Comply with IEC-61672-2013 class 1
Easy to use
competitive price
Dynamic range 100dB
The ST-107 is high performance class2 integrating sound level meter,
It measures LAF, LAS, LAI, LCF, LCS, LCI, LZF, LZS, LZI, LAmax, LCmax, LZmax, LAmin,
LCmin, LZmin, Leq (A,C,Z weight),SPL, SEL, Lcpeak functions