Fluke PM 6681R

300 MHz Rubidium Frequency Counter/Calibrator
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Description
The PM 6681R sets the new standard for measurement and analysis of time intervals, frequency, phase and jitter. For development, calibration, or challenging production test applications, the PM 6681R is the leader. Fluke PM 6681R Performance Characteristics:
  • Form Factor: Benchtop
  • Number of Channels: 2 ch
  • Minimum Frequency, Ch. 1: 0 Hz
  • Maximum Frequency, Ch. 1: 300 MHz
  • Sensitivity, Channel 1: 20 mV
  • Maximum Input Voltage, Ch. 1: 350 V
  • Input Impedance, Ch.1: 1 MOhm
  • Input Attenuation, Ch 1: x1,x10
  • Input Coupling, Ch 1: AC,DC
  • Minimum Frequency, Ch. 2: 0 Hz
  • Maximum Frequency, Ch. 2: 100 MHz
  • Sensitivity, Channel 2: 20 mV
  • Input Impedance, Ch. 2: 1 MOhm
  • Input Attenuation, Ch 2: x1,x10
  • Input Coupling, Ch 2: AC,DC
  • Time base stability: 0.00000000002 /yr
  • Measurement Throughput: 0.000125 s
  • External Time base reference: 10 MHz
  • List of Options
    076 Standard version w/Rubidium Time base, Select model PM 6681R
    Specifications & Attributes (Counters/Timers)
    Form Factor
    Benchtop
    Frequency Range
    4.5 GHz

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