Usado testing machines en Japón

SUPER MEGOHM METER SM7420

Number of channels: 4 ch | Dc current measurement: 20 pA range (0.1 fA resolution), Accuracy: ±(2.0 % of rdg. +30 dgt.) 200 pA range (1.0 fA resolution), Accuracy: ±(1.0 % of rdg. +30 dgt.) 2 nA range (10 fA re...