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SP3051 High daidaito matsin lamba mai watsawa
Category: Matsin lamba Mai watsawa Alamar samfurin: Hengding Meter samfurin samfurin samfurin: HD-SP3051 Bayanin samfurin:
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- Bayanan samfurin
Kamfaninmu ya samar da HDSP3051 high daidaito matsin lamba mai watsawa ne sabon nau'in mai watsawa wanda kamfaninmu ya gabatar da ci gaba da fasahar kasashen waje da samar da kayan aiki, mahimman albarkatun kasa, kayan aiki da sassa duk sun samo asali ne daga shigo da kayayyaki, an tara da gwada dukan injin sosai, samfurin yana da halaye masu inganci na ƙirar ƙirar, cikakkun bayanan bayanai, sauƙin shigarwa da amfani. Saboda wannan samfurin yana da cikakken haɗuwa da abubuwan da suka fi shahara a cikin gida a halin yanzu, kuma ana amfani da su sosai a cikin nau'ikan masu watsawa biyu (Rosemont 3051 da Yokohama EJA), yana ba masu amfani damar jin daɗin kunnuwansu, yayin da samfuran 1151 na gargajiya, CECC da sauransu za a iya maye gurbin su kai tsaye a kan shigarwa, tare da ƙarfin amfani da madadin damar. Don dacewa da ci gaba da ingantawa da ci gaban matakin sarrafa kansa na gida, jerin kayayyakin sun ƙaddamar da fasalin fasaha tare da yarjejeniyar bas na filin HART ban da ƙaramin ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙira
Super auna aiki don matsin lamba, bambancin matsin lamba, matakan ruwa, kwarara ma'auni
● Digital daidaito: + (-) 0.075%
● kwanciyar hankali: 0.075% 60 watanni
● rabo: 100: 1
● Ma'auni gudun: 0.2S
● Miniature (2.4kg) cikakken bakin karfe flange, sauki don shigarwa
● Tsarin haɗi dace da sauran kayayyakin don samun mafi kyawun ma'auni
● A duniya kawai daukar H gami fuska na firikwensin (patent fasaha), cimma kyakkyawan sanyi, zafi kwanciyar hankali
● Amfani da 16-bit kwamfuta mai hankali mai watsawa
● Standard 4-20mA, tare da siginar dijital tushen HART yarjejeniyar, nesa sarrafawa
● Goyon bayan haɓaka zuwa filin bas tare da filin-tushen kula da fasaha.
● Digital daidaito: + (-) 0.075%
● kwanciyar hankali: 0.075% 60 watanni
● rabo: 100: 1
● Ma'auni gudun: 0.2S
● Miniature (2.4kg) cikakken bakin karfe flange, sauki don shigarwa
● Tsarin haɗi dace da sauran kayayyakin don samun mafi kyawun ma'auni
● A duniya kawai daukar H gami fuska na firikwensin (patent fasaha), cimma kyakkyawan sanyi, zafi kwanciyar hankali
● Amfani da 16-bit kwamfuta mai hankali mai watsawa
● Standard 4-20mA, tare da siginar dijital tushen HART yarjejeniyar, nesa sarrafawa
● Goyon bayan haɓaka zuwa filin bas tare da filin-tushen kula da fasaha.
Matsin lamba mai watsawa aiki ka'ida
Matsin lamba biyu na matsin lamba na watsa labarai da aka auna ya shiga cikin ɗakunan matsin lamba biyu masu girma da ƙananan, yana aiki a gefen keɓaɓɓen membrane na ƙirar delta (watau ƙirar mai mahimmanci), ta hanyar keɓaɓɓen membrane da cika ruwa a cikin ƙirar zuwa gefen ma'aunin membrane. Ma'auni membrane da kuma lantarki a kan bangarorin biyu insulation membrane ƙunshi wani capacitor.
Lokacin da matsin lamba na bangarorin biyu ba daidai ba ne, yana haifar da cewa ma'aunin membrane yana samar da displacement, da kuma bambancin matsin lamba daidai ne, don haka bangarorin biyu ba daidai ba ne, ta hanyar oscillation da haɗin decoupling, ya canza zuwa siginar daidai da matsin lamba. Daidai da cikakken aiki da bambancin matsin lamba mai watsawa, bambancin shine matsin lamba na ɗakin matsin lamba shine matsin lamba na yanayi ko inji.
