DF1212BL/DF1212C/DF1212DL/DF1212E/DF1212F外形尺寸 400×360×140mm價(jià)格 請(qǐng)?jiān)儐?wèn)當(dāng)?shù)劁N售經(jīng)銷商重量 7~10kg特點(diǎn)采用新穎RC振蕩掃頻技術(shù),正弦波失真小,特別適合測(cè)聽揚(yáng)聲器純音。5位數(shù)碼管顯示頻率值。DF1212BL/DL采用4位數(shù)字電壓表指示輸出幅度值,其余型號(hào)采用指針式電壓表。掃頻起點(diǎn)、終點(diǎn)可任意調(diào)節(jié)。輸出功率大,最大可達(dá)100W。有同步輸出端。外形新穎美觀。是DF1212A升級(jí)換代產(chǎn)品。主要技術(shù)參數(shù)頻率范圍:20Hz~20KHz20Hz~100KHz(DF1212C)正弦波失真:小于0.8%工作方式:手動(dòng)、對(duì)數(shù)掃頻掃頻寬度:大于1:1000掃頻時(shí)間:0.5S~20S可調(diào)最大輸出功率:20W(DF1212BL/DF1212C)40W(DF1212DL)60W(DF1212E)100W(DF1212F)