Toptronic 10kV Variable - Advanced Digital Insulation Resistance Tester • 20 Insulation test voltages (500V - 10kV) • Heavy duty carry case • Polarization index* • Dielectric absorption ratio* • Live circuit warning • Auto discharge • 10min timer • Insulation time interval test up to 99 sec selectable Model Specification: · Dimensions (mm): 330(L) x 260(W) x 150(H) · Weight: 3,6kg · Power source: 8 x 1.5V C Batteries