Purchase instructions: 1.The product is powered by USB cable, please confirm before purchase, you have USB socket applicable
Product has no battery, it uses AC power supply
2.If the product you purchased cannot be connected to the software, please contact the seller and update the software version.
3.Usually in a very quiet room, the value will not be lower than 40dB, which is normal.
4.After the start of the meter, save every two seconds.You can observe the noise changes through th line chart, which will be more intuitive.
Large digital LCD display
Measurement range is 30 ~ 130dB
Use the device to measure noises inside or outside.
With hanging holes, can be hangged on the wall
DC 5V 1A micro USB power supply
With data export and memory storage fuction.
Measurement range : 30 ~ 130dB (dB)
Accuracy: +1.5 dB (reference sound pressure level, 94dB @ 1kHz)
Frequency response: 31.5Hz ~ 8.5kHz
frequency weighting: A
Response time: Fast
Microphone: 6mm condenser microphone
Power supply: DC 5V 1A micro USB
Sampling rate: 2 times/second
working environment: 0 – 40 degrees (32 degrees Fahrenheit to 104 degrees Fahrenheit), 10 – 80%RH
Storage of Temp. and humidity: -10~60C. 10~70%RH
LED light color:Red
1 x SW-525B sound level meter
1 x USB cable
1 x Manual
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SW-525B, 9.6” LCD Display
Measurement range 30 ~ 130dB (dB),Accuracy: +1.5 dB
With data export and memory storage fuction,Sampling rate: 2 times/second
Power supply: DC 5v 1A micro USB