ISensom yoxinzelelo/i-Transmitter/Transducer

Abaninzi banokubhideka malunga nomahluko phakathi, inzwa yoxinzelelo, i-presser transducer kunye ne-pressure transmitter kwinqanaba elahlukileyo. La magama mathathu ayatshintshelana phantsi komxholo othile. Izinzwa zoxinzelelo kunye nee-transducers zinokuhlukaniswa ngophawu oluphumayo. Eyangaphambili inokuchazwa nge-4-20mA yokuphuma kwesignali ngelixa kamva kunye nesignali ye-millivolt. Ngamanye amazwi, ixesha elifanelekileyo linokumiselwa ngokwesiginali yemveliso kunye nokusetyenziswa.

ISensom yoxinzelelo

Inzwa yoxinzelelo ligama eliqhelekileyo kuzo zonke iintlobo zoxinzelelo, isixhobo esisetyenziselwa ukulinganisa uxinzelelo. Ngokwesiqhelo, isiginali yemveliso ye-millivolt igcina isiginali eyomeleleyo ngaphandle kokulahleka xa isixhobo esinjalo sifakwe i-10-20 iinyawo kude nombane. Ukunikezelwa kwe-5VDC kunye ne-10mV / V ye-output signal ivelisa i-0-50mV ye-output signal. Ubuchwephesha obudala buvelisa kuphela i-2-3mV / V (millivolts nge-volt) ngelixa i-state-of-art ikwazi ukuvelisa i-20mV / V ngokuthembekileyo. Imveliso yeMillivolt ibonakalisa iindawo ezisecaleni zeenjineli zokulawula umqondiso wokuphuma ngokweemfuno zenkqubo ethile kunye nokunciphisa ubungakanani bephakheji kunye neendleko.

ITransducer yoxinzelelo

Imveliso yoxinzelelo lwe-transducer yinqanaba eliphezulu lombane okanye isignali yefrikhwensi equka i-0.5 4.5 V ratiometric, 1 - 5 V kunye ne-1 - 6 kHz. Isiphumo sesingal silingana nonikezelo ngokubanzi. Iimpawu zemveliso ye-voltage ziyakwazi ukubonelela ngosetyenziso oluphantsi lwangoku lwezixhobo ezisebenza nge-batter ekude. Unikezelo lombane olusuka kwi-8-28 VDC lufuna unikezelo olulawulwayo lwe-5VDC, ngaphandle kokuphuma kwe-0.5 - 4.5V. Ingxaki ekhohlisayo yeempawu zombane ezindala azikho "kwi-zero ephilayo", kukho umqondiso xa inzwa ikuxinzelelo lwe-zero. Inkqubo endala ihlala isilela ukufumana umahluko phakathi kwenzwa engaphumeleliyo ngaphandle kokuphuma kunye noxinzelelo lwe-zero.

IsiThuthi soxinzelelo

Isidlulisi soxinzelelo sisebenza ngomlinganiselo wangoku wesixhobo endaweni yombane. Olona phawu lucacileyo luphawu lwangoku lwemveliso 4-20mA. Lonnmeterabathumeli boxinzeleloziyilelwe ukujonga uxinzelelo lwemikhumbi, imibhobho okanye iitanki ngexesha lokwenyani. I-4-20mA i-pressure transmitters inika i-immunity elungileyo yengxolo yombane (EMI/RFI), kwaye iya kufuna unikezelo lwamandla lwe-8-28VDC. Ngenxa yokuba isignali ivelisa yangoku, inokusebenzisa ubomi bebhetri obuninzi ukuba isebenza ngoxinzelelo olupheleleyo.

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