Mai juyawa na A / D yana canza halin yanzu na modem zuwa siginar dijital wanda ƙimarsa ke amfani da microprocessor don ƙayyade ƙimar matsin lamba na shigarwa. Microprocessor sarrafa aikin mai watsawa. Bugu da ƙari, yana yin linearization na firikwensin. Sake saita madaidaicin kewayon. Injiniya raka'a canji, damping, buɗewa,, firikwensin daidaitawa da sauran ayyuka, da kuma bincike da kuma dijital sadarwa.
Wannan microprocessor yana da RAM na shirye-shiryen 16-byte, kuma yana da masu ƙidaya uku na 16-bit, daya daga cikinsu yana aiwatar da canjin A / D.
D / A mai juyawa daidaita bayanai daga microprocessor da gyaran siginar dijital, wanda za a iya gyara ta hanyar software mai watsawa. Ana adana bayanai a cikin EEPROM, har ma idan an kashe wutar lantarki.
Layin sadarwa na dijital yana ba da haɗin kai ga mai watsawa tare da na'urorin waje kamar na'urorin sadarwa masu hankali na 275 ko tsarin sarrafawa tare da yarjejeniyar HART. Wannan layi yana gano siginar dijital da aka sanya a kan siginar 4-20mA kuma yana watsa bayanan da ake buƙata ta hanyar zagaye. Nau'in sadarwa shine fasahar FSK mai sarrafawa da kuma bisa ga ka'idodin BeII202.
siffofi
● High daidaito;
● Good kwanciyar hankali;
● biyu waya tsarin (musamman iya huɗu waya tsarin);
● Rufi abubuwa, plug-type buga layi allon;
● Small, haske nauyi, karfi motsa jiki;
● Cikakken daidaitawa a waje tare da ma'auni, sifili;
● Yana ƙaura har zuwa 500%; m ƙaura har zuwa 600%;
● Damping daidaitawa;
● Kyakkyawan halaye na kariya ta overload;
● Babu inji motsawa sassa, da kuma gyara aiki kadan;
● Cikakken jerin tsarin haɗin kai, ƙarfin canzawa na sassa;
● Lamba kafofin watsa labarai membrane kayan za a iya zaɓar;
(316L, TAN, HAS-C, MONEL da sauransu lalata juriya kayan)
● fashewa-resistant tsari, amfani da 24/7;
● Smart HART filin bas yarjejeniya.
Ayyuka sigogi
● Abubuwan amfani: ruwa, gas da tururi
● Ma'auni kewayon: 0-0.08kPa zuwa 0-40MPa
● fitarwa siginar: 4 ~ 20mA DC (musamman samuwa a matsayin huɗu waya tsari)
220V AC samar da wutar lantarki, 0 ~ 10mA DC fitarwa
● Wutar lantarki: 12 ~ 45V DC, yawanci 24V DC
(Duba siffofin kaya na Figure 2)
● Load siffofin: dangane da samar da wutar lantarki, a lokacin da wani wutar lantarki ƙarfin lantarki tare da load ikon duba Figure 3, load impedance RL da wutar lantarki ƙarfin lantarki Vs dangantaka ne: RL≤50 (Vs-12)
● nuna tebur: nuna alama layi nuna 0 ~ 100% sikelin da kuma LCD LCD nuni.
