The Besantek BST-IT116 15kV Digital High Voltage Insulation Tester is designed to evaluate wires and cables for proper insulation tolerances. The microprocessor controlled BST-IT116 can test insulation resistance up to 6TΩ and AC/DC voltage up to 600V. The tester offers 30 insulation test voltages with auto-ranging on all insulation ranges. It also provides PI (Polarization Index) and DAR (Dielectric Absorption ratio) indications.