Feature

●Hold the measurement date.
●Min/Max/Lock current value.
●LCD back light for clear reading.
●Wide measuring range:30~135dB.
●Sound level measurement.


Description

Feature:


LCD back light for clear reading.
Wide measuring range:30~135dB.
Sound level measurement.
Min/Max/Lock current value.
Hold the measurement date.
Manual/auto shutoff.
Portable and easy to use,suitable for sound quality control in factory,office,home,school and construction site.


Specification:
Model
SL620 digital sound level meter
Noise measurement range
35-135dB
Noise accuracy
2.0dB(reference sound pressure level,94dB@1kHz)
Frequency response
31.5Hz-8kHz
Time weighting
F/S switching
FAST
Use 125ms time constant(default use)
SLOW
Use 1 second time constant(used when the tone value changes greatly)
Frequency weighting characteristics
A characteristic(A weight)
Digital display:
4-digit LCD display
Resolution
0.1dB
Measuring two gears
Low file less than 100dB/High file greater than 100dB
Data retention
Yes
MAX/MIN