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S661-1-1-0-0-0

53220A/903/010

Keysight Technologies

Frequency Counters 350 MHz Universal Frequency Counter/Timer, 12 digits/s, 100 ps
53210A/903

Keysight Technologies

Frequency Counters RF Counter 350MHz 100-240V,US Pwr Cord
53220A/903

Keysight Technologies

Frequency Counters Universal Counter 100-240V,US Pwr Cord
53230A/903

Keysight Technologies

Frequency Counters Universal Counter 100-240V,US Pwr Cord
1856D

B&K Precision

Frequency Counters 3.5 GHz Multifunction Counter (Frequency, Period, Totalize)

Part	Manufacturer	Stock	Description
S661-1-1-0-1-0	Simpson Electric Company	30	Frequency Counters S661 PRESET RATE COUNTER
S661-1-1-2-0-0	Simpson Electric Company	30	Frequency Counters S661 SERIES COUNTER
S661-1-1-2-1-0	Simpson Electric Company	30	Frequency Counters S661 SERIES COUNTER
S66111100	Simpson Electric Company	30	Analog Panel Meters RATE, 120VAC, PLSE, 1R
S66111110	Simpson Electric Company	30	Analog Panel Meters RATE, 120VAC, PLSE, 1R, 12V
S66112000	Simpson Electric Company	30	Analog Panel Meters RATE, 120VAC, QUAD
S66112010	Simpson Electric Company	30	Analog Panel Meters RATE, 120VAC, QUAD, 12V
S66112100	Simpson Electric Company	30	Analog Panel Meters RATE, 120VAC, QUAD, 1R
S66112110	Simpson Electric Company	30	Analog Panel Meters RATE, 120VAC, QUAD, 1R,12VDC
S66112200	Simpson Electric Company	30	Analog Panel Meters RATE, 120VAC, QUAD, 2R
S66112210	Simpson Electric Company	30	Analog Panel Meters RATE, 120VAC, QUAD, 2R, 12V
S66121000	Simpson Electric Company	30	Analog Panel Meters TOTL,120VAC,QUAD,1R,12V
S66121010	Simpson Electric Company	30	Analog Panel Meters RATE, 240VAC, PLSE, 12V
S66121110	Simpson Electric Company	30	Analog Panel Meters RATE, 240VAC, PLSE, 1R, 12V
S66121200	Simpson Electric Company	30	Analog Panel Meters RATE, 240VAC, PLSE, 2R