The hand held 440 scope plus features an easy to use combination of a single input 1 MHz oscilloscope with True RMS DMM. True RMS Auto Ranging DMM offers increased accuracy over average responding multimeters 1MHz Oscilloscope can be used to view power signals to determine quality as well as correct amplitude and frequency, assisting in finding and preventing problems Trend Mode enables surges and dropouts to be graphed. Communication to a PC using optional RS-232 cable and software cULus 61010-1 CAT II - 1000V, CAT III - 600V 3 Year Limited Warranty

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