The Fluke 190 series III ScopeMeter is a portable oscilloscope that offers technicians a precision troubleshooting tool they can take with them to any job site. This category III/IV rated test tool features fast sample rates and deep memory per channel allowing for a very high capture rate for accurate measurements. Available in either a 2- or 4-channel version, the Fluke 190 features TrendPlot(c) Paperless Recorder, ScopeRecord(c) mode, Connect-and-view(c) triggering, and a unique 100-screen Replay function to help quickly diagnose issues and minimize repair cost and downtime. This tool is simple to use when diagnosing difficult concepts like complex waveforms, induced noise, intermittent events and signal fluctuations or drift.