Speed counter

1.(Mach.) A device for automatically counting the revolutions or pulsations of an engine or other machine; - called also simply counter.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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Applications for these nitride (AlGaN/GaN) double barrier heterostructure based tunnel diodes included local oscillators for UHF television tuners, trigger circuits in oscilloscopes, high speed counter circuits, and very fast rise time pulse generator circuits [1, 3].
The EXF-RC15 supports up to 3 high speed counter (HSC) or shaft encoder input channels, at up to 200KHz, also 4 pulse width modulators (PWM) outputs or up to 3 pulse train outputs (PTO), at 200KHz max, that can be used for accurate stepper motor control.
The speed counter on the instrument console flit in the mid-140s at around 7,000rpm.
The Easiweigh Twin Lane high speed Counter has been specially designed to require minimum maintenance, with quick release parts for easy cleaning, constructed of high quality products to prevent deterioration and fully supported by experienced sales and service team to minimise any unlikely down time.
Villarreal, conquerors of Everton, Manchester United and Rangers this season, showed again they are a match for the best in Europe as they frustrated the Italians with high speed counter attacking.
A council spokesman said"The council is committed to road safety, and has arranged to install a vehicle speed counter on this section of road at Penygroes in order to ascertain the exact speeds of traffic.
The device also has an integral pressure, temperature and uncorrected rate calculation (via high speed counter).
Features include dual, slow speed counter rotating shafts with cutter disks, inlet and jam-proof operation.
The high speed counter can fill into any type of container, providing complete fexibility and maximising its usage within any production operation.
The VersaMax Micro 64 High Speed Counter supports four independent 100 kHz type A counters, or one type B counter for precise motion positioning.