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PM6681 Fluke Frequency Counter

The PM6681 is a Frequency Counter from Fluke. When an engineer needs a piece of electronic test equipment that will accurately measure frequency, he or she uses a frequency counter. Frequency counters measure a repetitive electronic signal’s oscillations per second. This tool uses a frequency counter, which analyzes the number of oscillations or pulses in a specific time. There are frequency counters designed for radio and microwave frequencies, depending on the application.

Additional Features:

  • 50 ps single-shot time interval resolution (1 ps averaged)
  • 1.25 mV vertical resolution
  • 300 MHz range, options to 4.5 GHz
  • 8k readings/s to internal memory
  • 250 readings/s over GPIB
  • Continuous single-period measurements at up to 40k readings/s
  • Unique hold-off and arming delay facilities to measure any part of any complex signal
  • TimeView™ PC software for time and frequency analysis

The Fluke PM 6681 timer/counter spans a frequency range of up to 8 GHz, which enables calibration of microwave links, communications and radar equipment. You can make frequency measurements accurately and easily, not only on continuous carrier waves, but also on burst signals. Resolution With the high resolution/speed performance of 11 digits/s, these counters are ideal tools for frequency measurements on telecom systems. Time interval measurements down to 1ps average and 50 ps single shot are supported.

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