Illuminance meter siv cov kauj ruam thiab illumination calibration
① Tig lub zog.
② Qhib lub hau ntawm lub photodetector thiab tso lub photodetector kab rov tav nyob rau hauv txoj hauj lwm ntsuas.
③Xaiv lub ntsuas ntsuas kom haum.
Yog tias tsuas yog "1" tshwm sim nyob rau sab laug kawg ntawm cov zaub, nws txhais tau hais tias lub teeb pom kev zoo dhau lawm, thiab koj yuav tsum nias qhov tseem ceeb (⑧ tus yuam sij) los kho qhov ntsuas ntau.
④ Lub illuminance meter pib ua haujlwm thiab qhia txog tus nqi illuminance ntawm lub vijtsam zaub.
⑤ Cov ntaub ntawv tso tawm ntawm lub vijtsam zaub hloov tas li. Thaum cov ntaub ntawv tso tawm yog qhov ruaj khov, nias HOLD tus yuam sij txhawm rau xauv cov ntaub ntawv.
⑥ Nyeem thiab sau cov txiaj ntsig tau pom nyob rau hauv tus nyeem ntawv. Tus nqi pom zoo yog sib npaug rau tus lej pom ntawm qhov nyeem ntawv muab faib los ntawm tus nqi ncua.
Piv txwv li: 500 yog tso tawm rau ntawm qhov screen, cov xwm txheej tso tawm nyob rau hauv lub kaum sab xis yog "× 2000", thiab qhov ntsuas qhov ntsuas qhov pom kev yog 1000000lx, uas yog (500 × 2000).
⑦ Nias lub ntsuas phoo dua kom thim qhov kev nyeem tus nqi ntsuas phoo.
⑧ Thaum txhua qhov kev soj ntsuam, nyeem peb ntu sib law liag thiab sau lawv.
⑨ Tom qab txhua qhov kev ntsuas tiav, nias lub hwj huam hloov yuam sij kom txiav tawm lub hwj chim.
⑩ Npog lub photodetector npog thiab muab nws rov qab rau hauv lub thawv.
Illumination calibration
Calibration txoj cai:
Cia Ls teeb lub photocell vertically → E=I/r2. Los ntawm kev hloov r, tus nqi photocurrent nyob rau hauv txawv illumination tuaj yeem tau txais. Qhov ntsuas tam sim no tau hloov mus rau hauv qhov ntsuas qhov pom kev raws li kev sib raug zoo ntawm E thiab i.
Txoj kev Calibration:
Siv lub teeb siv hluav taws xob siv hluav taws xob hloov qhov kev ncua deb l ntawm lub xov tooj ntawm tes photovoltaic thiab tus qauv teeb ntawm qhov kwv yees ua haujlwm nyob deb ntawm qhov chaw teeb pom kev zoo, sau cov ntawv nyeem ntawm ammeter ntawm txhua qhov kev ncua deb, thiab suav cov illuminance E raws li qhov rov qab square. Txoj cai nyob deb E=I/r2, raws li Qhov no tuaj yeem tau txais cov txiaj ntsig photocurrent i nrog cov teeb pom kev sib txawv, thiab kos qhov kev hloov pauv ntawm photocurrent i thiab illuminance E, uas yog qhov ntsuas qhov nkhaus ntawm lub ntsuas hluav taws xob. Los ntawm qhov no, lub dial ntawm lub illuminance meter tuaj yeem muab qhab nia, uas yog calibration nkhaus ntawm lub illuminance meter.
Cov yam ntxwv cuam tshuam rau calibration nkhaus:
Photocells thiab galvanometers yuav tsum tau recalibrated thaum hloov; lub illuminance meter yuav tsum tau recalibrated tom qab siv rau ib lub sij hawm ntawm lub sij hawm (feem ntau nws yuav tsum tau calibrated 1-2 zaug ib xyoos); high-precision illuminance meters yuav calibrated nrog lub teeb siv tus qauv teeb; nthuav Cov calibration ntau yam ntawm lub illuminance meter yuav hloov qhov kev ncua deb r, los yog txawv standard teeb yuav siv tau, thiab ib tug me me-ntau galvanometer yuav siv tau.
