Slovenian measurement equipment manufacturer Metrel has released a new multifunctional electrical installation safety tester for PV systems. Its MI 3114 PV Tester can test systems with a maximum voltage of up to 1,500 V and a maximum short circuit current of 40 A.
“It supports testing in compliance with the IEC 62446-1 standard and supports all measurement procedures, which cover all category 1 tests,” the company said. “This includes PV-specific measurements like insulation resistance measurement of PV strings, Isc and Uoc measurements, as well as the calculation of measured results to STC values and comparison with nominal values given by the PV module's manufacturer.”
The product has various accessories and a “standard” or “pro” configuration. The latter includes a remote Wi-Fi unit for measuring the irradiation and cell temperature of PV modules. The MI 3114 is controlled locally by a color touchscreen display.
The safety tester measures 31 cm x 13 cm x 25 cm and weighs 4.4 kg. The optional remote unit weighs 1 kg and measures 14 cm x 8 cm x 23 cm. Both work at an altitude of up to 4,000 meters.
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