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Hot sale Digital Accurate Sound pressure Level db Decibel Meter Noise meter free shipping

Hot sale Digital Accurate Sound pressure Level db Decibel Meter Noise meter free shipping

Shared by: Violeta Coppock from ALIEXPRESS
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Description

Hot sale Digital Accurate Sound pressure Level db Decibel Meter Noise meter free shipping

Easy to use and handy instrument for sound quality control in office home school and construction site.

The meter has wide range of applications such as noise pollution studies research and other industrial use.

Low battery indicator

Monitor the sound levels from traffic noise alarm systems and workplace machinery

Conformed to the IEC 651 Type 2 and ANSI S1.4 Type 2 set standard

Wide Measuring Range: 40 ~ 130 dB

With 2 equivalent weighted sound pressure levels A and C

Fast and Slow dynamic characteristic modes

Bar graph indication for Sound Level Range

Maximum hold function

Large LCD screen with 4 digits reading

MAX/MIN QUASI-ANALOG BAR INDICATOR

AUTO/MANUAL RANGING SELECTION

Fast & Slow response selectable

Auto power off : 20 min after non-operation

Specification:

Measurement frequency range: 300Hz ~ 8K Hz Quasi-analog bar indicator: 1dB display steps 30dB dosplay range updated every 50ms Measurement level ranges 4 ranges: 40~70dB 60~90dB 80~110dB 100~130dB Meas. level A weighting: 40dB~130dB Meas. level C weighting: 45dB~130dB Accurary: 2dB(at 94dB 1K Hz) Microphone: 10mm(Dia) Electric Condenser Microphone Digital Disolay: 3.5 LCD 0.1 resolution updated every 0.5 sec Power: 1x9V battery (inclued)

Package includes:

1 x Decibel Meter 1 x 9V battery

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