DUBAN DB30-6228F Noise Spectrum Analyzer Measurement range 25dB~ 130dB
SE
Compliant with IEC61672 standard
Microphone φ 12.7mm (1/2 ") test capacitive microphone, Frequency range 10Hz~ 20kHz, Frequency weight A weight, C weight, Lin (linear), Measurement range 25dB~ 130dB (A), range control automatic transmission/manual, divided into three gears, linear range > 60dB.