Aditeg Model AM-1000 Digital Insulation Tester Made in China Insulation resistance Display 3 ¾ Digital , Max Display : 3999 , Overload protection Test voltage 250V/ 500V/ 1.000V Measuring ranges 200k ~40G Ω , autorange Accuracy 200K200M ( ±3%+5 ) , 200M~4G Ω ( ±5%+5 ) , 4G~40G Ω ( ±10%+5 ) Short circuit 1,5 mA Measurement time 1 / 2 / 10 min DC V Test 400m/ 4/ 40/ 400V ( ±0.5%+5 ), 1000V ( ±0.8%+5 ) AC V Test 4/40/400V ( ±0.8%+5 ), 700V ( ±1%+5 ) DC A Test 40mA/400mA ( ±0.8%+5 ) AC A Test 40mA/400mA ( ±1%+5 ) Ressistance 400/4k/40k/400k Ω ( ±0.8%+5 ) , 4M Ω ( ±1%+3 ) , 40M Ω ( ±2%+3 ) Capacitance 40n/400n/4u/40uF±3%+5 Frequency 40/400/4k/40k/400k/4MHz ( ±0.5%+3 ) Back light, Function characters indication Continuity buzzer Diode Test Accessories termasuk * Carrying Case * Battery A2= 6 pcs * Test lead amp; alligator clips, user manual