Video: VU meters ntsuas dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A UAS meter yog siv rau ntsuas hwj chim theem ntawm lub suab zaus signals. Xws li meters ntiav cov ballistics tshwj xeeb uas nruab nrab tawm cov qauv waveforms kom zoo qhia cov khoom siv uas sib txawv ib txhij hauv ob qho tib si amplitude thiab zaus.
Raws li, VU meter ua haujlwm li cas?
Volume unit los yog VU ” meter yog qhov yooj yim volt meter uas siv qhov nruab nrab yooj yim ntawm lub teeb liab thiab qhia nws nrog kev tawm tsam thiab tso tawm lub sijhawm nyob ib puag ncig 300 ms. Lub sijhawm qeeb qeeb tso cai rau cov neeg hloov pauv sai dua ua ntej nws sau npe lub teeb liab thiab muab kev nyeem ntawv.
Qhov thib ob, koj ua li cas ntsuas lub ntsuas VU?
- Teem XLR tso zis theem ntawm lub tov khoom rau LINE.
- Txuas tus poj niam XLR txuas nrog 600 ohm load rau lub tov khoom XLR cov zis.
- Siv cov kab nuv ntses kab nuv ntses, txuas ib qho kev sojntsuam multimeter rau tus pin 2 ntawm tus poj niam XLR.
- Fais fab mus rau lub multimeter thiab teeb nws nyeem AC voltage.
Ib yam li ntawd, tib neeg nug, vu sawv cev rau lub suab dab tsi?
ntim unit
Kuv yuav tsum sau dB qib twg?
Thaum kaw cov suab ib txwm ntaub ntawv ntawm 24-ntsis daws teeb meem thiab tsom rau qhov nruab nrab ntawm -18dB. Koj qhov nrov tshaj plaws yuav tsum ua siab tshaj ntawm -10dB thiab qis tshaj ntawm -24dbB. Sim tsis txhob siab tshaj -6dB.
Pom zoo:
Dab tsi yog qhov ntsuas ntsuas?
Kev nkag siab yog lub khoos phis tawj me me tab sis muaj zog hauv koj lub vaj huam sib luag hluav taws xob los ntawm tus kws tshaj lij hluav taws xob uas muaj ntawv tso cai, feem ntau hauv tsawg dua 30 feeb. Siv ob lub clamp-on sensors thiab 240V breaker, theSense saib cov qauv tam sim no thiab qhov hluav taws xob ib lab zaus ib thib ob los txiav txim seb koj lub zog mus qhov twg
Dab tsi yog qhov kev ntsuas ntsuas ua haujlwm?
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Leej twg ua qhov ntsuas ntsuas ntsuas?
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Dab tsi yog qhov sib txawv ntawm qhov ntsuas qhov ntsuas thiab qhov ntsuas thib ob?
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Dab tsi yog qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas?
Xav txog nws li no: rhiab heev yog ib qho kev ntsuas ntawm qhov hloov pauv ntawm lub koob yees duab qhov chaw saib uas tsim nyog raws li qhov muaj peev xwm tshawb pom, thiab qhov pib yog qhov ntau npaum li cas ntawm cov lus tsa suab yuav tsum tshwm sim txhawm rau txhawm rau ua rau lub tswb