Author: Smartweigh-Multihead Weighter
Ib qho tseem ceeb heev ntawm multihead weighter yog lub sensor, uas feem ntau hu ua load cell. Lub load cell yog ib feem tseem ceeb ntawm multihead weighter, thiab nws txoj haujlwm tsis muaj tsawg dua“tib neeg lub siab”, nws yog ib qho tseem ceeb rau kev txiav txim seb qhov hnyav ntawm cov khoom ua tau raws li tus qauv. Yog tias qhov ntsuas qhov hnyav tsis ua haujlwm, nws yuav nyuaj rau peb los kwv yees seb nws puas yuav ua rau cov kab ntau lawm. Yog li ntawd, cov neeg siv yuav tsum tsis tu ncua sim cov ntsiab lus tseem ceeb no. kom txo tau qhov poob. Niaj hnub no, Zhongshan Smart hnyav yuav coj koj mus saib yuav ua li cas los daws qhov teeb meem tsis ua haujlwm ntawm lub taub hau ntau qhov hnyav. 1. Zero point output Xyuas qhov xoom taw tes tso zis, uas yog, qhov tso zis tus nqi ntawm lub sensor nyob rau hauv cov ntaub ntawv ntawm tsis muaj load, thiab ntsuam xyuas cov zis ntawm lub sensor nyob rau hauv lub mob uas tag nrho cov loads (xws li static loads xws li teev thiab quab yuam- kis tau tus mob) yuav tsum tau muab tshem tawm.
Lub xoom point ntawm lub sensor yuav tsum yog tus nqi tau los ntawm kev sim hauv lub xeev uas yuav tsum tau ua los ntawm kev tsim, kev teeb tsa thiab kev siv lub sensor los tiv thaiv qhov tsis ncaj ncees lawm los ntawm qhov hnyav ntawm lub sensor nws tus kheej. 2. Kev ntsuas rwb thaiv tsev feem ntau, peb yuav tsum tau sim cov impedance ntawm cov hlau lead ntawm lub sensor thiab lub cev sensor (elastomer, plhaub, thiab lwm yam). Nco ntsoov, disconnect lub sensor los ntawm junction box thiab meter.
Debug lub rwb thaiv tsev ntsuas lub thawv (meter), tom qab ntawd txuas ib kawg ntawm qhov kev xeem coj mus rau lub sensor cable (tso zis, tawm tswv yim, shielded hlau, thiab lwm yam), thiab lwm yam kawg rau lub cev sensor (elastomer, plhaub, thiab lwm yam). Raws li qhov kev xav tau dav dav, qhov impedance no≥5000MΩ 3. Kev sim choj impedance Kev sim choj impedance yog los ntsuas kev ncaj ncees ntawm tus choj sensor. Thaum kuaj, lub sensor yuav tsum raug txiav tawm ntawm lub thawv sib txuas thiab lwm yam khoom siv kuaj.
Kev ntsuam xyuas cov tswv yim thiab cov zis impedance yog ntsuas qhov impedance tus nqi ntawm lub input davhlau ya nyob twg thiab tso zis davhlau ya nyob twg ntawm lub sensor nyob rau hauv lem nrog cov multimeter xeem coj, thiab sib piv cov nqi xeem nrog tus nqi ntawm cov khoom pov thawj; Qhov kev pom zoo ntawm choj symmetry yog hais txog kev siv digital multimeter. Siv qhov impedance ntawm qhov kev tawm tswv yim thiab qhov kawg tso tawm, thiab ntsuas lawv nyob rau hauv lem kom tau 4 pawg ntawm impedance qhov tseem ceeb. Nyob rau hauv tag nrho symmetrically compensated sensor, qhov sib txawv heev ntawm plaub pawg ntawm impedance qhov tseem ceeb yuav tsum tsis txhob ntau tshaj 1Ω (tus nqi ntawm ib tug multimeter nrog tsawg raug). yuav tsum tsis txhob ntau tshaj 2Ω). 4. Kuaj cov zis sensor Txuas lub sensor mus rau cov tswj fais fab sib cais, thiab siv qhov excitation voltage ntawm 10 ~ 15VDC. Txuas cov zis kawg ntawm lub sensor mus rau millivoltmeter (los yog teem lub multimeter mus rau DC millivolt iav), thauj khoom ntawm lub loading kawg ntawm lub sensor raws li kev teeb tsa thiab siv cov xwm txheej ntawm lub sensor, thiab saib xyuas qhov kev hloov pauv ntawm cov zis. sensor.
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