Photovoltaic Testers (Commissioning and Maintenance)

ECLIPSE (HT Instruments)

ECLIPSE has been designed to measure AC/DC current up to 1000A, DC voltage up to 1500V and AC voltage up to 1000V in TRMS reaching CAT IV 600V and CAT III 1000V in compliance with safety standard IEC/EN61010-1. The clamp is provided with a display with 6000 measuring spots with backlight and bargraph to allow for a simple reading even in poorly lit environments. ECLIPSE also measures Resistance, Frequency, Capacitance and Temperature with K-type probe and infrared temperature with built-in thermal camera. The Bluetooth connection allows for the transfer of the saved snapshots by means of the dedicated App HTMercury.

Current measuring range: 1000A
AC/DC current: AC+DC
AC/DC voltage: 1000VAC/1500VDC
Leakage current: External Clamp

HT65 (HT Instruments)

HT65 belongs to the TRMS CATIV 600V series of digital multimeters, made unique by the ability to measure DC voltage up to 1500V. It is also able to measure the temperature through the K probe, the AC / DC current with an external transducer, and the LoZ low impedance voltage input. Like the other multimeters in the series, it has an Autorange function and a defined backlit display.

AC/DC voltage: 1000VAC/1500VDC
AC/DC current: with external transducer
Measuring counts: 4000
Power supply: 1x 9V 6F22

HT9023 (HT Instruments)

HT9023 has been designed to measure AC, DC AC+DC current up to 1000A in TRMS reaching CAT IV 600V and CAT III 1000V in compliance with safety standard IEC/EN61010-1. The clamp also measures DC voltage up to 1500V, AC, AC+DC voltage up to 1000V, Active, Reactive and Apparent Power, Power Factor, Energy, voltage/current harmonic analysis up to the 25th with THD% calculation in balanced single-phase or three-phase systems. It is also possible to carry out the phase sequence test with 1-terminal. The instrument also detects the events linked to motor starting currents (Dynamic INRUSH) and allows recording each measured electric parameter over time, with the possibility of transferring data via WiFi to Android/iOS devices through the HTAnalysis App (available from late 2020) or onto PC through the TOPVIEW software. The clamp is provided with a wide graphic dot-matrix screen (128x128pxl) with backlight, in order to allow reading data even in poorly lit environments, and it is provided with an auto power off function to preserve its internal battery.

Current measuring range: 1000A
AC/DC Current: AC+DC
AC/DC voltage: 1000VAC/1500VDC

HT9025 (HT Instruments)

HT9025 has been designed to measure AC/DC current up to 1000A, DC voltage up to 1500V and AC voltage up to 1000V in TRMS reaching CAT IV 600V and CAT III 1000V in compliance with safety standard IEC/ EN61010-1. The clamp is provided with a display with 6000 measuring spots with backlight and bargraph to allow for a simple reading even in poorly lit environments. HT9025 also measures Resistance, Frequency, Capacity and Temperature with K-type probe.

Current measuring range: 1000A
Temperature range: -20° ÷ 650°C
AC/DC Current: AC+DC
AC/DC voltage: 1000VAC/1500VDC
Leakage current with optional clamp meter: External pliers

HT9025T (HT Instruments)

HT9025T has been designed to measure AC/DC current up to 1000A, DC voltage up to 1500V and AC voltage up to 1000V in TRMS reaching CAT IV 600V and CAT III 1000V in compliance with safety standard IEC/EN61010-1. The clamp is provided with a display with 6000 measuring spots with backlight and bargraph to allow for a simple reading even in poorly lit environments. HT9025T also measures Resistance, Frequency, Capacitance and Temperature with K-type probe and infrared temperature with built-in thermal camera 120 x 120 pxl. The Bluetooth connection allows for the transfer of the saved snapshots by means of the dedicated App HTMercury.

Current measuring range: 1000A
AC/DC current: AC+DC
AC/DC voltage: 1000VAC/1500VDC
IR Resolution: 120 x 120 pxl

PV204 (HT Instruments)

PV204 is a digital solar meter for measurements of solar irradiation up to 2000W/m2, which can be used as an inspection device, typically in photovoltaic installations.

