Tohodo Scientific Instrument

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 Alat Uji Volume Suara- Sound Level Meter with Data Logger Function
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09 Okt 2018
China
1 Unit
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Spesifikasi

Alat Uji Volume Suara- Sound Level Meter with Data Logger Function

Sound Level Meter dengan fungsi penyimpanan data ( Data Logger)
This Digital Sound Level Meter is an instrument to measure Sound Pressure Level in decibels (dB).
This meter is featured with wide measuring range (30 ~ 130 dB), Bar-Graph Indication, A/C frequency weighting, Fast / Slow response and Maximum Hold function.
Moreover, the meter can connect to PC for Data Logging with optional USB cable.
This is a portable, 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:
Sound level Range:30 to 130dB (Low=30-100dB ,High=60-130dB) Auto Ranging
Frequency weighting: A/C
Fast/Slow time weighting selection
32000 Reading Internal Memory (Data record function)*
Max Hold function
High accuracy
Bar graph display
AC & DC analogy signal output are available connecting to frequency analyzer level recorder, FFT analyzer and graphic record.
White Backlight
Over / Under alert function*
Time display
Auto-off function setup
Low Battery Alert
Tripod Mount (Tripod not included)
Software, USB Lead, DC 6V Cable, Case & Batteries included
CE Certified & RoHS Compliant
*Computer connection required

Specifications:
Calibration sound source: 94dB @ 1kHz
Measurement range: 30~130dBA
Accuracy: +1.5dB(reference sound pressure standard,94dB@1KHz)
Frequency response: 31.5~8.5KHz
Resolution: 0.1dB
Frequency weighting: A/C
Analogy bar graph: 2dB/1 Bar graph
Sampling rate: 2 times/second (FAST), 1 time/second (SLOW)
AC signal output: 4Vrms/ full barograph, output impedance is approx 600 ohm
DC signal output: 33mV/dB
Dynamic characteristic: FAST (high speed) / SLOW (low speed)
Data storage quantity: 32000 readings
Power supply: 6V (4pcs AA Size 1.5V battery)
Dimension: 245x70x25m
Weight: 240g approx. inc. battery

Paket Termasuk:
Unit
USB Lead
Software
DC 6V Cable
Soft Case
Battery
Manual

 

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