Fluke FLUKE 190 504 III Handheld Oscilloscope Portable Handheld Digital Oscilloscopes, Fully Isolated, Auto, True RMS 10G657 Characteristics Improves Heat Transfer Characteristics Improves Heat Transfer Thicker Core for Strength Impact Rated No Shank Shape 3 Flat Drill Bit Point Type Split Point Web Thinning Thicker Material Machining High Speed Steel Number of Drill Bits 29 Shank Type Machining Straight with Three Flats Measurement System Fractional Inch Flute Type Parabolic Drill Bit Case Type Box Standards Not Rated Coolant Fed Non Coolant Through Products By Industry Electrical IEC 61010 2 030: CAT IV 600V CAT III 1000V Battery Run Time 7 hr Number of Channels 4 Basic AC Voltage Accuracy + (1 4 Channels