
Wani electrical transducer shine wani karamin tsaɓi mai kyau da ya fi sanya abubuwa na kayan addini zuwa abubuwa na kayan addini da ya danganta da shi kamar voltage ko electric current. Saboda haka, yana sanya abubuwan da za su iya ci gaba a kan abubuwan da za su iya amfani da su a cikin kayan addini. Wannan abubuwa da za su iya ci gaba zai iya kasance pressure, level, temperature, displacement, kadan da sauransu. Amsa da aka samu daga transducer ya fi sanya a cikin kayan addini kuma ana danganta da abubuwan da aka ci gaba. Misali, wani temperature transducer zai sanya temperature zuwa electric potential. Wannan amsar da aka samu zai iya amfani da ita don ci gaba ko nuna abubuwar.
Instrumentation yana da muhimmanci a cikin tattalin arziki. Instrumentation yana da muhimmanci a cikin tattalin masu amfani da duk mutane kamar flow, level, temperature, angle, displacement, kadan da sauransu. Wani tattalin basic instrumentation na da karamin tsaɓi. Daga cikin waɗannan karamin tsaɓi akwai wani transducer. Transducer yana da muhimmanci sosai a cikin tattalin instrumentation.
Kara ka duba cewa wani karamin tsaɓi da ya fi sanya nau'in energy zuwa nau'in bata zai ake kira transducer. Misali, wani speaker zai iya ake kira transducer saboda ya sanya electrical signal zuwa pressure waves (sound). Amma wani electrical transducer zai sanya abubuwan na kayan addini zuwa abubuwan na kayan addini.
Akwai nau'o'i da dama nau'in transducer, za su iya kula da karfin daidai:
Temperature transducers (misali, thermocouple)
Pressure transducers (misali, diaphragm)
Displacement transducers (misali, LVDT)
Oscillator transducer
Flow transducers
Inductive Transducer
Photovoltaic (misali, solar cell)
Piezoelectric transducer
Chemical
Mutual induction
Electromagnetic
Hall effect
Photoconductors
Active transducers suna da muhimmanci saboda ba su buƙaci kirkiroko ba don harkar su. Sun yi aiki a cikin energy conversion principle. Sun bayyana electrical signal da ya danganta da input (abubuwan na kayan addini). Misali, wani thermocouple shine active transducer.
Transducers da su buƙaci kirkiroko waje don harkar su suna ake kira passive transducer. Sun bayyana amsa a cikin some variation in resistance, capacitance ko any other electrical parameter, kuma za su iya sanya zuwa equivalent current or voltage signal. Misali, wani photocell (LDR) shine passive transducer wanda ya fi sanya resistance of the cell idan light ya faru a kan. Wannan sama ta resistance zai sanya zuwa proportional signal with the help of a bridge circuit. Saboda haka, photocell zai iya amfani da ita don ci gaba intensity of light.
Duk da wannan shine figure of a bonded strain gauge wanda shine passive transducer da ake amfani da ita don ci gaba stress ko pressure. Idan stress on the strain gauge yana ɗauko ko ɗaya, strain gauge zai ɗauko ko ɗaya, kuma resistance of the wire bonded on it zai ɗauko ko ɗaya. Wannan sama ta resistance which is equivalent to the change in stress zai ci gaba with the help of a bridge. Saboda haka, stress zai ci gaba.
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