The Keysight 53200 Series of 350 MHz RF and universal frequency counter/timers serve all of your frequency and time interval measurement needs. Three available models offer resolution capabilities up to 12 digits/sec single-shot frequency resolution on a one second gate. Single-shot time interval measurements can be resolved down to 20 psec. All models offer new built-in analysis and graphing capabilities to maximize the insight and information you receive. Use the connectivity of your choice: LXI-C/Ethernet, USB, GPIB. Additionally, an optional battery is available to increase portability and maintain timebase accuracy.