Kev txiav txim siab seb cov cuab yeej ntsuas kev laus puas xav tau kev ntsuas ntsuas yuav tsum muaj kev ntsuam xyuas raws li peb yam: kev siv cov xwm txheej, cov ntaub ntawv keeb kwm yav dhau los, thiab cov qauv kev lag luam. Cov hauv qab no yog cov txheej txheem tshwj xeeb thiab cov txheej txheem ua haujlwm:
1. Kev txiav txim raws li cov txheej txheem kev siv khoom
Qhov kev siv tiag tiag ntawm cov khoom siv ncaj qha cuam tshuam rau nws qhov kev ua haujlwm ruaj khov thiab yog qhov tseem ceeb ntawm kev txiav txim siab qhov zaus calibration.
Kev siv zaus
Yog tias cov cuab yeej ua haujlwm ntau dua 15 hnub hauv ib hlis lossis dhau ntau tshaj 30 qhov kev xeem, nws raug nquahu kom ntsuas txhua 3-6 lub hlis. Rau kev siv tsawg zaus (piv txwv li, tsuas yog ob peb zaug hauv ib hlis), lub sijhawm ntsuas ntsuas tuaj yeem txuas ntxiv mus rau 12 lub hlis, tab sis tseem yuav tsum tau txiav txim siab ua ke nrog lwm yam.
Kev ua haujlwm ib puag ncig
Equipment operating for extended periods in high temperature and humidity (>70% RH), plua plav, los yog muaj zog electromagnetically cuam tshuam ib puag ncig yog nquag rau sensor drift; lub voj voog calibration yuav tsum tau luv. Tom qab hla -kev thauj mus los hauv cheeb tsam lossis muaj qhov kub thiab txias hloov pauv (piv txwv li, -20℃rau +50 degree), tag nrho cov ntsuas ntsuas yuav tsum tau ua tam sim ntawd.
Lub sijhawm ua haujlwm tsis tu ncua
Rau cov cuab yeej ua haujlwm tsis tu ncua rau ntau tshaj 8 teev / hnub, nws raug nquahu kom ua qhov kev kuaj xyuas ua haujlwm txhua 3 lub hlis thiab kev ntsuas tag nrho txhua 6 lub hlis.
Nco tseg: Siab- zaus siv cov cuab yeej tseem ceeb xws li siab -kub aging chambers thiab xenon teeb aging chambers yuav tsum yog qhov tseem ceeb rau kev saib xyuas.
2. Kev txiav txim raws li cov ntaub ntawv keeb kwm Trends
Los ntawm kev txheeb xyuas qhov hloov pauv ntawm cov khoom siv ntsuas cov ntaub ntawv nyob rau lub sijhawm, qhov sib txawv ntawm qhov yuav raug kwv yees ua ntej.
Data Drift Trends
If temperature measurement deviation increases by >0.01%/month after three consecutive calibrations, or humidity control deviation continues to widen, calibration should be arranged immediately. If the irradiance of the lighting system (e.g., xenon lamp) decreases by >2% / rau lub hlis, nws qhia tau hais tias lub teeb aging, yuav tsum tau calibration thiab kev ntsuam xyuas ntawm qhov yuav tsum tau hloov.
Rov ua txhaum
Yog tias qhov txhaum qub (piv txwv li, kev tswj qhov kub thiab txias, qhov txawv txav ntawm lub sensor) tshwm sim ntau dua lossis sib npaug li 2 zaug hauv ib xyoos, nws qhia tias cov cuab yeej tsis ruaj khov, thiab rov kho dua yog tsim nyog tom qab kho.
Tom qab kho lossis hloov cov ntsiab lus tseem ceeb
Tom qab hloov cov khoom cua sov, cov av noo sensors, tswj boards, thiab lwm yam., yuav tsum muaj tag nrho - parameter calibration los xyuas kom meej system compatibility.
Kev pom zoo: Tsim cov khoom siv calibration database, cov phiaj xwm tseem ceeb ntawm cov kab kos, thiab ua tiav kev soj ntsuam pom.
3. Kev txiav txim raws li kev lag luam Standards thiab Regulatory Requirements
Ua raws li cov qauv kev tso cai yog qhov yuav tsum tau ua ua ntej kom ntseeg tau tias qhov kev lees paub ntawm kev xeem.
National Standards thiab Industry Specifications
ISO / IEC 17025 yuav tsum muaj tag nrho cov cuab yeej siv los ntsuas thiab ntsuas ntsuas kom ntsuas tsawg kawg ib xyoos ib zaug.
GB / T 2423 series ntawm ib puag ncig kev ntsuas cov qauv qhia meej hais tias cov cuab yeej yuav tsum nyob rau hauv nws lub sijhawm ntsuas kev siv tau ua ntej kev sim loj (xws li cov khoom tiav thiab kev xeem ntawv pov thawj).
Kev Tswj Xyuas Kev Ua Haujlwm Zoo
Cov tuam txhab siv ISO 9001 yuav tsum xyuas kom meej tias txhua daim ntawv pov thawj cov cuab yeej ntsuas ntsuas siv tau ua ntej kev tshuaj xyuas txhua xyoo.
CNAS cov chaw soj ntsuam tau lees paub xav tau 100% kev ntsuas kev ntsuas txhua xyoo, thiab lub cev ntsuas ntsuas yuav tsum muaj cov txuj ci sib xws.
Tom qab Kev Ua Haujlwm lossis Hloov Kho Cov Qauv Tshiab
Thaum Lub Xeev Grid, IEC, thiab lwm yam, tso tawm cov qauv tshiab (xws li kev hloov tshiab ntawm Q / GDW 11337-2014), nws yog ib qho tsim nyog los xyuas seb cov cuab yeej puas ua tau raws li qhov yuav tsum tau ua rau siab ntev thiab ua kom tiav kev sib raug zoo hauv 6 lub hlis.
Daim Ntawv Pom Zoo Ua Raws Cai: Muab cov phiaj xwm calibration rau hauv cov txheej txheem tshawb xyuas sab hauv thiab kev tswj xyuas cov txheej txheem los xyuas kom meej kev ua raws li qhov yuav tsum tau ua.
4. Txoj Kev Txiav Txim Siab (Tub Txib Txiav Txim Siab)
Kev Txiav Txim Siab Yuav Tsum Tau Calibration?
Usage Frequency >30 times/month or Continuous Operation >8 teev / hnub Yog (Txhua 3-6 lub hlis)
Cov ntaub ntawv calibration keeb kwm qhia tau hais tias muaj kev sib hloov tsis tu ncua Yog (Tam sim ntawd)
Cov cuab yeej siv tau dhau los ntawm kev thauj mus los, kev co, lossis kev hloov pauv ib puag ncig Yog lawm (Txhua yam tsis muaj)
Ua ntej tshaj tawm tus qauv tshiab lossis kev tshawb xyuas txhua xyoo Yes (Ua tiav hauv lub sijhawm kawg)
Tom qab kho lossis hloov cov khoom tseem ceeb Yog (Yuav tsum tau)
