The 5360A Computing Counter is provided with an 5365A Input Module. A general purpose counter with built-in arithmetic capability. DC to 320MHz direct count frequency range. Measurement resolution of 1 part in 10E+10 per second of gate time. ±100 ps single shot time interval resolution with 5379A Plug-In. With 10536A Plug-In adapter, it accepts 5245 series Plug-Ins. Price is for basic unit with 5365A Input Module only.