Measuring range: 1÷1999W/m² 1÷634 BTU/(ft²*h)

PV-215 (HT Instruments)

The multifunction device PV-215 allows quickly and safely carrying out the electric safety tests provided for a PV system (section in DC) and the functional test of modules/strings the system consists of according to the requirements of Standard IEC/EN62446. When testing safety, PV-215 is a real innovation, since it is capable of measuring insulation of a module, string or of a whole photovoltaic field (IEC/EN62446) with no need to use an external switch to short-circuit the positive and negative terminals. PV-215 also allows checking the functionality of the connections and of the strings in a photovoltaic field, according to the provisions of standard IEC/EN62446 by measuring the open circuit voltage and the short-circuit current at operating conditions (OPC) and referred to STC (via the optional measurement of irradiation, also with the use of optional accessories SOLAR02 and HT304N), providing an immediate result as regards the measurement just carried out, both in absolute terms and by comparison with the previously tested strings. Finally, PV-215 also allows analyzing the performance of the photovoltaic field (DC) under operating conditions (therefore connected to the inverter) with the use of optional accessories SOLAR02 and HT304N, providing an indication of the generated power and of the performance of the field itself, as required by IEC/EN62446.

PV-255s (HT Instruments)

PV-255s represents a real innovation in the panorama of PV verification and testing instrumentation. PV-255s measures the insulation resistance of a single module, a string or even an entire photovoltaic field up to 1,500 V DC according to IEC/EN62446 standard. Traditional insulation meters would require a DC-rated switch-box to short-circuit the positive and negative terminals of the module/string/PV field under test. With PV-255s the use of any external device is not required, PV-255s carries out the measurements in full autonomy and self-sufficiency. In addition, through the new GFL (Ground Fault Locator) function, PV-255s indicates the position of any poor insulation on a string of the photovoltaic system, due, for example, to water or humidity leakage.

Continuity of the protective conductor: 200mA
Insulation measurement: 1500V DC

PVCHECKs (HT Instruments)

The multifunction device PVCHECKs allows quickly and safely carrying out the electric safety tests provided for a PV system (section in DC) and the functional test of modules/strings the system consists of according to the requirements of Standard IEC/EN62446. When testing safety, PVCHECKs is a real innovation, since it is capable of measuring insulation of a module, string or of a whole photovoltaic field (IEC/EN62446) with no need to use an external switch to short-circuit the positive and negative terminals. PVCHECKs also allows checking the functionality of the connections and of the strings in a photovoltaic field, according to the provisions of standard IEC/EN62446 by measuring the open circuit voltage and the short-circuit current at operating conditions (OPC) and referred to STC (via the optional measurement of irradiation, also with the use of optional accessories SOLAR02 and HT304N), providing an immediate result as regards the measurement just carried out, both in absolute terms and by comparison with the previously tested strings. Finally, PVCHECKs also allows analyzing the performance of the photovoltaic field (DC) under operating conditions (therefore connected to the inverter) with the use of optional accessories SOLAR02 and HT304N, providing an indication of the generated power and of the performance of the field itself, as required by IEC/EN62446.

Measurement of insulation: 1000VDC
Open-circuit voltage/ Short-circuit current voltage (Voc/Isc): 1000V/15A

PVCHECKs PRO (HT Instruments)

PVCHECKs-PRO is a commissioning tester designed to take all safety measurements and verifications of PV installations in accordance with IEC/EN62446. By a single GO-key stroke PVCHECKs-PRO performs all commissioning tests. Thanks to the seamless mode, PVCHECKs-PRO is able to test in sequence all strings of a combiner box by a single GO-key stroke. Finally, the GFL - Ground Fault Locator detects the precise position of the lack of insulation, speeding the troubleshooting.

