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A tachometer (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. [1] The device usually displays the revolutions per minute (RPM) on a calibrated analogue dial, but digital displays are increasingly common.
Smiths Group has its origins in a jewellery shop, S Smith & Sons, which was founded by the watchmaker and businessman Samuel Smith. Supplying its precision watches to various clients, including the Admiralty , the business quickly grew and expanded into a major provider of timepieces, diamonds , and automotive instrumentation. [ 4 ]
This page was last edited on 12 April 2017, at 22:03 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
GE Aviation Systems (formerly Smiths Aerospace) is an American aerospace engineering, aircraft engine and aircraft parts manufacturer. Smiths Aerospace was formerly one of four business units of Smiths Group plc. , an engineering company and constituent of the FTSE 100 share index.
As a privately held company, Smith provides annual revenue figures to supply chain and semiconductor industry media. [7] In 2005, Smith sales exceed $500 million for the first time. Annual revenue passed $810 million in 2016, followed by four years of over $1.35 billion from 2017-2020.
The Smith chart (sometimes also called Smith diagram, Mizuhashi chart (水橋チャート), Mizuhashi–Smith chart (水橋スミスチャート), [1] [2] [3] Volpert–Smith chart (Диаграмма Вольперта—Смита) [4] [5] or Mizuhashi–Volpert–Smith chart) is a graphical calculator or nomogram designed for electrical and electronics engineers specializing in radio ...
The specific model pictured above is the "Rev 3", first released in 1980. At the time, Smith had a full-time job working with microprocessors, then a new technology. He conceived the idea of combining them with synthesizer chips to create a programmable synthesizer, but did not pursue the idea, assuming Moog or ARP would design the instrument ...
A rev limiter is a device fitted in modern vehicles that have internal combustion engines. They are intended to protect an engine by restricting its maximum rotational speed, measured in revolutions per minute (RPM). Rev limiters are pre-set by the engine manufacturer. There are also aftermarket units where a separate controller is installed ...