Feature

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


Description

If the product you received has quality problems,please feel free to contact us,well get back to you within 24 hours.Thank you!
Features:
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 celsius)
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
Please check the model and size before purchase.
If you have questions about the product,please contact us.