SM01-เครื่องวัดความดังเสียง, Digital Sound Meter, Decibel Meter, Noise tester AZ8928

Description:

The digital sound level meter is 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.

Features:

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

Low battery indicator

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

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 (not inclued)

Package included:

1 x Decibel Meter

a user manual