
Mageji ako egasi anonzwa kunge makuki akasindimara — tsono dzeanalogi dzinozununguka, masikirini edhijitari anopenya yakaderera bhatiri, uye iwe unongoda kuziva kana kudzvanywa kwakachengeteka kusati kwaita chimwe chinhu kurira, kuvuza, kana kuenda boom pamberi pekofi yako.
Zorora. Sarudza geji chaiyo nekuenzanisa kurongeka, kuverenga, uye kugadzirisa zvinodiwa; madhijitari emhando anowanzo kuhwina nekurongeka uye kudhirowa kwedata, nepo analogi ichipenya mukusimba-ona iyi yakadzama yekuenzanisa kubva kuNIST:NIST Pressure Measurement Resources.
Digital gasi pressure gauges inoshandisa magetsi sensors uye microprocessors. Analog geji dzinotsamira pamichina yezvikamu senge bourdon machubhu kana capsules kushandura kudzvanywa kuita kunongedza kufamba.
Kunzwisisa izvi zvakakosha kunobatsira iwe kusarudza mudziyo wakakodzera wemitsara yegesi, gadziriso zvidyarwa, uye maHVAC masisitimu uko kuvimbika, kuverenga, uye chengetedzo zvese zvine basa.
Analog geji inoshandura gasi kudzvanywa kuita kufamba kuburikidza ne elastic zvinhu, wozoiratidza ine dial uye pointer. Vanoshanda vasina simba rekunze uye vanobata nzvimbo dzakaomarara zvakanaka.
Mageji edhijitari anoshandisa kudzvanya masensa, chiratidzo chekugadzirisa, uye A/D inoshandura kuratidza kunyatsoverenga kuverenga paLCD. Ivo vanowanzo wedzera kutema matanda, maalarm, uye zvinobuda zvekutaurirana.
Digital mauniti anogona kushandura kudzvanywa kuita 4-20 mA kana fieldbus masiginecha, nepo analogi modhi inogona kuwedzera magetsi emagetsi ekudzora maseketi uye chengetedzo interlocks.
| Type | Typical Output |
|---|---|
| Digital | Ratidza + analog / digital chiratidzo |
| Analogi ine kuonana | Chinja chinobuda kune maaramu |
Analog geji dzinoramba masurges uye EMI, nepo shanduro dzedhijitari dzichipa zvirinani kuongororwa. Kune rough vibration uye kuvhunduka, mvura - akazadzwa analog geji anoita zvakanaka kwazvo.
Digital gasi kudzvanywa kwegeji kazhinji inopa kurongeka kwepamusoro uye kugadzirisa, nepo analogigeji ichipa nekukurumidza maonero ekuona uye kunyorovesa kwechisikigo kwegasi kusagadzikana.
Sarudzo inoenderana nekuti kangani kudzvanywa kunochinja, kuti kwakakosha sei, uye kuti matekinoroji anoda nekukurumidza maitiro ekutarisa kana data rakarekodhwa.
Mageji edhijitari anowanzo kusvika 0.25–0.5% akazara - chiyero chakarurama. Akajairwa analog geji anowanzo kubva ku1-1.6%, kunyangwe akakosha madhizaini ekugadzira anogona kuita zvakasimba.
Digital geji inoratidza madhijitari chaiwo, ayo anobatsira kana iwe uchida shanduko diki yekumanikidza. Analog dials zviri nyore kukurumidza kutarisa uye maitiro ekuverenga kubva kure.
| Feature | Digital | Analogi |
|---|---|---|
| Kuona shanduko kudiki | Excellent | Pakati nepakati |
| Kureba kuverenga | Zvakanaka | Zvakanaka chaizvo |
Marudzi ese ari maviri anopindura nekukurumidza, asi analogi anonongedzera anoratidza kukurumidza kushanduka zvakajairika. Digital mauniti anogona kushandisa damping marongero kudzikamisa chiratidziro chegasi pulsations.
Kune yakakosha gasi metering uye kuyedzwa, mageji edhijitari anopenya. Kune zvakajairwa zvidyarwa zvekutarisa uye mitsara yakaoma, analogi geji dzinoramba dzakadhura - inoshanda uye inovimbwa.
Mageji edhijitari anoda simba uye kutarisirwa kwakawanda, nepo analogigeji ichipa iri nyore, refu - inogara sevhisi kana yakakura uye yakaiswa nemazvo.
Kureba - Kuvimbika kwenguva refu kunoenderana nemamiriro ekuita, vibration, uye inodiwa yekuongorora uye calibration kutenderera.
Digital geji inogona kushandisa mabhatiri kana loop simba. Analog geji haadi simba rekunze kunze kwekunge akaiswa nevabatiki kana vanotumira.
Yakazadzwa analog geji inobata vibration, kuvhunduka, uye pulsation zvirinani. Digital kesi dzinoda kuiswa chisimbiso kwakaringana kuvhara huruva, hunyoro, uye gasi rinoparadza.
