Feature

●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).
●Data hold function, maximum and minimum value measurement.


Description

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:01dB
Measuring two gears:Low file less than 100dB/High file greater than 100dB
Data retention:have
MAX/MIN:YES(large and small value measurements)
Ambient temperature measurement:0~60C(degree )
Use battery:1.5V AAA*3 （7#batttery）(not include)
Working temperature and humidity :0~40C/10%-80% RH
Storage temperature and humidity:10~60C/10~70RH
Dimensions:147*59*30mm
Weight:about 76g