Vibro-Meter CA202 144-202-000-105 Piezoelectric Accelerometer

CA202 144-202-000-105 babban samfurin aminci ne a cikin Vibro-Meter (Kungiyar Meggitt) CA200 na masu saurin fashewar piezoelectric accelerometers. Wannan ƙirar ita ce sigar tabbatar da fashewar Tsaro ta Intrinsic Ex ia Intrinsic Safety, sanye take da kebul na haɗin kai na mita 3, musamman an ƙera don amfani a cikin yuwuwar fashewar iskar gas (yankuna masu haɗari) kuma ya dace da mafi ƙaƙƙarfan ƙa'idodin aminci na ciki na duniya. Yana aiki azaman tushen tushen aminci don lura da girgizar kayan aikin injiniya mai mahimmanci a cikin yanayin samar da masana'antu kamar sinadarai, iskar gas, magunguna, da zanen, inda gas mai ƙonewa da fashewa ko tururi na iya kasancewa.

Gina kan duk manyan fasalulluka waɗanda aka gada daga ma'auni na CA202 (kamar nau'in gano yanayin juye-shaye, hatimin walda mara-bakin-ƙarfe, da aiki mai faɗin zafin jiki), wannan firikwensin ya haɗa da falsafar ƙira mai fashewa na Tsaron Cikin Gida (Ex ia). Babban ka'idarsa ta ta'allaka ne a cikin taƙaita tartsatsin wutar lantarki ko makamashin zafi wanda firikwensin da kewaye za su iya haifar da shi a ƙarƙashin yanayi na yau da kullun ko kuskure zuwa matakin da ke ƙasa da abin da ya isa ya kunna takamaiman cakuda gas mai fashewa, ta haka zai hana fashewa a tushen su.

Nadin samfurin '105' yana nuna haɗe-haɗe da sigar hana fashewa (Ex) da tsayin kebul na mita 3. Tsayin kebul na mita 3 ya dace da tazara mai nisa tsakanin yanki mai haɗari daga firikwensin zuwa akwatin madaidaicin aminci mafi kusa ko shamaki, yana ba da isassun sassaucin shigarwa yayin da rage sarƙaƙƙiya da yuwuwar haɗarin hanyar kebul a cikin yanki mai haɗari. Ba wai kawai firikwensin firgita mai girma ba amma har da Na'urar Kayan Aikin Tsaro mai jituwa tare da takaddun shaida na ƙasa da ƙasa da yawa kamar ATEX, IECEx, da cCSAus, yana mai da shi zaɓi na farko don gina amintaccen tsarin tsinkayar shuka.

2. Mahimman siffofi na Ƙira, Fa'idodin Tsaro, da Takaddun shaida

1. Kariyar fashewar Fashewa na Cikin Gida (Ex ia IIC):

• Matsayin Tsaro Mafi Girma: Ya dace da matakin Ex ia, wanda ya dace da yanayin iskar gas mai hatsarin gaske kamar Zone 0, 1, 2 (Gas) ko Class I, Division 1 & 2. Yana tabbatar da rashin kunna wutar da ke kewaye da iskar gas ko da a yayin da kurakuran masu zaman kansu guda biyu ke faruwa a cikin firikwensin ko kebul na haɗin kai.

• Faɗin Rukunin Rukunin Gas: Takaddun shaida ya ƙunshi Rukunin IIC, ma'ana ana iya amfani da shi a cikin mahallin da ke ɗauke da mafi yawan iskar gas mai ƙonewa da fashewa, gami da hydrogen da acetylene, yana ba da mafi girman kewayon aikace-aikacen.

• Matsayin Maɗaukakin Zazzabi: Matsayin zafin jiki yana rufe T6 zuwa T2, yana nuna matsakaicin zafin jiki na samansa yana iyakance ƙasa da buƙatun aji mai dacewa (misali, T6 yayi daidai da matsakaicin zafin jiki na ≤85 ° C), yana tabbatar da aminci a cikin yanayin zafi mai girma.

