Vim li cas thiaj xaiv 7-thiab-ib-ib-nrab-tus lej multimeter?
Cov khoom siv hluav taws xob tau dhau los ua ib feem tseem ceeb ntawm cov neeg niaj hnub lub neej niaj hnub. Tab sis lawv cov kev siv kuj coj qee qhov tsis zoo, xws li hluav taws xob hluav taws xob, xov tooj cua zaus hluav taws xob, kev cuam tshuam ob, thiab lwm yam. Tshwj xeeb tshaj yog qhov teeb meem ntawm hluav taws xob hluav taws xob, nws tsis yog tsuas yog tsim kev puas tsuaj rau tib neeg lub cev, tab sis kuj ua rau kev puas tsuaj rau cov khoom siv nws tus kheej. Yog li ntawd, kev tiv thaiv hluav taws xob hluav taws xob ntawm cov kab hluav taws xob yog qhov tseem ceeb tshwj xeeb. Tom ntej no, cia peb saib cov ncauj lus kom ntxaws txog kev ceev faj txog kev tiv thaiv hluav taws xob hluav taws xob ntawm cov kab hluav taws xob.
Qhov chaw thiab kev phom sij ntawm electromagnetic tawg
Muaj ob qhov tseem ceeb ntawm hluav taws xob hluav taws xob hluav taws xob ntawm cov kab hluav taws xob: ib qho yog hluav taws xob hluav taws xob hluav taws xob hluav taws xob los ntawm daim phiaj hluav taws xob uas tau qhia offline; Qhov thib ob yog tus kheej electromagnetic hluav taws xob tshwm sim los ntawm kev hloov pauv tam sim no thiab voltage.
Qhov cuam tshuam ntawm electromagnetic hluav taws xob ntawm ntau zaus ntawm tib neeg lub cev sib txawv. High zaus electromagnetic nthwv dej yog nqus los ntawm tib neeg lub cev thiab tuaj yeem ua rau tib neeg lub cev raug mob yooj yim thaum lawv ncav cuag ib qho kev siv. Txawm hais tias tsis tshua muaj hluav taws xob tsis muaj hluav taws xob tsis nqus, lawv tuaj yeem tsim hluav taws xob muaj zog thiab sib nqus teb nyob ib puag ncig tib neeg lub cev. Kev raug mob mus ntev tuaj yeem muaj qee yam cuam tshuam rau tib neeg kev noj qab haus huv, xws li ua rau mob taub hau, pw tsaug zog, qaug zog, mob nqaij, thiab txawm tias mob qog noj ntshav.
Tsis tas li ntawd, hluav taws xob hluav taws xob kuj tuaj yeem ua rau cov khoom puas tsuaj rau nws tus kheej. Lub sij hawm ntev raug rau hluav taws xob hluav taws xob tuaj yeem muaj kev cuam tshuam rau cov khoom siv sab hauv, yog li cuam tshuam rau nws cov kev ua tau zoo thiab txawm tias ua rau lub cev sib tsoo.
Yog li ntawd, kev saib xyuas siab yuav tsum tau them rau kev tiv thaiv hluav taws xob hluav taws xob ntawm cov kab hluav taws xob.
EMF detector no yog lub chaw kuaj xyuas kev noj qab haus huv thiab kev nyab xeeb, uas tuaj yeem ntes AC magnetic teb, hluav taws xob thiab hluav taws xob ntau (RF) hluav taws xob. Nws yog tsuas yog siv los ntsuas thiab ntsuas qhov cuam tshuam rau tib neeg lub cev ntawm cov khoom siv hluav taws xob uas tsis yog-ionizing electromagnetic, sib nqus teb thiab cov hluav taws xob ntau zaus hauv kev nyob thiab ua haujlwm ib puag ncig.
Kev ntsuas hluav taws xob hluav taws xob tiv thaiv hluav taws xob ntawm cov kab hluav taws xob
1. Xaiv cov khoom siv fais fab uas muaj hluav taws xob tsawg
Ua ntej, nyob rau hauv tus txheej txheem ntawm lub hwj chim qaum tsim, cov ntaub ntawv uas tsis muaj electromagnetic tawg yuav tsum tau xaiv. Piv txwv li, qee cov khoom siv hlau tshwj xeeb tuaj yeem nqus cov hluav taws xob tsis zoo, yog li txo qhov tshwm sim ntawm hluav taws xob hluav taws xob.
2. Siv hlau thaiv
Txhawm rau tiv thaiv electromagnetic nthwv dej los ntawm kev nkag mus rau lub zog qaum, peb tuaj yeem siv cov cuab yeej siv hlau thaiv kev tiv thaiv. Cov cuab yeej no tuaj yeem txo cov hluav taws xob hluav taws xob hluav taws xob ntawm cov kab hluav taws xob, thaum tseem tiv thaiv kev cuam tshuam ntawm sab nraud electromagnetic cuam tshuam ntawm lub cev.
3. Tsim nyog faib cov fais fab cables
Thaum lub sij hawm kev teeb tsa ntawm txoj hlua hluav taws xob, nws yuav tsum tau muab cais tawm ntawm lwm cov kab ntau li ntau tau kom tsis txhob muaj kev cuam tshuam ntawm cov hluav taws xob hluav taws xob. Lub caij no, qhov ntev ntawm txoj hlua hluav taws xob yuav tsum luv li sai tau, tsis txhob khoov thiab entanglement kom ntau li ntau tau.
4. Zoo tswj cov teeb liab kis ceev
Cov hluav taws xob hluav taws xob hluav taws xob ntawm cov kab hluav taws xob tsis yog tsuas yog tsim los ntawm cov kab hluav taws xob nws tus kheej, tab sis kuj tseem muaj zog los ntawm cov hluav taws xob hluav taws xob hluav taws xob coj los ntawm cov teeb liab kis. Yog li ntawd, thaum tsim cov kab hluav taws xob sib txuas, lub teeb liab kis tau tus mob yuav tsum tau txo kom ntau li ntau tau kom txo tau qhov teeb meem ntawm hluav taws xob hluav taws xob.
