02154nam a2200277 a 4500 vtls000055036 KUKTEM 20251114204500.0 110722t2009 my a f m 000 0 eng d THE0006775(Local) 201905290936 amirul 201107251158 jamie 201107221536 ida UMP TK2851 .I99 2010 rs Bc. Muhammad Izzat Zakariah Contactless tachometer / Muhammad Izzat Zakariah Contactless tachometer [computer file] Kuantan, Pahang : UMP, 2010 40 p. : ill. (some col.) ; 30 cm. + 1 computer disc Project paper (Bachelor of Electrical Engineering (Electronics)) -- Universiti Malaysia Pahang - 2010 Bibliography : p. 39-40 A tachometer is a device that measures the rotation speed of a shaft or disk, as in a motor of other machine. In automotive use, it is used as a gauge showing the speed (RPM) of the engine shaft that is driving the transmission, usually in thousands of rotations per minute. What makes this device special is that it can very accurately measure the rotational speed of a shaft without even touching it. This is very interesting when making direct contact with the rotating shaft is not an option or will reduce the velocity of the shaft, giving faulty readings. This device is built on a microcontroller, an alpha-numeric LCD module, a battery and a proximity sensor or an infrared to detect the rotation of the shaft whose speed is being measured. If we were using proximity sensor, the counted pulses will detect any reflective element passing in front of it, and thus, will give an output pulse for each and every rotation of the shaft. But if we were using infrared, we will put the infrared on both shaft and the tachometer. Those pulses which we get from every rotation of the shaft will be fed to the microcontroller and counted Electric driving Tachometer Programmable controllers 0 0 0 1 20000 20000 2019-09-04 0 TK2851 .I99 2010 rs Bc. 0000058179 2019-09-04 00:00:00 1 2019-09-04 PSM 0 0 0 1 20000 20000 2019-09-04 0 CD 5285 | TK2851 .I99 2010 rs Bc. 0000058180 2019-09-04 00:00:00 1 2019-09-04 PSM VIRTUA40 2792 2798 VTLSSORT0080*0200*0400*0900*1000*2450*2460*2600*3000*5020*5040*5200*6500*6501*6502*9992