Fluke 190-204/AM 4 Channel LCD Color ScopeMeter Oscilloscope, 200 MHz Bandwidth, 1.7ns Rise time Handheld, four-channel digital oscilloscope for viewing electrical signals with multimeter mode for measuring voltage, frequency, duty cycle, and power Real-time sample rate is 1.25GS/s for 100MHz models and 2.5GS/s for 200MHz models, and record length is 10,000 points per channel for acquiring detailed waveforms Zoom function, three math functions plus FFT, and automatic and cursor measurements for analyzing waveforms 6" color LCD shows up to four readings or waveforms simultaneously Meets EN and IEC 61010-1:2001 and 61010-031:2002+A1:2008, ANSI/ISA 61010-1 (82.02.01), and CAN/CSA C22.2 61010-1-04 safety standards, and is rated CAT III installations to 1,000V and CAT IV installations to 600V