Gasi Mass Flowmeter yokhala ndi Kulondola Kwambiri

Kufotokozera Kwachidule:

MD-FM340 gas mass flow sensor imapangidwa ndi ma micro-electro-mechanical system (MEMS) tchipisi tomva kuyenda.Ndi oyenera osiyanasiyana woyera ndi wouma mpweya otaya muyeso ndi kulamulira ndondomeko.Ukadaulo wapadera wamapaketi umathandizira kuti mankhwalawa akwaniritse kuyeza kosiyanasiyana koyenda, kuonetsetsa kukhudzika kwakukulu, kudalirika kwakukulu, kukhazikika kwakukulu komanso mtengo wotsika.FM340 idakhazikitsidwa ndi gawo lozindikira mafunde a MEMS komanso makina olondola kwambiri a digito ndi ma calibration circuit (MCU).The Integrated DELta-sigma A/D converter ndi logic dera ndi ntchito calibration mkati ndi MCU purosesa kuonetsetsa kuti sensa chizindikiro amasonkhanitsidwa bwino mu nthawi yeniyeni kupeza chizindikiro otaya olondola, ndi lolingana chipukuta algorithm kukonzedwa mkati, kuti palibe kunja kunja. Calibration chipukuta misozi chofunika kuonetsetsa mkulu mwatsatanetsatane otaya linanena bungwe.Ochezeka digito linanena bungwe kulankhulana mawonekedwe, owerenga akhoza kukhala yabwino kwambiri kuti lolingana deta zambiri kulankhulana;Kuchuluka kwazomwe zimagwiritsidwa ntchito ndizinthu zambiri.


Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

- Kutulutsa kwa analogi (1-5 V) (kutulutsa kwa digito kwa RS485 kulipo) - Yoyenera kuyeza mpweya wocheperako - Kutentha kwa ntchito: -25°C mpaka 85°C, Kutentha kosungira: -40°C mpaka 90°C, Chinyezi : 0 mpaka 100% RH - Sensor imatha kupirira mkhalidwe wamadzi osungunuka

- Kulondola kwambiri (kulondola kwa 1.5% fs) - Kutulutsa kwa mzere komanso kusalipira kutentha - Sungani bata kwa nthawi yayitali ndikugwedezeka pang'ono - Nthawi yoyankha mwachangu (nthawi yoyankha 20 ms) - Kuthamanga kwakukulu kosiyanasiyana 0-60m/s, kukana 100g - Pakatikati pazidziwitso za chikhalidwe chokhazikika (palibe filimu yapang'onopang'ono yapabowo), yosamva kutsekeka komanso kupanikizika


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