截面圖 Section | 型號 Model | 規(guī)格 Specificationn/φmm | 單芯導(dǎo)體截面積 EachCrossec Areaφmm2 | 20℃時導(dǎo)體最大直流電阻 Conductor'sMaxDC Resistanceat20℃ Q/km | 70℃時最小絕緣電阻 MinimumInsulating Resistanceat70℃M Q/km | 屏蔽密度 Shield Density % | 標(biāo)稱外徑 Nom.0.Dφmm |
| DMDF220 | 2×28/0.10+64/0.10銅絲繞包 | 0.22 | 92.3 | 0.015 | >90 | 4.3 |
DMD220 | 2x(26/0.10+2/0.10A)+84/0.10 銅絲繞包 | 0.22 | 92.3 | 0.015 | >90 | 6.0 | |
DMD220 雙棉紗 | 2x28/0.10+78/0.10銅絲繞包+棉紗繞包 | 0.22 | 92.3 | 0.015 | >90 | 6.5 | |
DMD310 | 2x(37/0.10+3/0.10A)+96/0.10 銅絲繞包 | 0.31 | 69.2 | 0.014 | >90 | 6.3 | |
DMD380 | 2x(45/0.10+3/0.10A)+112/0.10 銅絲繞包 | 0.38 | 55.0 | 0.013 | >90 | 6.5 | |
DMD500 | 2x(28/0.15+3/0.10A)+128/0.10 銅絲繞包 | 0.50 | 39.0 | 0.012 | >90 | 7.0 |
●線芯導(dǎo)體為4N無氧銅絞束而成，抗氧化，訊號導(dǎo)通率高，衰減小。
●此型號為麥克風(fēng)電纜的標(biāo)準(zhǔn)形式。此型號線適用傳輸?shù)皖l小信號用線連接，俗稱話筒線，纏繞屏蔽相對編織屏蔽更為柔軟，外護(hù)套為彈性體聚氯乙烯，手感
柔軟，色彩鮮艷，耐扭曲，不脆化。(低溫沖擊脆化溫度可達(dá)-30℃)
The Cable has stranded 4Noxygen-free copperas the core conductor,which resists oxidation,ensures high transmission rate and low attenuation.
Such cables are usedforthe transmission oflow frequency signals,when they are usuall called microphone cables.Spiral shield is even softr than braid shield, The elastic protectivejackets are made o olyinylchioridein bright colors which are soft,distortion endure,and hard to go britte.(britletemperature:-30℃
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