Yuav ua li cas calibrate lub clamp ammeter
Kev ntsuas ntsuas feem ntau siv los ntawm cov kws hluav taws xob muaj xws li shaker meters, multimeters, thiab clamp ammeters. Yog tias cov cuab yeej no siv tsis raug lossis tsis saib xyuas me ntsis thaum ntsuas, lub ntsuas hluav taws xob yuav raug hlawv, lossis cov khoom siv hauv kev sim yuav raug puas tsuaj, thiab txawm tias kev nyab xeeb ntawm tus kheej yuav raug puas tsuaj. Yog li ntawd, nws yog ib qho tseem ceeb heev kom paub qhov tseeb ntawm kev siv cov cuab yeej hluav taws xob uas siv los ntsuas.
1 Megger Megger, tseem hu ua megohmmeter, yog siv los kuaj cov kab mob ntawm cov kab lossis cov khoom siv hluav taws xob. Kev siv thiab ceev faj yog raws li nram no:
(1) Ua ntej, xaiv ib qho megger haum rau qib voltage ntawm cov khoom hauv kev sim. Rau cov kab lossis cov khoom siv hluav taws xob ntawm 500V lossis qis dua, yuav tsum siv 500V lossis 1000V megger. Rau cov kab lossis cov khoom siv hluav taws xob siab tshaj 500V, 1000V lossis 2500V megger yuav tsum tau siv.
(2) Thaum kuaj cov rwb thaiv tsev ntawm cov khoom siv high-voltage nrog lub megger, nws yuav tsum tau nqa los ntawm ob tus neeg.
(3) Ua ntej kev ntsuas, lub zog ntawm cov khoom siv ntsuas hluav taws xob lossis cov khoom siv hluav taws xob yuav tsum raug txiav tawm tag nrho, uas yog, nws tsis raug tso cai los ntsuas cov rwb thaiv tsev tiv thaiv nrog lub hwj chim. Thiab nws tsuas tuaj yeem nqa tau tom qab lees paub tias tsis muaj leej twg ua haujlwm ntawm kab lossis khoom siv hluav taws xob.
(4) Lub ntsuas hluav taws xob siv los ntawm lub ntsuas hluav taws xob yuav tsum yog cov xaim hluav taws xob, thiab nws tsis tsim nyog siv twisted insulated hlau. Qhov kawg ntawm lub 'meter' hlau yuav tsum muaj ib qho insulating sheath; kab davhlau ya nyob twg "L" ntawm lub 'meter' yuav tsum tau txuas nrog lub cuab yeej nyob rau hauv kev sim. Lub davhlau ya nyob twg hauv av "E" yuav tsum tau txuas nrog cov khoom siv plhaub thiab cov khoom siv tsis ntsuas, thiab lub davhlau ya nyob twg "G" yuav tsum tau txuas nrog lub nplhaib tiv thaiv lossis cov kab hluav taws xob rwb thaiv tsev kom txo tau qhov yuam kev los ntawm kev xau. tam sim no nyob rau ntawm qhov chaw rwb thaiv tsev.
(5) Lub megger yuav tsum tau kuaj xyuas qhib Circuit Court ua ntej ntsuas. Thaum lub "L" kawg thiab "E" kawg ntawm lub shaker meter yog khoob, co lub shaker meter, thiab nws pointer yuav tsum taw tes rau "∞"; ". Nws txhais tau hais tias lub shaker muaj nuj nqi zoo thiab siv tau.
(6) Ua ntej kev sim, qhov ntsuas hluav taws xob lossis cov khoom siv hluav taws xob yuav tsum tau muab tso rau hauv av thiab tso tawm. Thaum kuaj kab, koj yuav tsum tau txais kev tso cai los ntawm lwm tus neeg sab nrauv ua ntej yuav mus.
(7) Thaum ntsuas, nws raug nquahu kom co tus kov ntawm qhov sib txawv ntawm 120r / min; Tom qab tswj xyuas qhov nrawm nrawm rau 1min, siv qhov kev nyeem ntawv kom tsis txhob muaj qhov cuam tshuam ntawm qhov nqus tam sim no.
(8) Thaum lub sijhawm kuaj, ob txhais tes yuav tsum tsis txhob kov ob lub xov hlau tib lub sijhawm.
(9) Tom qab kev sim, cov stitches yuav tsum tau muab tshem tawm ua ntej, thiab tom qab ntawd nres lub moos. Txhawm rau tiv thaiv cov khoom siv hluav taws xob los ntawm thim rov qab them lub megger thiab ua rau kev puas tsuaj rau lub megger.
(10) Thaum xob laim, nws yog nruj me ntsis txwv tsis pub kuaj cov kab rwb thaiv tsev.
