As the first two-channel portable scope safety rated CAT III 1000V / CAT IV 600V, the Fluke ScopeMeter® 190-202 combines an unprecedented level of performance, ruggedness, and portability with 200 MHz bandwidth and real-time sampling rates up to 2.5GS/s and 200 ps resolution to capture noise and other disturbances. This model feature deep memory up to 10,000 samples per channel; so you can examine very small parts of the waveform in detail, and it is IP-51 rated to withstand dust, drips, humidity, and wide temperature variations. Fluke ScopeMeter® test tools are hand-held battery operated, designed to meet the demands of field service professionals. Features Two electrically isolated inputs CAT III 1000V / CAT IV 600V safety rated 200 MHz bandwidth model 2.5 GS/s Deep memory: 10,000 samples per channel waveform capture so you can zoom in on the details Dedicated 5000 Count digital multimeter Connect-and-View continuous auto-trigger, single shot, pulse width, and video triggering ScopeRecord roll mode, capture waveform sample data for up to 48 hours TrendPlot, trend measurement readings for up to 22 days Advanced automatic measurements, power (Vpwm, VA, W, PF) and time (mAs, V/s, w/s) IP-51 rated for dust and drip proof to withstand harsh environments Isolated USB ports for memory devices and PC connectivity Li-Ion battery for extended operating timespan Up to 4 hours (BP290 included standard) or up to 8 hour with optional BP291 Charge spare battery using optional external battery charger EBC290 Easy-access battery door to make it easy to swap batteries A handy slot to tether and lock down the oscilloscope while unattended using a standard Kensington® lock