Chav Kawm Loud Noise Decibel Reader Meter

SMART SENSOR Mini Digital Sound Level Meter LCD Zaub Noise Meter Noise Measuring Instrument Decibel Tester 30-130dBA chav kawm Suab nrov nrov decibel nyeem ntawv ntsuas

Thov ua siab zoo sau tseg,cov khoom teev npe yog tsim thiab xa tawm txawv teb chaws thiab raug cai raws li txoj cai ntawm nws lub tebchaws tuaj.

Lub ntsuas suab nrov no yog tsim los ntsuas lub suab hauv ntau qhov chaw. Nws yog dav siv nyob rau hauv lub suab tswj engineering, kev tswj kom zoo, kev noj qab haus huv thiab kev kho mob, kev saib xyuas ib puag ncig hauv tsev, thiab lwm yam.

Nta

This instrument is high precision sound level meter, accuracy up to ±1.5dB.

Temperature measurement function and Temperature unit selection( degree /℉)

Liab rov qab lub teeb tswb thiab suab tswb muaj nuj nqi.

Qhov ntsuas suab digital no nrog kev ua haujlwm ruaj khov thiab txhim khu kev qha.

Kev ntsuas dav ntawm 30dB txog 130dBA.

Cov ntaub ntawv tuav muaj nuj nqi, qhov siab tshaj plaws thiab qhov tsawg kawg nkaus ntsuas tus nqi.

LCD zaub nrog backlight, yooj yim siv thaum hmo ntuj.

Tsawg roj teeb qhia, tsis siv neeg phau ntawv fais fab tua muaj nuj nqi.

Compact thiab lub teeb, yooj yim los tuav thiab nqa.

Nruab nrog daim txhuam cev pob rau kev tiv thaiv sensor.

Cov ntawv thov suav nrog: Kev ntsuas ib puag ncig, kev tswj hwm txoj cai, tsim qhov chaw ua haujlwm, ntsuas suab ntsuas ntawm cov tshuab thiab cov cav.

Specification

Hom Lub Npe: SMART SENSOR

Xim: Dub

Khoom siv: ABS

Digital zaub: 4 tus lej

Kev ntsuas ntau: 30-130dBA

Kev daws teeb meem: 0.1dB

Accuracy: ±1.5dB (under reference conditions)

Ntau zaus: 31.5Hz txog 8.5Hz

Frequency Weighting: Ib Qhov Ntsuas

Cov ntaub ntawv tuav: Qhov siab tshaj plaws thiab tsawg kawg tuav

Sampling tus nqi: 2 zaug / s

Kev ntsuas kub: -10 ° -50 ° F / 14 ° F - 122 ° F

Accuracy: ±2 degree

Kev daws teeb meem: 0.1 degree

Fais fab mov: 3 AAA roj teeb (tsis suav nrog)

Kev khiav hauj lwm kub: 0-40 degree (10% -80 feem pua ​​RH)

Cia Kub: -10-60 degree (10% -70% RH)

Yam khoom hnyav: 84g / 0.19lb

Yam khoom loj: 1552.8cm / 5.911.971.1in

Pob hnyav: 157g / 0.35lb

Pob loj: 19.5 7.5 3.5 / 7.682.951.38in

CEEB TOOM:

Please don't store it at high temperature or humidity, high concentration salt or sulfur environment.

If don't use it for a long time, please take off the battery to prevent leakage of battery.

Thov tso cai 1-3cm qhov sib txawv vim kev ntsuas phau ntawv.

Pob npe:

1 Digital Sound Level Meter

1 User Manual (English)

Khoom Paub meej

Chav kawm nrov nrov decibel nyeem ntawv ntsuas

Suab / Teeb tswb

Multi Function

Tsis tshua muaj Capacitive Condenser Microphone

Kev ntsuas muaj nuj nqi nrog cov ntaub ntawv tuav

Loj Xim Zaub

FAQ

1. Koj hnub yug yog dab tsi?
Hnub xa khoom yog li 7-15 hnub tom qab tau txais cov nyiaj them poob haujlwm raws li koj qhov kev txiav txim kom muaj nuj nqis.

2. Kuv tuaj yeem tau txais koj daim ntawv teev nqi li cas?

Thov hu rau kuv, kuv yuav xa koj daim ntawv teev nqi sai li sai tau.

3. Yuav tswj tau qhov zoo li cas?

1) Sib piv thiab qhov chaw sib tw 1^sttes raw khoom

2) Kev tshuaj xyuas pib los ntawm cov khoom siv raw khoom thiab raws li kev tsim khoom

3) Kev kuaj xyuas ua ntej ua zaub mov xa tuaj thiab ntim kev nyab xeeb

4. Cov khoom kim heev, koj puas tuaj yeem ua rau kuv pheej yig dua?

Yog lawm, peb tuaj yeem tsim thiab tsim cov khoom ntawm tus nqi sib txawv raws li koj xav tau.