2. Tsarin Ba da Shaida ta Duniya:

• Turai (ATEX): Takaddun Jarrabawar Nau'in EC, mai yarda da Directive 2014/34/EU (ATEX), lambar takardar shedar LCIE 02 ATEX 6179 X.

• International (IECEx): IECEx Takaddun Kwarewa, ƙa'idar tabbatar da fashewa a duniya.

• Arewacin Amurka (cCSAus): Hakanan ya haɗu da takaddun shaida na cCSAus, yana bin ka'idodin Amurka/Kanada don Class I, Division 2, Rukunin A, B, C, D da Yanki 2.

• Sauran Yankuna: Hakanan yana riƙe da takaddun shaida mai tabbatar da fashewa don yankuna kamar Koriya, Rasha, da Burtaniya (UKEX), yana tabbatar da yarda da samfur da samun kasuwa a manyan kasuwannin duniya.

3. Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙwara:

• Rufewa da Tsayawa: Daidai da daidaitaccen sigar, yana nuna austenitic bakin karfe mai walƙiya mai walƙiya da bututun kebul, yana samar da daidaitaccen kariya ta IP68 daga matsanancin yanayin masana'antu.

• Warewar Wutar Lantarki: Yana kiyaye cikakken rufin lantarki tsakanin tashoshi na siginar ciki da mahalli, hana madaukai na ƙasa da saduwa da buƙatun keɓewa don da'irori masu tabbatar da fashewa.

• Babban Haɓaka Haɓakawa: 100 pC/g hankali, 0.5 Hz - 6 kHz faffadan amsa mitar, -55°C zuwa +260°C zafin aiki na aiki – aiki ba tare da daidaitawa ba.

4. Dacewar Haɗin Kai Tsaye:

• Ƙarshen Safety na Toshe-da-Play: Kamar yadda 'na'urar filin' a cikin madauki na aminci, ana iya haɗa shi cikin sauƙi cikin DCS ko Safety Instrumented Systems (SIS) lokacin da aka haɗe shi tare da ƙwararrun shingen aminci ko keɓaɓɓen relay aminci.

• Share Ma'aunin Tsaro: Yana ba da ingantattun sigogin takaddun shaida na fashewa (misali, Ui, Ii, Pi, Ci, Li), sauƙaƙe injiniyoyin tsarin cikin aiwatar da ƙididdige madaidaicin aminci da inganci.

  
  

3. Wuraren Aikace-aikace Na Musamman (Yanayin Haɗari)

CA202-105 an tsara shi musamman don sa ido kan kayan aiki masu mahimmanci a cikin masana'antu masu zuwa tare da abubuwan fashewar iskar gas:

1. Oil & Gas Upstream, Midstream & Refining:

• Matakan hakowa daga bakin teku, FPSOs: Kulawar girgiza manyan na'urorin samar da wutar lantarki, damfara mai da iskar gas, fakitin famfo a yankunan Zone 1.

• Filayen mai da iskar gas a bakin teku: Kayan aiki na jujjuya a cikin tashoshin kwampreso gas, tashoshin mai, masana'antar sarrafa kayayyaki.

• Matatun mai & Tsirrai masu sinadarai: Compressors, magoya baya, fanfuna a wuraren da ake amfani da ruwa, fashewar ruwa mai kara kuzari, raka'o'in fashewar ethylene. Reactor feed famfo, sake sarrafa gas compressors, da dai sauransu.

2. Masana'antun Sinadarai & Magunguna:

• Kulawar rawar jiki na reactor agitator drive tsarin, centrifuges, bushewa, sauran ƙarfi dawo da compressors shafe flammable kaushi (misali, ethanol, acetone, benzene).

• Masu shaye shaye da shaye shaye akan layukan fenti/shafi.

3. Makamashi & Abubuwan Amfani:

• Saitin janareta na iskar gas (musamman inda iskar gas mai ƙonewa na iya taruwa a cikin matsuguni ko wuraren tace abinci).

• Tashoshin bututun iskar gas na ma'adinan kwal, tashoshin ƙarfafa gas.

• Kafin magani da kayan isarwa a cikin tashoshin wutar lantarki.

