HT Italia I-V 400 I-V Curve Tracer

HT Italia I-V 400 I-V Curve Tracer




I-V 400 is a multifunction instrument for I-V Curve test of photovoltaic strings and modules.


EMC 2004/108/CE Directive
LVD 2006/95/CE Directive

I-V 400 is the ideal solution for the ordinary and scheduled maintenance of photovoltaic systems. With I-V 400, searching for possible failures and problems in systems is extremely rapid, efficient and intuitive. I-V 400 carries out the field measurement of the I-V characteristic and of the main characteristic parameters both of a single module and of module strings. The instrument measures, together with the I-V characteristic of the device being tested, also the values of its temperature and incident irradiation.

The acquired data are then processed to extrapolate the I-V characteristic at standard test conditions (STC) in order to proceed with the comparison with the nominal data declared by the modules’ manufacturer, thus immediately determining whether or not the string or the module being tested respects the characteristics declared by the manufacturer. Output current or voltage from the module or string is measured with the 4-terminal method, which allows extending the measurement cables without requiring any compensation for their resistance, thus always providing accurate and precise measures.

  • Measurement of output voltage from module/string up to 1000V DC
  • Measurement of output current from module/string up to 10A DC
  • Measurement of solar irradiation [W/m2] with reference cell
  • Measurement of temperature, automatic or by means of probe PT1000
  • Measurement of output DC and nominal power from module/string
  • Numerical and graphical display of I-V characteristic
  • Measurement of the resistance of photovoltaic module series
  • Mechanical inclinometer for incidence angle of solar irradiation
  • 4-terminal measuring method
  • Comparison with standard conditions (STC 1000 W/m2, 25C)
  • Evaluation of testing result: OK / NO
  • Management of up to 30 types of modules in the internal database
  • Internal memory for data saving
  • Recalling results on the display
  • Optical/USB port for PC connection
  • Help on line on the display