The Tektronix 2445B Auto-Measuring Oscilloscope has automatic push-button setup and measurements. In addition, the 2445B uses new pushbutton probes that take the full bandwidth to the probe tip, where you really need it. The 2445B has a bandwidth of 150 MHz and 1% timing accuracy. High-resolution timing measurements with sweep speeds to 1ns/div. The 2445B has true 4-channel capability which includes two channels optimized for logic signals. 3-channel X-Y comparisons such as multiple transducer measurements.