Display the 4-string IV curve on the same screen and identify abnormal strings through relative comparison.
The I-V characteristic measurement device "String Tracer SPST-A1/A2" is a device that detects electrical string abnormalities in solar cell modules, ranging from residential to industrial and mega-solar applications. By using it for module condition assessment during installation and regular inspections, inspection efficiency can be improved. It is a product of the "Solar Cell Fault Location Identification Device - PV Doctor Series." 【Features】 ○ Four measurement modes → Mobile I-V characteristic measurement, simultaneous I-V characteristic measurement, string voltage/current measurement, voltage tester ○ Easy condition assessment due to relative comparison method between strings (short time) ○ Results can be saved to an SD card, and data can be utilized on a PC → Data management software is compatible with Windows 7 ○ Relative comparison method does not require a pyranometer or temperature sensor (optional) → Less affected by weather changes ○ When performing STC (Standard Test Conditions) conversion, a pyranometer and temperature sensor (optional) are required For more details, please contact us or download the catalog.
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basic information
**Response functions for failure modes of solar cell modules** ○ Mobile I-V characteristic measurement (with connection box breaker OFF) → Use only 1 channel to measure the I-V characteristics of the string → Results are displayed on the same graph for up to 4 strings → Only 1 channel is used, so there is no hassle of reconnecting for sequential measurements ○ Simultaneous I-V characteristic measurement and string status check (with connection box breaker OFF) → Measure the I-V characteristics of the strings simultaneously and save the results → All measurement data (up to 4 for SPST-A1 type, up to 2 for SPST-A2 type) can be displayed simultaneously in a "graph" → Measure open-circuit voltage (Voc) to determine if relative comparison of I-V characteristics is valid ○ String voltage/current measurement (with connection box breaker ON and power conditioner operating) → Measure and save the voltage and current of the string simultaneously at regular time intervals → Continuous measurement for up to 7 days is possible → Results can be displayed as "numerical data" or "graph" ○ Voltage tester (open-circuit voltage measurement) → Capable of measuring the open-circuit voltage of the string ● For more details, please contact us or download the catalog.
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Applications/Examples of results
【Purpose】 ○ Detecting string abnormalities in solar cell modules of solar power generation systems (PV systems) ○ Efficiently inspecting the condition of solar cell modules during installation and regular inspections ● For more details, please contact us or download the catalog.
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