BENETECH Digital Sound Level Meter USB Noise Tester meter GM1356 30-130dB A/C FAST/SLOW dB+ Software

specificationsMeasuring range30dBA~130dBA,35~130dBCAccuracy±1.5dBFrequency range31.5Hz~8.5..

฿2,263.05 Ex Tax: ฿2,115.00