Tataiso ea ho qetela ea ho Khetha Sefate sa Khatello ea Silicon e Pharalletseng
Har'a mefuta e mengata ea li-transmitters tsa khatello - ho kenyeletsoa li-ceramic, capacitive, le monocrystalline silicon variants - li-transmitters tse pharalletseng tsa silicon e se e le tharollo e amohetsoeng ka ho fetesisa bakeng sa lits'ebetso tsa litekanyo tsa indasteri.
Ho tloha ho oli le khase ho ea ho ts'ebetso ea lik'hemik'hale, tlhahiso ea tšepe, tlhahiso ea matla, le boenjiniere ba tikoloho, li-transmitters tsena li fana ka tlhahlobo e tšepahalang le e nepahetseng ea khatello ho pholletsa le khatello ea gauge, khatello e felletseng le lits'ebetso tsa vacuum.
Silicon Pressure Transmitter e Pharalletseng ke Eng?
Theknoloji ena e qalile bohareng ba lilemo tsa bo-1990 ha NovaSensor (USA) e ne e bula li-diaphragm tsa silicon tse entsoeng ka mochine o monyenyane o kopantsoeng le khalase. Katleho ena e thehile li-sensor tse kopaneng, tse nepahetseng haholo tse nang le ho pheta-pheta ka mokhoa o ikhethang le ho hanyetsa kutu.
Molao-motheo oa Ts'ebetso
- Khatello ea ts'ebetso e fetisetsa ka diaphragm e ikhethileng le oli ea silicone ho ea ho silicon diaphragm
- Khatello ea litšupiso (ambient kapa vacuum) e sebetsa ka lehlakoreng le leng
- Ho kheloha sephetho ho bonoa ke borokho ba Wheatstone ba li-gauge tsa khatello, bo fetolang khatello ho ba lets'oao la motlakase.
8 Mekhoa ea Bohlokoa ea Khetho
1. Lekanya Hare Kamano
Lisebelisoa tsa sensor li tlameha ho lumellana le lik'hemik'hale le thepa ea 'mele ea mokelikeli oa hau oa tšebetso:
- Meetso e tloaelehileng e sebelisa li-diaphragm tsa tšepe tse 316L bakeng sa lits'ebetso tse ngata
- Bakeng sa maro a senyang kapa a phatsimang, bolela li-transmitters tse flush diaphragm
- Likhetho tsa boemo ba lijo li fumaneha bakeng sa lisebelisoa tsa meriana le lino
- Mecha ea litaba e nang le viscosity e phahameng (seretse, seretse, sekontiri) e hloka meralo e sa sebetseng ea li-diaphragm.
2. Khetho ea Khatello ea Range
Mekhahlelo e fumanehang e tloha ho -0.1 MPa ho isa ho 60 MPa. Kamehla khetha mefuta e fapaneng ea 20-30% e phahameng ho feta khatello e phahameng ea ts'ebetso ho thibela ho tlala.
Tataiso ea Phetoho ea Yuniti ea Khatello
| Yuniti | Boleng bo lekanang |
|---|---|
| 1 MPa | 10 bar / 1000 kPa / 145 psi |
| 1 bar | 14.5 psi / 100 kPa / 750 mmHg |
Gauge vs. Absolute Pressure:Litšupiso tsa likhatello tsa khatello ea tikoloho (zero e lekana le sepakapaka), ha litšupiso tsa khatello e felletseng e le vacuum. Bakeng sa lits'ebetso tse phahameng, sebelisa li-sensors tsa vented gauge ho lefella ho fapana ha sepakapaka.
Litlhaloso tse Khethehileng tsa Kopo
Tekanyo ea Khase ea Ammonia
Hlalosa li-diaphragm tse entsoeng ka khauta kapa lijalo tse khethehileng tse thibelang ho bola ho thibela ho senyeha ha kutlo tšebeletsong ea ammonia. Netefatsa hore ntlo ea transmitter e kopana le litekanyetso tsa NEMA 4X kapa IP66 bakeng sa lits'ebetso tsa kantle.
Lits'ebetso tsa Sebaka se Kotsi
Bakeng sa tikoloho e tukang kapa e qhomang:
- Kopa oli e nang le fluorinated (FC-40) sebakeng sa ho tlatsa oli e tloaelehileng ea silicone
- Netefatsa litifikeiti bakeng sa lits'ebetso tse bolokehileng ka tlhaho (Ex ia) kapa tse sa cheng (Ex d)
- Etsa bonnete ba ho kenya motheo o nepahetseng le litšitiso ho latela litekanyetso tsa IEC 60079
Qetello
Li-transmitters tse pharalletseng tsa silicon li fana ka tekanyo e nepahetseng ea ho nepahala, ho tšoarella, le ho feto-fetoha ha maemo ho pholletsa le lits'ebetso tsa indasteri. Khetho e nepahetseng-ho tloha tekong ea ho lumellana le mecha ea litaba ho ea ho tlhaloso ea pontšo ea tlhahiso-e netefatsa bobeli ho nepahala ha tekanyo le ho tšepahala ha nako e telele.
Hore na o beha leihlo lithapo tsa mouoane o nang le khatello e phahameng, ho laola tšebetso ea lik'hemik'hale, kapa ho etsa bonnete ba ho ts'oaroa ka mokhoa o bolokehileng oa ammonia, tlhophiso e nepahetseng ea transmitter e ntlafatsa ts'ebetso ea ts'ebetso le polokeho ea ts'ebetso.
Nako ea poso: Jun-12-2025