Ntsuas Precision Qib Kawm

Kev txhim kho yog raug faib los ntawm qhov feem pua ntawm nws qhov yuam kev nyob rau hauv qhov kev ntsuas tus nqi. Qhov ntau dua qhov tseeb theem, qhov ntau dua qhov yuam kev uas tau tso cai yog qhov loj dua qhov kev txwv ntawm qhov ntsuas. Qhov ntau dua qhov ntau, tib qhov theem, qhov nqi ntawm tus nqi siab yog ntsuas, ntau dua qhov tso cai yuam kev. Lub precision siv yog 2.5 los 1.5. Yog hais tias 1 thiab 0.5 yog kev siab tshaj, muaj cov twb 0.25 cov duab.

Qhov kev qhia ntawm kev ua yuam kev yog muab faib rau kev siv yuam kev, txheeb ze yuam kev thiab kev yuam kev.

Reference yuam kev = (meej yuam kev ntau / ntsuas ntau) x 100%

Piv txwv li: 2% FS

Txheeb ze yuam kev = (meej qhov yuam kev siab tshaj / ntsuas ntsuas tus nqi) * 100%

Piv txwv li: tsawg dua 2%

Qhov yuam kev tsis yog hais txog qhov yuam kev ntau npaum li cas los ntawm qhov tseeb muaj nqis.

Piv txwv: <+ 0.01m="" 3="">

Raws li kev ua haujlwm zoo, qhov ntsuas ntawm ntsuas ntsuas hu ua ntsuas qhov tseeb. Hauv kev ntsuas, ua kom yooj yim ntawm qhov ntsuas, qhov tseeb theem feem ntau yog siv los qhia qhov tseeb ntawm qhov ntsuas. Qhov theem ntawm cov neeg yog qhov siab tshaj plaws siv qhov yuam kev kom tshem tawm qhov zoo, tsis zoo thiab feem pua ntsiab lus. Kev ua tiav qhov tseeb yog ib qho tseem ceeb ntsuas los ntsuas qhov zoo ntawm cov twj paj nruag. Tuam Tshoj txoj kev ntsuas cov qhab-nees tau muab faib ua 0.1, 0.2, 0.5, 1, 1.5, 2.5, 5 thiab xya qib, thiab tau cim rau ntsuas nplai lossis daim ntawv teev npe. Qhov tseeb ntawm kev ntsuas yog feem ntau hu ua cov neeg, thiab qhov tseeb qib yog feem ntau hu ua kev qhia qib siab.

Qhov tseeb ntawm kev ntsuas = (qhov yuam kev ntau tshaj / ntsuas ntau) * 100%

Qhov tseeb ntawm cov qauv saum toj no yog rho tawm ntawm%, uas yog qhov tseeb ntawm qhov peb tau pom.

Qhov tseeb ntawm kev ntsuas yog muab faib ua ob peb qhab raws li kev tso cai loj yuam kev raws li lub xeev. Qhov ua yuam kev ntawm ib hom kev ntsuas yog qhov siab tshaj feem pua yuam kev tau raws li ib txwm ua. Qhov tseeb ntawm cov txheej txheem kev tshawb nrhiav thiab tswj kev seev hauv Suav yog 0.005, 0.02, 0.1, 0.35, 0.5, 1, 1.5, 2.5, 4, thiab lwm yam. Cov khoom siv dav dav yog los ntawm 0.5 mus rau 4. Qhov tseeb yog qhov tseeb, ntau dua qhov tseeb ntawm qhov ntsuas.