4. Wasu:

• Wuraren da ke kare fashewar ƙura a cikin sarrafa hatsi, masana'antar abinci (Lura: Wannan takaddun shaida na farko don iskar gas ne; yanayin ƙura yana buƙatar ƙima daban-daban).

• Wuraren gwajin mai na Aerospace.

• Kayan aiki na jujjuyawa kamar injina, famfo, akwatunan gear da ke kowane yanki da aka ƙirƙira azaman Class I, Division 1 ko Zone 1.

  
  

4. Haɗin Tsarin Tsari & Jagoran Shigar Amintaccen (Madaidaicin Madaidaicin Madaidaicin)

Yin amfani da CA202-105 a cikin wuri mai haɗari ba kawai maye gurbin daidaitaccen firikwensin ba. Dole ne a shigar da shi azaman ɓangaren madauki na Tsaron Cikin Gida (IS). Duk wani kuskure na iya ɓata takaddun shaida mai fashewa, yana haifar da babban haɗarin aminci.

1. Cikakkun Sarkar Auna Tsaro na Cikin Gida

[Yanki Mai Haɗari 1] [Yanki Mai Kyau] CA202-105 (Na'urar Filin Ex ia) → 3m Cable IS Cable → [Tsohon Hujja Junction Box] → Certified IS Cable → ** Kayawar Tsaro (IS Shamaki)** ko ** Warewa Tsaro Relay** → Amplifier System / Monitoring System

Ƙa'idar Ƙa'idar: Shamakin aminci shine 'majiɓincin' tsarin, yana iyakance makamashin da aka wuce daga wuri mai aminci zuwa wuri mai haɗari.

2. Maɓallin Shigarwa & Ayyukan Tsaro

A. Tsara & Tabbataccen Takaddun Shaida:

1. Tabbatar da Rarraba Yanki: Samun ƙwararren injiniya ya tabbatar da rarrabuwar yanki mai haɗari (Zone 0/1/2) da rukunin gas na wurin shigar firikwensin.

2. Takaddun shaida na Tsari: Tabbatar da duk kayan aikin da aka haɗa da CA202-105 (shingayen tsaro, akwatunan haɗin gwiwa, har ma da na'urorin sanyaya sigina na gaba idan suna cikin yanki mai haɗari) sun mallaki takaddun shaida masu dacewa da fashewa. Duk madauki dole ne ya zama bokan ko inganta shi azaman tsari.

3. Daidaita Siga (Mahimmanci!): Cire sigogin Ui, Ii, Pi, Ci, Li na CA202-105 daga takardar shaidar Ex. Ma'aunin fitarwa na shingen tsaro da aka zaɓa (Uo, Io, Po, Co, Lo) dole ne ya gamsar da alaƙa masu zuwa:

• Ku ≤ Ku

• Ina ≤ II

• Po ≤ Pi

• Ccable + Ci ≤ Co (Ccable ita ce kebul ɗin da aka rarraba capacitance)

• Lcable + Li ≤ Lo (Cable shine kebul ɗin da aka rarraba inductance)
  Dole ne a yi ƙididdige rubuce-rubuce kuma a riƙe bayanan.

B. Shigarwa a cikin Wuri Mai Haɗari:

1. Sensor Dutsen: Haɗin injin yana kama da daidaitaccen sigar (ƙarfi 15 N·m). Tabbatar cewa saman hawa yana da tsabta.

2. Cabling:

• Nau'in Kebul: Dole ne a yi amfani da intrinsically Safe bokan igiyoyi tare da ƙayyadaddun sigogi masu rarraba (C, L) ko igiyoyi masu biyan buƙatun shigarwa.

• Rabuwa & Ganewa: Dole ne a kori kebul na IS daban daga igiyoyin wuta da igiyoyin siginar da ba IS ba, kiyaye isasshiyar nisa (yawanci> 50mm) ko amfani da bangare. Ya kamata igiyoyi su kasance suna da sheathing shuɗi ko fitacciyar alamar da ke nuna su azaman da'irar IS.

• Grounding: Garkuwar madauki na IS yakamata ta kasance ƙasa a wuri guda kawai a gefen yanki mai aminci, ta hanyar shingen tsaro ko tasha mai sadaukarwa. A cikin wuri mai haɗari, dole ne garkuwar ta kasance a cikin keɓe kuma kada ta kasance ƙasa.

3. Waya:

• Yi a cikin Akwatunan Junction Ex-proof: Duk haɗin kebul ɗin da ke cikin wuri mai haɗari dole ne a yi shi a cikin akwatunan mahaɗa tare da ƙimar fashe mai dacewa (misali, Ex d, Ex e).

• Bukatun Tasha: Yi amfani da tashoshi masu dacewa don tabbatar da kafaffen haɗin gwiwa, hana sako-sako da haɗin kai wanda zai iya haifar da tartsatsi. Kamata ya yi a ware ko kuma a kebe masu gudanar da IS masu karfin iko daban-daban.

C. Interface mai aminci:

1. Shigar da Shingayen Tsaro: Dole ne a shigar da shingen tsaro a wuri mai aminci, ko a cikin kabad ɗin da ke cikin Yankuna 2 tare da kariyar da ta dace.

2. Haɗin Ƙarshe: An haɗa fitar da shingen tsaro zuwa madaidaicin ƙararrawar caji (misali, IPC 70x) da tsarin sa ido.

3. Sharuɗɗa na Musamman don Amintaccen Amfani (Alamta 'X')

'X' mai bin lambar takardar shaidar yana nuna na'urar tana da 'sharadi na musamman don amfani mai aminci.' Ga CA202-105, wannan yawanci yana nufin:

• Ƙayyadaddun Yanayin Zazzabi: Dangantakar da ke tsakanin Ajin Zazzabi (T-Code) da Yanayin Zazzabi (Ta) dole ne a bi shi sosai. Misali, idan yanayin yanayi ya wuce 85°C, ana iya rage ajin zafin jiki daga T6 zuwa T5, yana buƙatar sake tantance dacewa.

• Ƙayyadaddun Haɗi: Za a iya haɗa na'urar zuwa ƙwararrun na'urori masu alaƙa da ma'auni kawai.

• Shigarwa & Kulawa: ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ma'aikata za su yi aiki.

• Takaddun shaida: Dole ne mai amfani ya mallaki kuma ya bi duk sharuɗɗa a cikin cikakken Takaddun Shaida na Nau'in EC da abubuwan haɗinsa.

  
  

5. Kulawa, Bincika & Amincewa

1. Dubawa na lokaci-lokaci:

• Bincika mutuncin jiki na firikwensin da bututun kebul.

• Bincika duk mannen igiya, murfin akwatin mahaɗa, da hatimin glandan kebul don amincin.

• An haramta shi sosai don buɗe akwatunan mahaɗa ko cire haɗin haɗin firikwensin a cikin wuri mai haɗari yayin da kewaye ke raye, sai dai idan an tabbatar da yanayin 'aiki lafiya' (misali, mara gas, izinin aiki).

2. Shirya matsala:

• Ya kamata a fara aiwatar da matsala daga wuri mai aminci, bincika shingen tsaro, samar da wutar lantarki, da tsarin sa ido.

• Idan dubawa a cikin yanki mai haɗari ya zama dole, aikin zafi na shuka da hanyoyin aminci na izinin aiki dole ne a bi su sosai, wanda zai iya buƙatar gwajin gas da takamaiman izini.

3. Gyara & Sauyawa:

• Duk wani aikin gyare-gyare dole ne a yi ta masana'anta ko cibiyar sabis mai izini wanda ya saba da buƙatun tabbatar da fashewa.

• Lokacin maye gurbin firikwensin, tabbatar da sabuwar na'urar tana da takaddun shaida iri ɗaya ko masu dacewa da fashe da sigogi.

• Bayan maye gurbin, wanda ya cancanta dole ne ya sake tabbatar da madaidaicin madaidaicin madaidaicin Safety na ciki.

4. Takardu & Rubuce-rubuce:

• Riƙe Takaddar Takaddar Fashe na na'urar, takaddun madauki na tsarin, da zanen shigarwa.

• Rubuta duk shigarwa, dubawa, da ayyukan kulawa.