是德3458A台式数字万用表

●Measure with confidence with up to 8 ppm 1-year direct current voltage (DCV) accuracy
(4ppm with option)
●Maximize productivity with fast measurement speeds up to 100,000 readings/s
●Prolonged data logging with up to 148,000 reading memory (now comes as standard)
●Self-adjusting and self-verifying auto-calibration capability
●Code compatible with previous version; RoHS compliant