● fashewa-resistant darajar: a: fashewa-resistant irin (Exd IIBT5 ko Exd IICT6)
b: A halin yanzu Type (Exia IICT6 ko Ex ib IICT6)
● Range da Zero Point: waje ci gaba da daidaitawa
● Kyakkyawan ƙaura: Bayan ƙaura mai kyau ko ƙaura mai kyau, babban ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙima
Matsakaicin kyakkyawan ƙaura shine 500% na ƙarancin daidaitawa; Matsakaicin mummunan ƙaura ne 600% na mafi ƙarancin daidaitawa
● zazzabi kewayon: aiki zazzabi kewayon: -20 ~ + 88 ℃, (LT iri ne: -25 ~ + 70 ℃)
Cika ma'auni na silicon man fetur: -40 ~ + 104 ℃
Lokacin da flange-type mai watsawa cika high zafin jiki silicon man: + 15 ~ + 315 ℃, al'ada silicon man: -40 ~ + 149 ℃
● matsin lamba: 4, 10, 25, 32MPa
● zafi: dangi zafi ne 0 ~ 100% RH
● Abubuwan canji na girma: <0.16cm3
● Damping (mataki amsa): lokacin da aka cika silicon man fetur, yawanci ci gaba da daidaitawa tsakanin 0.2s zuwa 1.67s
Bayanan fasaha
(Ba tare da ƙaura ba, a ƙarƙashin daidaitaccen yanayin aiki, mai na silicon, 316 bakin karfe keɓaɓɓen fim)
● Daidaito: + (-) 0,075%
● Dead yankin: babu (≤0.1%)
● kwanciyar hankali: cikakken darajar tushen kuskure da ba ya wuce mafi girma a cikin watanni shida
● rawar jiki tasiri: ± 0.05% / g a kan wani axial lokacin da rawar jiki mitar ne 200Hz, kuskure ne ± 0.05% / g na madaidaicin iyaka
● Power tasiri: kasa da 0.0059% / V na fitarwa range
● Tasirin kaya: Idan samar da wutar lantarki yana da kwanciyar hankali, kaya ba ta da tasiri
Sauran
● keɓe fina-finai: 316L bakin karfe, Hash gami C-276, Monel gami, titanium ko tantalum
● fitar da iskar gas / drainage bawul: 316 bakin karfe, Hash gami C, Monel gami
● Flanges da kuma haɗi: 316 bakin karfe, Hashtag gami C ko Monel gami
● Saduwa kafofin watsa labarai "0" zobe: nitrile roba, fluorine roba
● cika ruwa: silicon man ko inert man fetur
● Bolt: 316L bakin karfe
● Electronic shell kayan: Low jan ƙarfe aluminum gami
● matsin lamba haɗin waya: Flanged NPT1 / 4 tsakiyar nesa 54mm; haɗin NPT1 / 2 ko M20 × 1.5 Sun threaded ball cone saman hatimi, band
50.8, 54, 57.2mm tsakiyar nesa lokacin haɗi (NPT conical bututun thread dace da GB / T12716-91)
● Signal wayar haɗin rami: G1 / 2
● Nauyi: 3.5kg (misali iri, ba tare da zaɓuɓɓuka)
Bayani size shigarwa connection zane
Field waya Connection Chart da kewaye akwatin Chart
Smart kewaye akwatin zane
Zaɓin matsin lamba mai watsawa
1, irin matsin lamba da mai watsawa zai auna
Da farko, don ƙayyade mafi girman darajar matsin lamba da aka auna a cikin tsarin, yawanci ana buƙatar zaɓar mai watsawa wanda ya fi girma sau 1.5 fiye da mafi girman darajar. Wannan galibi a cikin tsarin da yawa, musamman a cikin ma'aunin matsin lamba na ruwa da sarrafawa, akwai ƙwarewa da ci gaba da rashin daidaitaccen canjin sama da ƙasa, wanda wannan ƙwarewar nan take iya lalata na'urorin firikwensin matsin lamba. Cikakken darajar matsin lamba mai ƙarfi ko ɗan ƙarancin ƙimar mai watsawa zai rage rayuwar na'urar firikwensin, kuma yin hakan zai rage daidaito. Don haka za a iya amfani da buffer don rage matsin lamba, amma wannan zai rage saurin amsa na firikwensin. Saboda haka, lokacin zaɓar mai watsawa, dole ne a yi la'akari da matsin lamba, daidaito da kwanciyar hankali.
