Features:
Measurement range: 30~130dBdB
Accuracy: +1.5 dB (reference sound pressure level, 94dB @ 1kHz)
Dimensions: 210 x 130 x 30MM
Frequency response: 31.5Hz ~ 8.5kHz
frequency weighting: A
Response time: Fast
Alarm switch indicator/Condenser microphone sensor.
Microphone: 1/2 inch condenser microphone
Digital Display: 3pcs 3-inch digital tube display three
Power supply: DC 5v 1A micro USB
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
Note: This product has no switch function. When you connect USB cable, it will start. When you take out the cable, it will power off.
Thanks
Package Included:
1 x SW-525A sound level meter
1 x DC 5v 1A micro USB cable
Detail Pictures:
