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CCTV Cable Ki Length Aur Video Quality: Kitni Door Tak Camera Theek Chalta Hai

"Camera 100 meter door lagana hai, chal jayega kya?" — ye sawaal har installer se poocha jata hai. Jawab ek number nahi hai, kyunki distance limit teen alag cheezon par depend karti hai: cable ki quality, camera ka type, aur power ka arrangement. Chaliye ise practical tareeke se samajhte hain.

Do Alag Problem Hoti Hain

Lambi run par do cheezein bigadti hain, aur dono ka ilaaj alag hai:

  • Video signal ka kamzor hona — picture dhundhli, dhaari (lines), ya rang ka bigadna
  • Power ka gir jana (voltage drop) — camera restart hona, raat mein band ho jana, ya chalu hi na hona

Zyadatar log sochte hain problem video ki hai. Practically, 90% cases mein problem power ki hoti hai — kyunki video signal kaafi door tak jhel leta hai, par voltage drop jaldi asar dikhata hai.

Voltage Drop — Asli Villain

Camera ko 12V DC chahiye hota hai. Cable ke resistance ki wajah se camera tak pahunchte-pahunchte voltage kam ho jata hai. Agar camera tak 12V ki jagah 9V pahunch raha hai, toh:

  • Din mein camera chal jayega (kam current chahiye)
  • Raat mein IR LED on honge, current demand badhegi, voltage aur girega — camera restart ya band

Yahi wajah hai ki "din mein theek hai, raat mein problem" wali shikayat itni common hai. Aur isiliye camera badalne se kuch nahi hota.

Voltage drop kam karne ke 4 tarike

  • Mota conductor use karo — gauge jitna mota, resistance utna kam
  • Pure copper lo, CCA nahi — aluminium ka resistance zyada hota hai
  • Spare wires parallel kar do — 4+1 cable mein do wire jod kar ek line banane se resistance aadha
  • Power camera ke paas se do — sabse bada fix; DVR se 90 meter power le jaane ke bajaye camera ke paas local supply lagao

Aakhri wala sabse asardaar hai. Agar camera ke paas power point mil jaye toh distance ki poori problem hi khatam ho jati hai — cable se sirf video aata hai.

Video Side Par Kya Hota Hai

Analog/HD analog cameras (AHD, HDCVI, TVI) coaxial par kaafi door tak signal bhej lete hain. Lekin jaise-jaise resolution badhti hai, distance ki tolerance kam hoti jati hai — 5MP camera utni door tak clean signal nahi bhejta jitna 2MP.

Kharab video ke lakshan:

  • Picture dhundhli ya soft
  • Screen par chalti hui dhaariyan (interference)
  • Rang ka bigadna ya black & white ho jana
  • Rukh-rukh kar signal aana

Ye aksar patle coaxial core, kam braiding, ya paas se guzarti hui power line ki wajah se hota hai.

Cable Ke Alawa 3 Cheezein Jo Distance Badhati Hain

  • Achhi braiding/shielding — power cables ke saath chalti hui CCTV cable mein noise aata hai; ghani braiding usse rokti hai
  • Joint kam se kam — har joint par loss aur nami ka risk; ek hi length mein le jana behtar
  • Power aur data ko alag rakhna — CCTV cable ko electrical wiring ke saath ek hi pipe mein daalne se disturbance aata hai

Agar Distance Bahut Zyada Hai

Ek limit ke baad coaxial par jaana samajhdari nahi rehta. Options:

  • IP camera + networking cable — CAT-6 par PoE ke saath, aur zyada door ke liye switch beech mein
  • Fiber optic + media converter — kilometres tak, koi voltage drop nahi, koi interference nahi
  • Local power + sirf video cable — sabse sasta fix agar power point available ho

Bade campus, factory ya warehouse projects mein fiber backbone aur uske aage local switching standard tarika ban chuka hai.

FAQ

Toh maximum kitne meter tak ja sakte hain?

Koi ek universal number nahi hai — camera ka model, resolution, cable ka gauge aur conductor material sab milkar ye tay karte hain. Practical tarika ye hai: site par ek test run kar ke dekho, aur design mein margin rakho. Jo setup exactly limit par kaam kar raha ho, wo garmi ya baarish mein fail hoga.

Kya cable badalne se purani problem theek ho jayegi?

Agar problem voltage drop ki hai toh haan — pure copper aur mota gauge lagane se aksar fix ho jata hai. Lekin pehle check kar lo ki camera par actual voltage kitna aa raha hai (multimeter se, raat ke waqt jab IR on ho). Isse pata chal jayega ki problem power ki hai ya video ki.

Power supply ki quality kitni matter karti hai?

Bahut. Kai baar cable theek hoti hai par SMPS hi kam current de raha hota hai, khaas kar jab ek supply par kai camera jud gaye hon. Cable badalne se pehle supply ka rating aur load check kar lena chahiye.

Bulk Requirement Hai?

M-Core Industries CCTV cables banata hai — alag-alag gauge aur constructions mein, poore India mein supply aur 27+ deshon mein export ke saath. Apni run length aur camera type batayein, hum sahi specification suggest kar denge. Yahan sampark karein.

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Frequently Asked Questions

What products does M Core manufacture?

M Core manufactures Optical Fiber Cables (OFC), CCTV cables, networking cables, and FRP rods for domestic and international markets.

Does M Core export cables internationally?

Yes, M Core exports its wire and cable products to more than 27 countries worldwide, serving distributors and businesses globally.

Where is the M Core manufacturing facility located?

M Core's manufacturing facility is located in Kundli, Sonipat, Haryana, India.

How can I request a product catalog or quote?

You can download our product catalogs directly from the e-catalogs page, or contact us through the contact page for a customised quote.