Display | 18 mm LCD, 3 1/2 digits |
Measurement range: | 3 ranges: 35 to 130 dB (typical 30 to 130 dB), input signal only |
Resolution: | 0.1 dB |
Frequency | 31.5 Hz to 8,000 Hz |
Measurement : | RGB value :R ( Red ) value : 0 to 1023. |
Calibrator: | B & K (Bruel & k multi-function acoustic calibrator, model: 4226) |
Microphone: | electric condenser microphone |