Seta realistic calibration intervals zvichibva pane yekuchengetedza kirasi uye mutemo. Digital modhi dzinowanzo tsigira nyore zeroing, nepo analog geji ingangoda maturusi ekugadzirisa.
| Gauge Type | Typical Calibration Interval |
|---|---|
| Digital test | 6-12 mwedzi |
| Analog yeindasitiri | 12-24 mwedzi |
Mhando mbiri dzegeji dzinofanirwa kuisa zvakachena, kuzviparadzanisa zvakachengeteka, uye kubvumira kuenzana kwakapusa. Kushandiswa kwakanaka kunochengetedza nguva uye kunoderedza zvikanganiso mumunda.
Makaka akajeka, makesi akasimba, uye kubatanidza zvakajairwa zvinobatsira zvikwata kumisa maturusi pamasisitimu akasiyana egasi.
Shandisa shinda dzakakodzera, sealants, uye shut-off mavharuvhu. Mount geji apo nyanzvi dzinogona kuona uye kusvika paari pasina kukwira kana kutambanudza zvine ngozi.
Tevedza mitsara yevagadziri uye shandisa zvinoteedzera zviyero. Rekodha chiitiko chega chega chekuenzanisa uye enzanisa kudonha pakati pedhijitari uye analog zvishandiso nekufamba kwenguva.
| Danho | Chiito Chakakosha |
|---|---|
| Zero cheki | Simbisa kuverenga pakumanikidzwa kwemhepo |
| Span cheki | Isa dzvinyiriro inozivikanwa pedyo nechiyero chakazara |
Digital zviratidziro zvinorerutsa kuverenga chaiko, nepo hombe analogi dials akajeka muzvirimwa zvine ruzha. Kudzidzira kunofanirwa kuvhara maaramu marongero uye kubata kwakakodzera kwerudzi rwega rwega.
Vashandisi veindasitiri vanoda akagadzikana, mageji akarurama akabatanidzwa nerutsigiro rwakasimba. Guanshan Instruments inopa yakagadziridzwa mhinduro dzegasi sevhisi mumaindasitiri mazhinji.
Kubva pasi - mitsara yekumanikidza kusvika kune yakaoma kudzora zvishwe, zvigadzirwa zvadzo zvinoyera kuchengetedza, mutengo, uye kuita.
Kune chaiyo yakaderera - yekumanikidza gasi, Guanshan's capsule dhizaini inochengetedza zvinhu zvinonzwisisika ichigara iri nyore kuverenga uye kuchengetedza kwenguva yakareba sevhisi.
Liquid-mageji akazadzwa kubva kuGuanshan anoderedza pointer flutter, chengetedza vemukati, uye agare achiverengeka kunyangwe pamacompressor, pombi, uye ekunze gasi skids.
Kune otomatiki gasi masisitimu, Guanshan's magnetic contact pressure gauges inopa zvese zvinoonekwa chiratidzo uye kushandura maalarm uye kutonga pfungwa.
Digital gasi pressure gauges inopa kurongeka kwakanyanya, data data, uye kuverenga kwakajeka. Analog geji inopa sevhisi yakaoma, kushandiswa kuri nyore, uye nekukurumidza kuona kwekutarisa.
Kune mazhinji mawebhusaiti, musanganiswa wemarudzi ese ari maviri anoshanda zvakanyanya. Guanshan Zvishandiso zvinokubatsira kuenzanisa gauge dhizaini kune yega yega gasi mutsara, kirasi yekuchengetedza, uye bhajeti inoda.
Zvinoenderana nezvido zvako. Shandisa mageji edhijitari paunenge uchida kurongeka kwepamusoro, kutema miti, kana zvinobuda kure. Sarudza mageji eanalogi kune akaomeswa, akaderera - mutengo, nyore kuona kutarisa.
Zvidyarwa zvakawanda zvinokwenenzvera madhijitari ekuongorora majeji ega ega mwedzi 6-12 uye maindasitiri eanalogi geji mwedzi yese gumi nemaviri-24. Tevedza mitemo yako yekuchengetedza uye gadzirisa njodzi level.
Ehe, kana iyo geji dhizaini inokodzera gasi sevhisi uye chiyero chekumanikidza. Kuzadza Liquid kunobatsira kuramba vibration asi iwe unofanirwa kusimbisa zvinhu uye kuisa chisimbiso kuenderana.
Gasi pulsation inokonzera pointer flutter. Iwe unogona kuderedza izvi nekushandisa mvura - geji yakazadzwa, kuwedzera snubber, kana zvishoma kupfupisa yekubatanidza orifice.
Gadzirisa geji nevharuvhu, vent pressure zvakachengeteka, simbisa zero kudzvanywa, wozobvisa uye kutsiva geji. Leak-yedza kubatana mushure mekuisa.