Open circuit voltage (Voc): 1500V
Short circuit current (Isc): 40A
Insulation measurement on PV modules/strings/fields: 1500VDC
Thermal sensitivity / NETD:   '<'0.05°C @ 30°C / 50mK
Field of view (FOV): 21° x 21°

PVISOTEST (HT Instruments)

PV-ISOTEST represents a real innovation in the panorama of PV verification and testing instrumentation. PV-ISOTEST measures the insulation resistance of a single module, a string or even an entire photovoltaic field up to 1,500 V DC according to IEC/EN62446 standard. Traditional insulation meters would require a DC-rated switch-box to short-circuit the positive and negative terminals of the module/string/PV field under test. With PV-ISOTEST the use of any external device is not required, PV-ISOTEST carries out the measurements in full autonomy and self-sufficiency. In addition, through the new GFL (Ground Fault Locator) function, PV-ISOTEST indicates the position of any poor insulation on a string of the photovoltaic system, due, for example, to water or humidity leakage.

Measurement category: CAT III 1500V DC / CAT III 1000V AC
AC TRMS voltage measurement: 3 ÷ 1000V
DC voltage measurement: 3 ÷ 1500V
Insulation resistance: 250, 500, 1000, 1500V

Photovoltaic Testers (I-V Curve tracers)

I-V400w (HT Instruments)

I-V400w allows field detection of I-V Curve an of the main characteristic parameters both of a single module and of strings of modules for PV installations up to a maximum of 1000V and 15A. For measuring I-V Curve, I-V400w manages an internal database of the modules, which can be updated at any time by the user and comparison between the measured data with the rated values allows immediately evaluating whether the string or the module fulfills the efficiency parameters declared by the manufacturer. I-V Curve can be measured also by decentralizing measurement of irradiation and temperature by using the optional remote unit SOLAR02, using the radio frequency connection (RF) with the master unit. Also for I-V400w, the display at the end of the test of I-V Curve is a clear indication about the compliance with the specifications declared by the panel manufacturer.

I-V curve tracing of PV modules and strings: 1000V/15A
Quick IVCK test for measuring Voc and Isc on PV modules and strings: VOC 1000V / ISC 15A
Use of remote unit SOLAR-02 with USB \ RF connection: RF
Measuring range of I-V curve / VOC-ISC: 1000V / 15A

I-V415w (HT Instruments)

I-V415w allows field detection of I-V Curve an of the main characteristic parameters both of a single module and of strings of modules for PV installations up to a maximum of 1000V and 15A. For measuring I-V Curve, I-V415w manages an internal database of the modules, which can be updated at any time by the user and comparison between the measured data with the rated values allows immediately evaluating whether the string or the module fulfills the efficiency parameters declared by the manufacturer. I-V Curve can be measured also by decentralizing measurement of irradiation and temperature by using the optional remote unit SOLAR02, using the radio frequency connection (RF) with the master unit. Also for I-V415w, the display at the end of the test of I-V Curve is a clear indication about the compliance with the specifications declared by the panel manufacturer.

f I-V Curve of one or more modules or of one whole string: 1000V/15A
Database of 30.000 selectable photovoltaic modules
Measurement of open-circuit voltage and short-circuit current Voc/Isc

I-V500w (HT Instruments)

I-V500w allows field detection of I-V Curve an of the main characteristic parameters both of a single module and of strings of modules for PV installations up to a maximum of 1500V and 10A or 1000V and 15A. For measuring I-V Curve, I-V500w manages an internal database of the modules, which can be updated at any time by the user and comparison between the measured data with the rated values allows immediately evaluating whether the string or the module fulfills the efficiency parameters declared by the manufacturer. I-V Curve can be measured also by decentralizing measurement of irradiation and temperature by using the optional remote unit SOLAR02, using the radio frequency connection (RF) with the master unit. Also for I-V500w, the display at the end of the test of I-V Curve is a clear indication about the compliance with the specifications declared by the panel manufacturer.

I-V curve tracing of PV modules and strings: 1500V/10A - 1000V/15A
Quick IVCK test for measuring Voc and Isc on PV modules and strings: VOC 1500V / ISC 15A
Internal memory: 249 I-V Curves
Custom management of internal PV module database: 30 internal / 30.000 on software/app

I-V525w (HT Instruments)

I-V525w allows field detection of I-V Curve an of the main characteristic parameters both of a single module and of strings of modules for PV installations up to a maximum of 1500V and 10A or 1000V and 15A. For measuring I-V Curve, I-V525w manages an internal database of the modules, which can be updated at any time by the user and comparison between the measured data with the rated values allows immediately evaluating whether the string or the module fulfills the efficiency parameters declared by the manufacturer. I-V Curve can be measured also by decentralizing measurement of irradiation and temperature by using the optional remote unit SOLAR02, using the radio frequency connection (RF) with the master unit. Also for I-V525w, the display at the end of the test of I-V Curve is a clear indication about the compliance with the specifications declared by the panel manufacturer.

