Noise meter ntsuas daim ntawv thov ntsig txog
1. Kev ntsuas lub suab nrov ntawm cov tsheb ciav hlau thiab cov khoom dov
Txoj kev ntsuas yuav ua tau raws li GB/T5111-95 "Acoustic Measurement of Radiated Noise from Railway Locomotives and Rolling Stocks"
Kev ntsuas tus nqi yuav tsum muaj LPAF, thiab kev ntsuas ntsuas spectrum tuaj yeem ua tau. Cov cuab yeej ntsuas qhov tseeb yog hom 2 lossis siab dua kev sib xyaw cov suab nrov thiab cov cuab yeej tsis siv neeg ib puag ncig cov suab nrov soj ntsuam, thiab kev ua tau zoo raws li qhov yuav tsum tau ua ntawm GB3785 "Electrical and Acoustic Performance and Measurement Meters of Noise Meters".
2. Kev ntsuas dej hauv av thiab nkoj lub suab nrov
Txoj kev ntsuas yuav ua tau raws li GB/T4964-85 "Kev ntsuas ntawm Radiated suab nrov los ntawm cov nkoj hauv Inland Waterways thiab Ports"
Kev ntsuas tus nqi yuav tsum muaj A-hnyav "ceev" tus yam ntxwv suab siab qib Lp, A-hnyav "mem tes" suab siab qib Lp, thiab cov cuab yeej ntsuas qhov tseeb yog hom 1 lossis hom 2 suab nrov ntsuas, thiab qhov ua tau raws li qhov yuav tsum tau ua ntawm GB3785 "Electrical and Acoustic Performance and Measurement Meters of Noise Meters".
3. Kev ntsuas lub suab nrov
Txoj kev ntsuas yuav ua tau raws li GB9661-88 "Aircraft suab ntsuas txoj kev nyob ib ncig ntawm tshav dav hlau" yuav tsum. Qhov ntsuas qhov tseem ceeb suav nrog A-hnyav "ceev" tus yam ntxwv lub suab siab Lp, lub suab nrov hauv dav hlau pom tau tias lub suab nrov Lepn, thiab cov cuab yeej ntsuas qhov tseeb yog hom 2 lossis siab dua lub suab nrov ntsuas thiab ib puag ncig lub suab tsis siv neeg soj ntsuam cov twj paj nruag, thiab kev ua tau zoo raws li cov khoom siv. GB3785 "Electrical thiab acoustic zog thiab kev ntsuas cov suab nrov meters".
4. Lub suab nrov qhov ntsuas lub zog ntsuas
Txoj kev ntsuas tuaj yeem ua raws li GB / T16538-96 "Acoustic suab siab txoj kev txiav txim siab lub suab nrov suab lub zog siv tus qauv suab qhov yooj yim txoj kev" ntsuas ntsuas siv hom 2 lossis siab dua suab qib teev hauv GB3785, ntsuas hauv qeeb iav, thiab nws yog qhov zoo tshaj plaws los siv cov kab txuas ntxiv lossis txuas txuas txuas ntawm lub suab nrov thiab lub microphone.
5. Kev ntsuas kev vibration ib puag ncig
Txoj kev ntsuas yuav ua tau raws li GB10071-88 "Kev ntsuas thaj tsam hauv nroog ib puag ncig kev co" yuav tsum ntsuas VAL, VL, VLZ, VLZN. Lub ntsuas ntsuas yuav tsum ua raws li cov ntsuas ntsuas ib puag ncig kev co uas tau teev tseg hauv ISO/DP8041-84.
