300 MHz Rubidium Frequency Counter
Fluke PM 6685R Overview
Fluke PM 6685R Performance Characteristics:
Form Factor : Benchtop
Number of Channels: 1 ch
Minimum Frequency, Ch. 1: 10 Hz
Maximum Frequency, Ch. 1: 300 MHz
Sensitivity, Channel 1: 20 mV
Input Impedance, Ch.1: 1 MOhm
Input Coupling, Ch 1: AC
Time base stability: 0.0000000005 /yr
Trigger Source: External,Internal
Measurement Throughput: 0.000625 s
External Time base reference: 10 MHz Fluke Precision (Fluke) PM 6685R Measurements/Features
300 MHz basic input range;options for 1.3 GHz, 2.7 GHz,4.2 GHz or 4.5 GHz
Ultra High Stability Oven: upto 5 x 10-9within 10 min
Battery supply in combinationwith Ultra High Stability Ovenfor On-Site calibration
Displays 10 digits in a second
Smart AUTO trigger eliminates guesswork, provides error-free measurements
Analog Bar Graph displays signal strength and input sensitivity to assist instrument setup and RF tuning
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