Na'urar Firikwensin Matsi/Mai Rarrabawa/Mai Canzawa

Mutane da yawa na iya rikitar da bambance-bambance tsakanin na'urar firikwensin matsa lamba, na'urar firikwensin matsa lamba, da na'urar watsawa matsin lamba a matakai daban-daban. Waɗannan kalmomi uku suna iya canzawa a ƙarƙashin wani yanayi. Ana iya bambanta na'urorin firikwensin matsa lamba da na'urorin watsawa ta hanyar siginar fitarwa. Ana iya bayyana na farko da siginar fitarwa ta 4-20mA yayin da na ƙarshe ke da siginar millivolt. A wata ma'anar, ana iya ƙayyade kalmar da ta dace bisa ga siginar fitarwa da aikace-aikacen.

Firikwensin Matsi

Na'urar firikwensin matsi kalma ce ta gabaɗaya ga duk nau'ikan matsi, na'urar da ake amfani da ita don auna matsin lamba. A al'ada, siginar fitarwa ta millivolt tana riƙe sigina mai ƙarfi ba tare da asara ba lokacin da aka sanya irin wannan na'urar a nesa da ƙafa 10-20 daga na'urorin lantarki. Kayan samar da wutar lantarki na 5VDC tare da siginar fitarwa ta 10mV/V yana samar da siginar fitarwa ta 0-50mV. Tsohuwar fasaha tana samar da 2-3mV/V kawai (millivolts a kowace volt) yayin da na zamani ke iya samar da 20mV/V cikin aminci. Siginar fitarwa ta millivolt tana ba da sarari ga injiniyoyi don daidaita siginar fitarwa bisa ga takamaiman buƙatun tsarin da rage girman fakiti da farashi.

Na'urar Canza Matsi

Fitowar na'urar jujjuyawar matsi ita ce ƙarfin lantarki mai girma ko siginar mita, gami da rabon 0.5 4.5 V, 1 - 5 V da 1 - 6 kHz. Siginar fitarwa tana daidai da wadatar gabaɗaya. Siginar fitarwa ta wutar lantarki tana iya bayar da ƙarancin amfani da wutar lantarki ga kayan aikin da ke aiki da batir mai nisa. Ƙarfin wutar lantarki daga 8-28 VDC yana buƙatar wadata mai tsari ta 5VDC, sai dai fitarwa ta 0.5 - 4.5V. Matsalar siginar fitarwa ta tsohuwar wutar lantarki tana cikin babu "sifili mai rai", akwai sigina lokacin da na'urar firikwensin ba ta da matsin lamba. Tsohon tsarin sau da yawa yana kasa gano bambanci tsakanin na'urar firikwensin da ta gaza ba tare da fitarwa ba da matsin lamba sifili.

Mai watsa matsin lamba

Mai watsa matsi yana aiki ta hanyar auna ƙarfin lantarki na na'urar, maimakon ƙarfin lantarki. Mafi kyawun yanayin shine siginar fitarwa ta yanzu 4-20mA.masu watsa matsin lambaan tsara su ne don sa ido kan matsin lamba na tasoshin ruwa, bututun mai ko tankuna a ainihin lokaci. Masu watsa matsi na 4-20mA suna ba da kariya daga hayaniya ta lantarki (EMI/RFI), kuma za su buƙaci samar da wutar lantarki ta 8-28VDC. Saboda siginar tana samar da wutar lantarki, tana iya cinye ƙarin rayuwar batir idan tana aiki a cikakken matsin lamba.

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