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.
Description:
100% brand-new and high quality.
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.
Specifications:
Model: SW-525B
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
Package Included:
1 x SW-525B sound level meter
1 x USB cable
1 x Manual
1 x Certification
Brand:
TestHelper