Siglent SDS1052DL Digital Storage Oscilloscope with Frequency Counter, 50MHz, 7'' TFT-LCD Display with a NIST-Traceable Calibration Certificate with Data 50MHz, two-channel digital oscilloscope for electronics applications such as product design, assembly lines, repair and servicing, and electrical engineering education Maximum real-time sample rate of 500MS/s per channel and record length of 32kpts per channel for acquiring detailed waveforms Advanced triggers for isolation of specific signals Built-in frequency counter measures real-time frequency from 10Hz to 50MHz 7" color TFT-LCD with an internal 8 x 18 division grid for viewing waveforms