3GHz Universal Counter, 12 Digits, unit with option: 030= Additional input 3GHz The Agilent (now Keysight) 53132A universal counter has frequency resolution of 12 digits per second, 150 ps time interval resolution and a complete set of test and analysis features. The unit comes with two 225 MHz channels, and you can choose an optional third channel that measures up to 3 GHz, 5 GHz or 12.4 GHz. Need a higher performance universal counter? From fast signal processing to automated limit tests, the Agilent 53132A has the tools to do the job quickly and correctly. Measurements include frequency, frequency ratio, time interval, rise/fall time, phase, duty cycle, positive/negative pulse width, totalize, peak voltage, time interval average and time interval delay Automated limit tests and one-button measurement setups for fast, easy operation Two 225 MHz input channels, plus optional third channel up to 12.4 GHz (Third Channel: This unit has 3 GHz) Built-in statistics feature lets you simultaneously measure average, min/max, and standard deviation 12 digits per second, 150 ps time interval resolution GPIB Standard, USB optional