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HT Italia SOLAR I-Vw Multifunction I-V curve tracer

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SOLAR I-Vw Multifunction I-V curve tracer for testing and maintaining photovoltaic installations

SOLAR I-V allows both testing a single-phase (three-phase with optional MPP300) photovoltaic system and verifying I-V curve. Thanks to remote unit SOLAR02, it is possible to test the system complying with the requirement of simultaneity as provided for by the reference standard. SOLAR02 is a datalogger which, synchronized with SOLAR I-V, acquires the data relevant to irradiation and temperature while tests carried out by SOLAR I-V are carried out.
For measuring I-V curve, SOLAR I-V manages an internal database of the modules, which can be updated at any time by the user by comparing the measured data with the rated values, thus allowing the immediate evaluation whether the string or the module fulfills the efficiency parameters declared by the manufacturer.

Authorised Australian Distributor

PDF Logo    HT Solar I-Vw Brochure

PDF Logo    Solar I-Vw User Manual


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HT Italia SOLAR I-Vw is a Multifunction device for testing and maintenance on single-phase Solar P/V installations.

Current and voltage measurement at modules/strings output is measured with the 4-terminal method, which allows extending possible measuring cables without considering any compensation of their resistance, thus obtaining always precise measurements. At the end of the test, the display of I-V curve on the screen is a clear indication about the compliance with the specifications declared by the panel manufacturer.

  • Measurement of efficiency of a single-phase photovoltaic system
  • Measurement of I-V Curve of a module or of a string up to 1000V/15A
  • Measurement of open-circuit voltage of a module or of a string (VOC)
  • Measurement of short-circuit current of a module or of a string (ISC)

HT Italia SOLAR I-Vw Functions:

Detection of I-V curve on PV modules and strings 128 points
Quick IVCK test for measuring Voc and Isc on PV modules and strings  Yes
Single-phase/three-phase photvoltaic systems’ testing 1MPPT (3MPPT with MPP300)
Measurement of irradiation with reference cell  Yes
Use of remote unit SOLAR-02 with USB \ RF connection RF
Temperature measurement of cell and environment
Active P, Reactive Q, Apparent S Power/Energy only active P
Max number of simultaneously selectable parameters 9
Recording with selectable integration period 5s-60m
Indicative memory duration
(in days @ PI=10min @ max number of parameters)
Summary table of main electric parameters  Yes
Measuring range of I-V curve / VOC-ISC 1000V / 15A
Measuring range for photovoltaic testing 1000VDC / 265VAC (Single-Phase)
Measurement category CAT III 300V
Backlit LCD display  Yes
Internal memory capacity 200 curves I-V 8 days@ PI=10 min
Provided PC interface with software for Windows  Yes
Integrated WiFi For data download onto the PC
Custom management of internal PV module database 30 internal, 30.000 on software
Auto power off  Yes
Indication of recording duration for photovoltaic testing  Yes
Help on line on the display  Yes
Size (LxWx H) (mm) 235 x 165 x 75
Weight in grams (batteries included) 1200

 HT Italia SOLAR I-Vw Conforms to the following Standards:

  • CEI 64-8 612.6.2
  • EMC 2004/108/CE Directive
  • LVD 2006/95/CE Directive
  • Guida CEI 82-25
  • IEC/EN60891
  • IEC/EN 61010-1
  • EMC: IEC/EN61326
  • IEC/EN61187


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