The CAT III 1000V / CAT IV 600V safety rated Fluke ScopeMeter(R) 190-102 combines an unprecedented level of performance, ruggedness, and portability with 100MHz bandwidth and real-time sampling rates up to 1.25 GS/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(R) test tools are hand-held battery operated, designed to meet the demands of field service professionals.