Digital Sound Level Meter Ntsuas Ntau Yam 30 txog 130dB

GVDA Digital Sound Level Meter Noise Tester Audio Level Meter 30-130dB Decibels Sonometro Suab Meter Decibelimetro Decibel Noise Meter

Lub suab ntsuas ntsuas no yog siv los ntsuas lub suab ntawm ib puag ncig, xws li lub Hoobkas, rhiav, tsev kawm ntawv, chaw nyob, chaw ua haujlwm, txoj kev tsheb, suab thiab lwm yam. Nws kuj tseem tsim nyog rau kev siv suab nrov, kev tswj cov khoom zoo, kev tiv thaiv kev noj qab haus huv thiab kev tswj hwm, thiab lwm yam. Nws tuaj yeem ntsuas qhov ntsuas kub thiab av noo ib yam.

Khoom nta

1, Ceev / qeeb lub sij hawm hnyav xaiv

2,2.4 nti Backlight zaub

3, Kub chav tsev degree / degree F

4, Nws pib fais fab tuag

5, Cov ntaub ntawv tuav haujlwm

6, Max / Min muaj nuj nqi

7, A / C hnyav xaiv (tsuas yog GD151B)

8, Tsawg roj teeb qhia

Cov ntsiab lus technical

Lub suab ntau:30-130dBA lossis 30-130dBC (tsuas yog GD151B)

Zaus: 30Hz-8KHz

Dynamic ntau yam: 50dB

Suab raug: ± 1.5dB (94dB @ 1KHz); ± 5dB (94dB @ 8KHz)

Kev hnyav hnyav: Ib qho hnyav (GD151A)

Kev hnyav hnyav: Ib qho hnyav, C hnyav (tsuas yog GD151B)

Lub sij hawm hnyav: ceev 125ms; qeeb 1sec

Qhov kub thiab txias: -20 degree -60 degree (-4 degree F-140 degree F)

Kub qhov tseeb: 0 degree -45 degree (32 degree F-113 degree F) ± 1 degree / 2 degree F; Lwm yam ± 1.5 degree / 3 degree F

Humidity range:{{0}}.0 feem pua ​​-99.9 feem pua ​​RH

Humidity raug: 20 feem pua ​​-80 feem pua ​​± 5RH; Lwm yam ± 6RH

Nws pib fais fab tuag: 10 feeb

Lub zog: 3 * AAA roj teeb (tsis suav nrog)

Qhov loj me: 142 * 58 * 26mm

Yam khoom hnyav: txog 114g

Ntim cov ntsiab lus

1 * Lub suab ntsuas ntsuas

1 * Phau ntawv

1* Tas

1 * Lub thawv

Khoom Paub meej

Professional Suab Level Meter

nws yog siv los ntsuas lub suab theem ntawm ib puag ncig, nrog ceev / qeeb lub sij hawm weighted switchable rau ntau yam suab ntsuas yuav tsum tau.

Condenser Microphone

built-in kev ua tau zoo sensor, tsim nrog ib tug windproof sponge kom txo tau qhov cuam tshuam ntawm cua los xyuas kom meej qhov ntsuas qhov tseeb.

Kev ntsuas suab nrov

Ambient kub thiab av noo yuav ntsuas tau tom qab qhib

A / C hnyav xaiv (tsuas yog GD151B)

Kev hnyav hnyav: Ib qho hnyav (GD151A)

Kev hnyav hnyav: Ib qho hnyav, C hnyav (tsuas yog GD151B)

Fast/slow time weighted xaiv

Lub sij hawm hnyav: ceev 125ms; qeeb 1sec. Cov ntaub ntawv tuav muaj nuj nqi.Max/Min function

Ntim nrog

1. Lub thawv khoom plig, 2. lub hnab ntaub, 3. Lub suab ntsuas ntsuas, 4. Cov neeg siv phau ntawv

FAQ

1. Kuv tuaj yeem sib xyaw ua qauv xim?
Yog, paub meej, kev txiav txim sib xyaw lossis xim tau txais. Koj tuaj yeem tso peb cov lus hais txog cov qauv xim dab tsi koj xav tau. Tab sis yog tias koj xav coj cov qauv sib txawv, thov ua siab zoo xa email rau peb.

2. Cov ntawv pov thawj rau koj cov khoom yog dab tsi?

Nws nyob ntawm cov khoom, feem ntau ROHS, CE, FCC muaj, qee qhov nrog QI lossis MFI lossis lwm daim ntawv pov thawj.]

3. Koj cov nqe lus them nqi yog dab tsi?
Los ntawm T / T 50% ua ntej; Sib npaug 50 feem pua ​​​​ua ntej xa khoom xa tuaj.

4. Lub sijhawm khoom xa tuaj yog dab tsi?

Lub sij hawm xa tuaj rau cov qauv xaj yog ib txwm 1-3 hnub ua haujlwm tom qab tau txais tag nrho cov nyiaj them poob haujlwm. Rau kev txiav txim ntau, nws yog li 10 ~ 35 hnub ua haujlwm tom qab tau txais qhov tso nyiaj.

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