Fluke 1663 Installation Multifunction Tester

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The Fluke 1663 Multifunction Tester is a versatile instrument engineered to cover a wide spectrum of electrical diagnostic tasks. It reliably checks continuity between L-N and N-PE inputs, ensuring proper wiring connections, and is adept at testing smooth DC-sensitive RCDs (Type B). Additionally, it measures critical parameters such as earth resistance, voltage, and frequency, providing comprehensive insights into system performance. The tester comes equipped with multiple test voltage options—including 50 V, 100 V, 250 V, 500 V, and 1000 V—making it suitable for diverse applications, and it features a 6 mA RDC-DD testing mode specifically designed for assessing EV charging station circuits.