Fluke 1663 Installation Tester. Provides the following tests
Continuity test under 200mA, Loop Impedance without triggering an RCD can be set for 10,30,100,300,500,650mA & 1A. Insulation resistance measurement under 1000V. Measure earth plug resistance by earth rods (Rods not in kit). Voltage measurements
Instructional video for the Fluke 1663 FVF Installation Tester