DIGITAL SOUND LEVEL METER
รหัสสินค้า : DIGITAL SOUND LEVEL METER
Sound level meter has a wide dynamic range from 30 to 130 decibel. Frequency range is 31,5H to 8 KHz. It has different frequency weighting A and C to respond to human sense or machine monitoring purposes. For different sound patterns, it also supplies Fast and Slow time constant setting. The digital display with 4 digits is illuminated , resolution 0,1 dB. Hold function for maximum values. Microphone: Electret condenser microphone.