy (**)
50
9999
1
(5.0%rdg+1dgt)
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 of module (with auxiliary PT1000 probe)
Range (°C)
Resolution (°C)
Accuracy
-20.0
100.0
0.1
(1.0rdg+1°C)