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Sound Level Meter 30~130 dB SL4200


This high-precision high quality high accuracy Sound Level Meter (30 to 130 Decibels) has been designed to meet the measurement requirement of Safety Engineers, Health, Industrial Safety offices and Sound Quality control in various environment.


* Designed according to International Electrician Committee Standard IEC 651 TYPE 2 ,ANSI S1.4 TYPE 2
* Wild Measurement Range: 30-130dB
* Windscreen/sponge ball to filter-out unwanted signals
* With Bar graph & Overload Indication (Over/Under)
* With 2 equivalent weighted sound pressure levels A and C
A frequency weighting for general sound level measurements
C frequency weighting for checking the low-frequency content of sounds
* AC & DC analogy signal output are available connecting to frequency analyzer level recorder, FFT analyzer and graphic record
* Large LCD screen with digits reading
* Fast and Slow dynamic characteristic mode
* Maximum value hold function to lock up the maximum reading
* Dynamic sound level ranges & battery life indication
* Brand new, portable and easy to use


* Microphone:1/2 inch electret condenser
* Display:3 1/2 digits LCD display
* Resolution:0.5dB
* Sampling time:0.5 second
* Time Weighting:FAST 125ms
??????? SLOW 1 second
* Measuring ranges:
???Range 1:?30?32dB to 70 dB
???Range 2:60dB to 100 dB
???Range 3:90dB to 130 dB
* Accuracy:±2dB(94dB@1kHz)
* Dynamic range:40dB
* Overflow indictor
* MAX hold: "MAX"
* Power supply: one 9V battery (model 6F22)
* Operating environment:
  Temperature: 0-40??32-104°F?
  Relative humidity: ≤75%RH


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