2. Abin da matsin lamba kafofin watsa labarai
Ruwa mai laushi, laka zai toshe matsin lamba, mai narkewa ko abubuwa masu lalata ba za su lalata kayan da ke kai tsaye tare da waɗannan kafofin watsa labarai ba. Wadannan abubuwan da ke sama za su yanke shawara ko zaɓi filin keɓewa kai tsaye da kayan da ke tuntuɓar kafofin watsa labarai kai tsaye.
3, Yaya daidaito mai watsawa yana buƙatar
Yanke shawara daidaito akwai, non-linear, delay, non-maimaitawa, zafin jiki, sifili m sikelin, zafin jiki tasiri. Amma galibi ta hanyar non-linear, delay, non-maimaitawa, mafi girma daidaito, mafi girma farashin.
4, zafin jiki kewayon mai watsawa
Yawancin lokaci mai watsawa zai sanya sassa biyu masu zafi, daya daga cikinsu shine zafin jiki na aiki na yau da kullun, ɗayan shine zafin jiki na diyya, zafin jiki na aiki na yau da kullun yana nufin zafin jiki lokacin da mai watsawa ba ya lalacewa a cikin yanayin aiki, a bayan zafin jiki na diyya zai iya zama ba zai isa aikace-aikacen aikinsa ba.
Yankin zafin jiki na yau da kullun yana da ƙananan kewayon fiye da kewayon zafin jiki na aiki. Mai watsawa mai aiki a cikin wannan kewayon tabbas zai kai alamun aikin da ya dace. Canjin zafin jiki yana shafar fitarwarsa daga bangarori biyu, daya shine 0-point yawo, na biyu shine shafar cikakken sikelin fitarwa. Misali: +/-X% / ℃ na cikakken sikelin, +/-X% / ℃ na karatu, +/-X% na cikakken sikelin lokacin da ya wuce iyakar zafin jiki, +/-X% na karatu lokacin da ya kasance a cikin iyakar zafin jiki, idan ba tare da waɗannan sigogi ba, zai haifar da rashin tabbas a cikin amfani. Shin canjin fitarwar mai watsawa ya haifar da canjin matsin lamba ko canjin zafin jiki. Tasirin zafi shine ɓangare mafi rikitarwa lokacin fahimtar yadda za a yi amfani da mai watsawa.
5. Yadda ake buƙatar samun fitarwa siginar
mV, V, mA da kuma mita fitarwa na dijital fitarwa, zaɓi irin fitarwa ya dogara ne da abubuwa da yawa, gami da nesa tsakanin mai watsawa da tsarin mai sarrafawa ko nuni, ko akwai "amo" ko wasu siginar tsangwama na lantarki, ko ana buƙatar amplifier, wurin amplifier, da dai sauransu. Mafi tattalin arziki da ingantaccen mafita ne ga na'urorin OEM da ke da ɗan gajeren nesa tsakanin masu watsawa da masu sarrafawa tare da fitarwar mA.
Idan ana buƙatar ƙarfafa siginar fitarwa, ya fi kyau a yi amfani da mai watsawa tare da ƙarfafawa da aka gina. Don watsawa mai nisa ko kasancewar ƙarfin siginar tsangwama na lantarki ya fi kyau a yi amfani da fitarwar matakin mA ko fitarwar mita.
Idan a cikin yanayin da RFI ko EMI nuna alama ne mai girma, a ban da lura cewa za a zaɓi mA ko fitarwar mita, an yi la'akari da kariya ta musamman ko matata.
6, Zaɓi Yadda Magnetic ƙarfin lantarki
Nau'in fitarwa siginar yanke shawarar abin da ƙarfin lantarki stimulation zaɓi. Yawancin masu watsawa suna da na'urorin daidaitawa na ƙarfin lantarki, saboda haka ƙarfin lantarkin su yana da girma. Wasu masu watsawa suna da daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun daidaitattun dai
7. Ko ana buƙatar masu canzawa masu watsawa
Tanya ko mai watsawa da ake buƙata zai iya daidaitawa da tsarin amfani da yawa. Gabaɗaya wannan yana da mahimmanci, musamman ga samfuran OEM. Da zarar aka aika da samfurin zuwa hannun abokin ciniki to, kudin da abokin ciniki ke amfani da shi don daidaitawa yana da yawa. Idan samfurin yana da kyakkyawan musayar, to ko da canjin mai watsawa da aka yi amfani da shi ba zai shafi tasirin tsarin gaba ɗaya ba.
