SW525B SNDWAY

Features:
Measurement range: 30 ~ 130dB (dB)
Accuracy: +1.5 dB (reference sound pressure level, 94dB @ 1kHz)

Special Function:
1. Data storage function, for one year, 2 seconds per data
2. Data export function
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