Fluke Precision PM6685R 300 MHz Rubidium Frequency Counter
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