8, Mai watsawa yana buƙatar kula da kwanciyar hankali bayan aiki
Yawancin masu watsawa suna samar da "yawo" bayan aikin da aka yi, don haka yana da mahimmanci a fahimci kwanciyar hankali na masu watsawa kafin sayen, wannan aikin da aka yi a gaba na iya rage matsalolin da za su taso a cikin amfani a nan gaba.
9, Mai watsawa kunshin
Kunshin mai watsawa sau da yawa yana da sauƙin watsi da shi shi ne rack, duk da haka wannan zai bayyana rashin amfaninsa a hankali a baya. Lokacin sayen mai watsawa tabbatar da la'akari da yanayin aiki na mai watsawa a nan gaba, yadda zafi yake, yadda za a shigar da mai watsawa, ba zai sami tasiri mai ƙarfi ko rawar jiki ba.
10, Yadda ake amfani da haɗin tsakanin mai watsawa da sauran na'urorin lantarki
Shin yana buƙatar haɗin gajeren nesa? Idan an yi amfani da haɗin nesa, kuna buƙatar haɗin haɗin?
Matsaloli da kuma mafita da zai iya tasowa yayin shigarwa da debugging
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Matsalolin da suka faru
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Bincike da gwaji
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Magani
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1:Mai watsa babu fitarwa
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1:Duba ko mai watsa wutar lantarki ya karɓi;
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Haɗa Power Pole Daidai
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2:auna samar da wutar lantarki na mai watsawa, ko akwai 24V DC ƙarfin lantarki;
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Dole ne a tabbatar da samar da wutar lantarki ≥12V na mai watsawa (watau mai watsawa wutar lantarki shigarwa karshen wutar lantarki ≥12V). Idan babu wutar lantarki, ya kamata a bincika idan zagaye ya kashe waya, gano ko kayan aiki ya zaɓi kuskure (shigarwa impedance ya kamata ≤250Ω); Jira.
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3:Idan yana da kai na farfajiyar, bincika idan mutumin farfajiyar ya lalace (za a iya gabatar da gajeren layi biyu na mutumin farfajiyar, idan gajeren layi ya dace bayan gajeren layi, to, bayanin shine lalacewar mutumin farfajiyar);
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Idan mutum ya lalace yana buƙatar canza mutum,
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4:Cikake halin yanzu mita a cikin 24V wutar lantarki zagaye, duba ko halin yanzu ya zama al'ada;
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Idan al'ada, yana nuna cewa mai watsawa yana da kyau, a wannan lokacin ya kamata a bincika ko wasu ma'auni a cikin zagaye suna da kyau.
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5:Ko samar da wutar lantarki da aka haɗa da mai watsawa wutar lantarki shigarwa;
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Haɗa wayoyin wutar lantarki a kan wayoyin wutar lantarki.
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2:Mai watsa fitarwa ≥20mA
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1:Shin Mai watsa wutar lantarki yana da kyau
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Idan kasa da 12VDC, ya kamata a duba idan akwai babban kaya a cikin zagaye, shigarwa impedance na mai watsa kaya ya kamata ya dace da RL≤ (mai watsa wutar lantarki -12V) /(0.02A) Ω
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2:Ko ainihin matsin lamba ya wuce zaɓar madaidaicin matsin lamba mai watsawa;
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Sake zaɓar matsin lamba mai watsawa mai dacewa.
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3:Ko matsin lamba firikwensin lalacewa, tsananin overload wani lokacin lalata keɓaɓɓen membrane.
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Ana buƙatar mayar da masana'antun don gyara.