Database: 30.000 selectable photovoltaic modules
I-V Curve of one or more modules or of one whole string: 1500V/15A
Open-circuit voltage and short-circuit current Voc/Isc: 1500V/15A

I-V600 (HT Instruments)

I-V600 allows field tracing of I-V curve of modules and strings up to 1500V and 40A. Once traced the I-V curve, thanks to the user updatable database of modules, I-V600 compares the measured data to the nominal values as provided by the manufacturer of the module/string under test to return a clear OK/NOT OK response. Communication to the remote unit SOLAR-03 is granted up to 100m (in free field), and the logging function in case the communication was impossible (obstacles such as floor, concrete structures, etc.), it is always possible to trace the I-V curve regardless the environment the installation is in. I-V600 traces the I-V curve of mono-facial and bi-facial modules. According to IEC technical specification TS 60904-1-2, in addition to the front-side radiation, I-V600 measures the back-side radiation by two different sensors (to consider the rear side irradiance non-uniformity). I-V600 drives up to 3 solar radiation reference cells, but no more tons of parameters to set and high risk of misconfiguration. I-V600 automatically recognizes the calibration parameters of the reference cells connected. Running out of battery power is every professional's worst nightmare. Finding yourself without battery power in the middle of nowhere with a job to be delivered within hours would put anyone in trouble.

I-V curve tracing of PV modules and strings: 1500V/40A
Open circuit voltage Voc of PV modules and strings: 1500V
Short circuit current Isc on PV modules and strings: 40A
Quick IVCK test for measuring Voc and Isc on PV modules and string: 1500V/40A

SOLAR I-Ve (HT Instruments)

SOLAR I-Ve allows both testing a single-phase 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.

Open-circuit voltage of a module or of a string (VOC): 1500V
short-circuit current of a module or of a string (ISC): 15A
I-V Curve of a module or of a string: 1500V/10A - 1000V/15A

Photovoltaic Testers (Performance Check)

PV-ISOTEST (HT Instruments)

PV-255s represents a real innovation in the panorama of PV verification and testing instrumentation. PV-255s measures the insulation resistance of a single module, a string or even an entire photovoltaic field up to 1,500 V DC according to IEC/EN62446 standard. Traditional insulation meters would require a DC-rated switch-box to short-circuit the positive and negative terminals of the module/string/PV field under test. With PV-255s the use of any external device is not required, PV-255s carries out the measurements in full autonomy and self-sufficiency. In addition, through the new GFL (Ground Fault Locator) function, PV-255s indicates the position of any poor insulation on a string of the photovoltaic system, due, for example, to water or humidity leakage.

Insulation measurement up to 1,500V DC even on live systems
Continuity of the protective conductor with 200mA
Localization of the faulty module through the new GFL function

SOLAR-515w (HT Instruments)

SOLAR-515w 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-515w, acquires the data relevant to irradiation and temperature while tests carried out by SOLAR-515w are carried out. For measuring I-V curve, SOLAR-515w 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.

Measurement of efficiency of a single-phase photovoltaic system
Measurement of I-V Curve of a module or of a string up to 1500V/10A - 1000V/15A
Measurement of open-circuit voltage of a module or of a string (VOC) 1500V
Measurement of short-circuit current of a module or of a string (ISC) 15A

SOLAR I-Ve (HT Instruments)

SOLAR I-Ve allows both testing a single-phase 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.

I-V curve tracing of PV modules and strings: 128 points
Measuring range of I-V curve / VOC-ISC: 1500V/10A - 1000V/15A
Quick IVCK test for measuring Voc and Isc on PV modules and strings: VOC 1500V / ISC 15A
Single-phase/three-phase photvoltaic systems’ testing: 1MPPT (3MPPT with MPP300)