Kyoritsu 3005A digital insulation continuity tester has insulation resistance, test voltage 250V/500V/1000V, measuring ranges 20MΩ/200MΩ/2000MΩ, output voltage on open circuit rated test voltage+20% / -0%, nominal current 1mA DC min, output ShortCircuit current 1.5 mA DC approx. Made in Japan.