Comparison table by model Model number B2911B Number of channels 1 or 2 Output range Max. voltage 210 V Max. current (DC) 3.03 A Max. current (Pulse) 10.5 A Source resolution Digit 6.5 digit Min. voltage 100 nV Min. current 1 pA Lowest current range 10 nA Measurement resolution 6.5 digit Min. voltage 100 nV Min. current 10 fA Min. trigger interval 10 μs Max. trigger count Infinite Max. data buffer size 100,000 Limit test Yes Fast transient mode Yes Easy file access Yes View mode Single view Yes Dual view Yes Graph view Yes Roll view Yes