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4:Ko wayoyin da aka sauƙaƙe;
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Connect waya da kuma tighten
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5:Shin wayoyin wutar lantarki sun dace
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Ikon wutar lantarki ya kamata ya haɗa a kan madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaici
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3:Mai watsa fitarwa ≤4mAOutput≤4mA
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1:Shin Mai watsa wutar lantarki yana da kyau
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Idan kasa da 12VDC, ya kamata a duba idan akwai babban kaya a cikin zagaye, shigarwa impedance na mai watsa kaya ya kamata ya dace da RL≤ (mai watsa wutar lantarki -12V) /(0.02A) Ω
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2:Ko ainihin matsin lamba ya wuce zaɓar madaidaicin matsin lamba mai watsawa;
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Sake zaɓar matsin lamba mai watsawa mai dacewa
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Ko matsin lamba firikwensin lalacewa, tsananin overload wani lokacin lalata keɓaɓɓen membrane.
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Ana buƙatar mayar da masana'antun don gyara.
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4:Alamar matsin lamba ba daidai ba ce
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1:Shin Mai watsa wutar lantarki yana da kyau
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Idan kasa da 12VDC, ya kamata a duba idan akwai babban kaya a cikin zagaye, shigarwa impedance na mai watsa kaya ya kamata ya dace da RL≤ (mai watsa wutar lantarki -12V) /(0.02A) Ω
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2:Ko darajar matsin lamba da aka ambata dole ne ta kasance daidai
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Idan daidaito na ma'aunin matsin lamba yana da ƙarancin daidaito, ana buƙatar sauya ma'aunin matsin lamba mai ƙarancin daidaito.
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3:Ko ma'aunin matsin lamba mai nunawa ya dace da ma'aunin matsin lamba mai watsawa
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Matsin lamba nuna gauge dole ne ya dace da matsin lamba mai watsawa
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4:Ko matsin lamba nuna shigarwa na gauge da daidai wiring daidai
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Shigarwar matsin lamba nuna kayan aiki ne 4 ~ 20mA, sa'an nan mai watsawa fitarwa siginar za a iya samun damar kai tsaye; Idan matsin lamba nuna kayan aiki shigarwa ne 1 ~ 5V dole ne a matsin lamba nuna kayan aiki shigarwa karshen bi da daidaito a dubu daya da sama, juriya darajar 250Ω, sa'an nan kuma samun damar shigarwar mai watsawa.
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5:Shigarwar impedance na mai watsa kaya ya kamata ya dace da RL≤ (mai watsa wutar lantarki -12V) /(0.02A) Ω
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Idan ba daidai ba, dangane da bambancin su, za a iya ɗaukar matakan da suka dace: kamar haɓaka ƙarfin lantarki na samar da wutar lantarki (amma dole ne ya kasance ƙasa da 36VDC), rage nauyi, da dai sauransu
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6:Ko shigarwa ne a bude lokacin da Multi-Point takarda rikodin ba rikodin;
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Idan an buɗe hanyar: 1, ba za a iya ɗaukar wasu nauyin ba; 2, maimakon yin amfani da sauran rikodin lokacin da ba a yi rikodin ba don shigar da impedance ≤250Ω.
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7:Ko daidai na'urar gida grounded
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Kayan aiki shell ƙasa
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8:Ka rabu da AC iko da sauran ikon
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Raba layi daga AC ikon da sauran ikon
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9:Ko matsin lamba firikwensin lalacewa, tsananin overload wani lokacin lalata keɓaɓɓen membrane.
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Ana buƙatar mayar da masana'antun don gyara.
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10:Ko akwai yashi, gurɓataccen abu da sauransu a cikin bututun, lokacin da akwai gurɓataccen abu zai sa ma'auni daidaito ya shafi;
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Ana buƙatar tsabtace ƙazanta da ƙara tace kafin matsin lamba dubawa.
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11:Ko zafin jiki na bututun yana da yawa, zafin jiki na na'urar firikwensin matsin lamba shine -25 ~ 85 ℃, amma lokacin da ake amfani da shi ne mafi kyau a cikin -20 ~ 70 ℃.
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Ƙara buffer bututun don sanyaya zafi, kafin amfani da shi ne mafi kyau a fara ƙara wasu sanyi ruwa a cikin buffer bututun, don hana overheating tururi kai tsaye buga firikwensin, saboda haka lalata firikwensin ko rage aiki rayuwa.
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