Features:
* Sound level Range:30 to 130dB(Auto Ranging)
* Frequency weighting: A/C
* Fast/Slow time weighting selection
* Max Hold function
* High accuracy
* Bar graph display
* AC/DC function
* White Backlight
* Over / Under indicator
* Time and date display
* Auto-off function setup
* Low Battery Alert
* Tripod Mount (Tripod not included)
* Soft case, USB Lead(power line), manual,AC/DC line, Batteries included
* CE Certified & RoHS Compliant
Specifications:
Standard applied: IEC651 type 2, ANSI S1.4 type 2
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
Display update time: 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
sampling rate: FAST (125ms) / SLOW (1s)
Power supply: 6V (4pcs AA Size 1.5V battery)
Dimension:245*70*45mm
Weight:approx240g(battery included)
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High Precision 30 to 130dB USB Sound Decibel Meter Images
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