HT Instruments PVCheck Installation Safety Tester

Last Updated
16 Mar 2023
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HT Instruments PVCHECK Installation Safety Tester Multifunction instrument to check safety, parameters and performance of a PV plant. The multifunction instrument PVCHECK allows prompt and safe electrical checks required for a PV system (section DC) as well as controls on working of modules / strings in accordance with IEC/EN62446 guidelines.

PVCHECK verifies the continuity of the protective conductors (and the associated connections) and executes insulation resistance measurement of the active conductors on a module, a string or a photovoltaic field in accordance with the requirements of IEC/EN62446, without the need of short-circuiting the positive and negative terminals. 

PVCHECK allows verification of a PV string's working in accordance with the requirements of IEC/EN62446 by measuring the open circuit voltage and short-circuit current under operating conditions and reporting the results to STC (by means of radiation measurement). It provides an immediate outcome for both absolute measurements and for measurements compared with the previously tested PV strings.

PVCHECK also allows carrying out performance analysis of PV array (DC) under operating conditions (connected to the inverter) providing an indication of the power generated and the efficiency of the field as specified by IEC/EN62446. IEC EN62446? Just in one test. Voc - Isc Insulation Resistance Continuity of protective conductors Check the insulation of the entire PV array with a single test. No longer need to wait for the night or cover the photovoltaic modules to verify insulation of the modules ... HT PVCHECK is able to perform the verification of the insulation system with voltage without the need to use an external switch to put in short-circuit the positive and negative terminals


Safety test of PV installation

Continuity test on protective conductors with 200mA

Insulation test with test voltage of 250, 500, 1000VDC

DC voltage

DC current

DC Power

Solar irradiation [W/m2] with reference cell

Environmental  and module temperature by means of PT1000 probe

SOLAR-02: remote unit for irradiance and temperature measurements (RF connection).

Recording of PV plant parameters (DC side) with programmable IP (5s – 60min)

Use of PDC compensation ratios according to environmental and module temperature

Use of relationship to maximize the DC efficiency

Outcome OK/NO

Check of PV string's working

Measurement of open circuit voltage up to 1000V DC

Measurement of short circuit current up to 10A DC

Measurement of temperature, automatic or by means of  PT1000 probe

Measurement of solar radiation [W/m2] with reference cell

Mechanical inclinometer for the detection of solar radiation incidence angle

Comparison with standard conditions (STC 1000 W/m2, 25°C)

Outcome of testing: OK / NO

Database to manage up to 30 types of photovoltaic modules

Internal memory for data saving

Optical/USB port for PC connection

Help on line on display

What's In The Box:

(1) KITGSC4 : Set 4 cables + 4 alligator clips

(1) KITPCMC3 : Set of 2 multi-contact one wire for MC3 connectors

(1) KITPCMC4 : Set 2 multi-contact one wire for MC4 connectors

(1) User manual on CD-ROM

(1) Quick reference guide

(1) ISO9000 calibration certificate

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