Kev ntsuas ntsuas nrog digital multimeter
Ntxig tus cwj mem liab rau hauv "V / Ω" jack, xaiv qhov ntsuas qhov ntsuas qhov tsim nyog raws li qhov loj ntawm qhov tsis kam, kov cov cwj mem liab thiab xim dub rau ob qho kawg ntawm qhov resistor, thiab saib xyuas kev nyeem ntawv. Tshwj xeeb, thaum ntsuas kev tiv thaiv hauv Circuit Court (tsis kam ntawm lub rooj tsav xwm hauv Circuit Court), lub zog hluav taws xob rau lub voj voog yuav tsum raug muab tua ua ntej kom tsis txhob muaj kev ntxhov siab hauv kev nyeem ntawv. Nws yog txwv tsis pub siv lub resistor los ntsuas tam sim no lossis voltage (tshwj xeeb tshaj yog AC 220V voltage), txwv tsis pub lub multimeter yuav yooj yim puas. Tsis tas li ntawd, cov qib kuj tseem siv tau los txiav txim qhov zoo ntawm lub capacitor. Ua ntej luv luv Circuit Court ob tug ncej ntawm lub capacitor (kov ob tug ncej nrog ib tug xeem txhuas nyob rau tib lub sij hawm kom tso tawm lub capacitor), ces kov ob lub xeem coj ntawm lub multimeter mus rau ob tug ncej ntawm lub capacitor raws li, thiab saib xyuas cov displayed. tsis kam nyeem ntawv. Yog hais tias qhov kev nyeem ntawv tsis kam tso tawm thaum pib me me (sib npaug rau luv luv Circuit Court), tom qab ntawd lub capacitor pib them, qhov kev nyeem ntawv tsis kam tso tawm maj mam nce, thiab thaum kawg qhov kev nyeem ntawv tsis kam tso tawm ua "1" (sib npaug rau qhov qhib Circuit Court) , nws txhais tau hais tias lub capacitor yog OK Yog hais tias cov kauj ruam saum toj no tau ua raws thiab cov ntawv nyeem kuj tseem tsis hloov, nws txhais tau hais tias lub capacitor puas lawm (qhib Circuit Court lossis luv luv). Kev saib xyuas tshwj xeeb yuav tsum tau them rau kev xaiv qhov kev tiv thaiv kom tsim nyog raws li qhov loj ntawm lub capacitor thaum ntsuas. Piv txwv li, 47μF yuav tsum siv 200k ntau, thaum 4.7μF yuav tsum siv 2M ntau, thiab lwm yam.
Cov kev ceev faj
1. Ua tib zoo saib xyuas qhov kev xaiv kom raug ntawm kev ntsuas ntau thiab kev kuaj liab liab lub qhov (socket). Thaum ntsuas qhov tsis paub qhov ntau, koj yuav tsum xub kho qhov ntau ntawm qhov siab tshaj plaws, thiab tom qab ntawd kho nws los ntawm loj mus rau me me kom txog thaum nws tsim nyog. Yog tias "1" tshwm sim, nws txhais tau hais tias nws dhau-txiav thiab qhov ntau yuav tsum tau nce ntxiv.
2. Thaum tsis ntsuas, tua lub hwj chim.
3. Thaum hloov qhov ntau, qhov kev xeem coj yuav tsum raug txiav tawm ntawm qhov ntsuas ntsuas.
4. Thaum ntsuas tam sim no, tsis txhob overloading.
5. Nws tsis raug tso cai siv qhov kev tiv thaiv lossis qhov chaw tam sim no los ntsuas qhov voltage.
