Million Meg Ohm Meter / Leakage Current Tester, Model: HIR-603 Mega Ohm Range - 100 Kilo Ohm To 100 Tera ohms, Leakage Current 10 Milli Ampere To 1 Nano Ampere, Test Voltage 10 Volts DC To 1000 Volts. http://www.laxtronics.com/products/hir603.php