The UNI-T UT593 Multifunction Installation Tester is widely used to measure RCD, insulation and earth connections for various equipment, and is an ideal tool for testing, inspection and maintenance for electric devices and RCDs. UNI-T UT593 Multifunction Installation Tester Features 9999-count LCD display with analogue bar 250V~1000V DC insulation resistance test 200mA earth-resistance continuity test Loop impedance/Prospective Fault Current (PFC)/Prospective Short Current (PSC) test Lock test RCD trip time test and the data storage with one key Full/Half wave and count downing (30s) test mode selectable 0°/180° phase angle option to detect the fastest trigger time Trip current test of RCD trip time X2 RCD trip trigger current test Phase sequence and missing test AC/DC voltage auto check and test Connection check with status real-time display White backlight; auto power off
