Cable tiv dej

Cov yam ntxwv ntawm cov khoom

1. Haum rau dej hiav txwv thiab dej qab zib;

2. Haum rau qhov tob ntawm 300 meters hauv qab dej;

3. Muaj peev xwm kho tau thiab txav tau rau kev teeb tsa thiab siv;

4. Muaj daim ntawv pov thawj patent rau cov xov hlau tiv thaiv dej hiav txwv;

Cov xov hlau tsis muaj dej muaj cov khoom tiv thaiv dej thiab tiv thaiv dej radial thiab longitudinal: lawv tuaj yeem ua haujlwm ib txwm nyob rau hauv qhov tob ntawm 0-300 meters;

Nws muaj cov khoom tshwj xeeb xws li tiv taus txias (-40 ℃ -80 ℃), tiv thaiv UV, yooj ywm, hnav tsis kam, lub zog tensile, thiab roj tsis kam;

Daim ntawv thov

cov khoom sib xyaw

1. Qhov DC tsis kam ntawm tus neeg xyuas kab hlau tiav lawm (Chav Kawm R) (raws li GB3956 cov cai) yuav tsum xa mus rau Appendix A Rooj 2;

2. Txais yuav cov khoom siv rwb thaiv tsev thiab cov ntaub ntawv tiv thaiv dej tshwj xeeb uas xa tawm los ntawm txawv teb chaws;

3. Kev tsim tshwj xeeb thiab cov txheej txheem tsim khoom;

4. Thaum 20 ℃, qhov rwb thaiv tsev yuav tsum tsis pub tsawg dua 50M Ω / KM;

5. Lub cable tiav lawm yuav tsum tiv taus qhov kev sim AC voltage ntawm 50Hz, 3.5 kV, thiab 5 feeb yam tsis muaj kev tawg.