Sound Level Meter (28)~130 dB with software SL4201
Feature
* 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
* Data storage
* With interface
Spesification
* Frequency range:31.5Hz to 8KHz
* Measuring range:(28)30-130dB
* Frequency Weighting:A/C
* Microphone:1/2 inch polarization capacitance microphone
* Digital Display:4 digit LCD
* Resolution:0.1dB
* Display Update:2 times/sec
* Time Weighting:FAST 125ms
??????? SLOW 1 second
* Measuring ranges:
???Range 1:?28?30dB to 70 dB
???Range 2:60dB to 100 dB
???Range 3:90dB to 130 dB
* Accuracy:±1.5dB(reference conditions 94dB@1kHz)
* Dynamic range:40dB
* MAX hold: "MAX"
* Data storage:60000 samples
* Interface:USB interface
* Power: one 9V battery
* Operating environment: Temperature: 0-40??32-104°F?
Relative humidity: ≤75%RH
Inquiry
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