The GOSSEN METRAWATT PROFITEST 204 Installation Tester is a high-quality product from Germany, designed by the reputable brand Gossen Metrawatt. This unit is specifically designed for testing the quality of electrical installations, providing accurate and reliable results. With its focus on precision and efficiency, it is a valuable tool for professionals in the electrical industry. Made in Germany, it ensures top-notch craftsmanship and performance for all your testing needs. No idea how it works It turns on as pictured and has 1 key Selling as spares and repairs as no idea how to test it
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