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HT 1-PH installation efficiency tester and I-Ve curve tracer


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HT 1-PH installation efficiency tester and I-Ve curve tracer

HT SOLAR I-Ve Single-phase solar installation efficiency tester and I-V curve tracer IV Curve Tracer and single phase inverter efficiency measurement

Codmetel: HV000IVE

SOLAR I-Ve 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-Ve, acquires the data relevant to irradiation and temperature while tests carried out by SOLAR I-Ve are carried out.

For measuring I-V curve, SOLAR I-Ve 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. 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.

HT Instruments SOLAR I-V E Function:
Measurement of output voltage from module/string up to 1000V DC
Measurement of output current from module/string up to 15A DC
128 I-V curve points in Std or Capacitive mode
Measurement Voc-Isc-Pmax-Vmpp-Impp-Fill Factor
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
I-V curve test with direct measurement of Irr/Temp parameters
I-V curve test by using of SOLAR-02 unit
Measurement of the resistance of photovoltaic module series
Mechanical inclinometer for detect correct solar irradiation
Comparison with standard conditions (STC 1000 W/m2, 25°C)
Evaluation of testing result: OK / NO
Management of up to 30 types of PV modules (up to 30.000 upgradeable by software)
DC/AC TRMS Voltage
DC/AC TRMS Current
DC power
AC active power on single-phase systems
Solar irradiation [W/m2] with reference cell
Temperature environmental and module by means of probe PT1000
Synchronization with remote unit SOLAR-02
Display of real-time irradiation and temperature
Use of relationship to maximize the DC efficiency
Recording of parameters with programmable IP (5s – 60min)
Internal memory for data saving
Recalling results on the display
Optical/USB port for PC connection
Help on line at display
Internal memory for data saving
Recalling results on the display
Optical/USB port for PC connection
Help on line on the display

SOLAR-02 : Remote unit for irradiance/temperature
KITGSC4 : Set 4 cables + 4 alligator clips
KITPVMC3 : Set of 2 adapters MC3 compliance
KITPVMC4 : Set of 2 adapters MC4 compliance
Alligator clip black, 4 pcs
HT4004N : Transducer clamp 10-100A DC
HT4005K : Transducer clamp for AC current up to 200A
HT304N : Reference cell for radiation measurements
PT300N : PT1000 probe for cell temperature measurement
M304 : Mechanical inclinometer
TOPVIEW2006 : Windows software + optical/USB cable C2006
BORSA2051 : Soft carrying bag
ISO9000 calibration certificate
User manual
Quick reference guide


  • Manufacturer: HT Instruments
  • Model: SOLAR I-V E
  • Length [mm (in)]: 235 mm
  • Width [mm (in)]: 165 mm
  • Depth [mm (in)]: 75 mm
  • Weight [kg (lb)]: 1.2 kg (2.65 lbs)