Digital Clamp-On Meter Amp Plus. The 296 is a clamp-on plus DMM with True RMS and Harmonics capabilities capabilities. The 296 offers measurements in all basic electrical functions plus: True RMS: Provides accurate and dependable readings of non-linear loads. HDR Mode: Determines if a signal is clean or distorted. Bar Graph: When measuring frequency, bar graph indicates current level. TRIM Mode: Smooths out unstable readings. Peak Mode: For start-up and inrush currents. Sleep Mode: Preserves battery life Data Hold: Holds the reading on the display for easy viewing. CAT III 600 V rated cULus 61010 3-year limited warranty