TENMARS TM-104 噪音计 (35~135dB)

Microphone: 1/2 inch electret condenser microphone

Resolution: 0.1dB

Accuracy: ±1.8dB (ref 94dB@1KHz)

Level range: Lo: 35~80dB; Med: 50~100dB; Hi: 80~130dB

Dynamic range: 50dB

Frequency range: 31.5Hz~8KHz

Datasheet