武漢恒新國(guó)儀科技有限公司提供數(shù)字聲級(jí)計(jì),武漢數(shù)字聲級(jí)計(jì),GY854數(shù)字聲級(jí)計(jì),各型號(hào)數(shù)字聲級(jí)計(jì)。規(guī)格TES-1350A適用標(biāo)準(zhǔn)IEC651Type2測(cè)量范圍ALO(Low)-Weighting:35-100dBAHI(High)-Weighting:65-130dBCLO(Low)-Weighting:35-100dBCHI(High)-Weighting:65-130dB分辨率0.1dB頻率范圍31.5Hzto8KHz準(zhǔn)確度 2dB重作范圍65dB權(quán)衡網(wǎng)絡(luò)頻率A、C時(shí)間向應(yīng)Slow