Tenmars ST-120 Sound Level Meter Calibrator Product Description. For 1/2-inch condenser micro********* s1/ANSI S1.40-1984. Output sound level: at 94dB and 114dB. Frequency: 1000Hz ±1% Class1 A, C, Z; 250Hz ±1% (Z). Sound pressure levels: at 94dB and 114dB. Harmonic wave distortion ±3%. Output feedback detection. Low battery indication
Location: Malaga Western Australia 6090, Australia
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Tenmars ST-120 Class 1 Sound Level Meter
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