{"id":1490,"date":"2026-07-05T14:51:16","date_gmt":"2026-07-05T14:51:16","guid":{"rendered":"https:\/\/sh-jycable.com\/?post_type=product&#038;p=1490"},"modified":"2026-07-22T02:07:41","modified_gmt":"2026-07-22T02:07:41","slug":"double-waterproof-sheath-cable","status":"publish","type":"product","link":"https:\/\/sh-jycable.com\/de\/produkt\/double-waterproof-sheath-cable\/","title":{"rendered":"Kabel mit doppelter wasserdichter Ummantelung"},"content":{"rendered":"<p class=\"ds-markdown-paragraph\">An underwater cable is a critical link in the sonar system, directly impacting the system&#8217;s maximum range, resolution, and data fidelity. It is an electro-mechanical assembly that must perform two primary functions simultaneously: efficiently deliver high-power electrical energy and faithfully transmit low-power returning signals, all while enduring a harsh marine environment.<\/p>\n<p class=\"ds-markdown-paragraph\">1. \uff08Core Functions &amp; Electrical Requirements\uff09<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Transmit Path (High Power):\u00a0The cable must carry high-voltage, high-current electrical pulses from the sonar transmitter on the vessel to the transducer (the &#8220;speaker&#8221; that generates sound waves) with minimal power loss.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Receive Path (High Sensitivity):\u00a0After the sound wave echoes off an object, the transducer (now acting as a &#8220;microphone&#8221;) generates an extremely faint electrical signal. The cable must transmit this weak signal back to the surface receiver with absolute minimal degradation, attenuation, or introduction of noise.<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\">2. \uff08Key Design &amp; Construction\uff09<\/p>\n<p class=\"ds-markdown-paragraph\">To meet these demanding requirements, sonar cables feature a sophisticated construction:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Center Conductor:\u00a0A high-purity copper conductor is used for its excellent electrical conductivity.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Dielectric Insulation:\u00a0A high-quality dielectric material (e.g., foam polyethylene) surrounds the center conductor. This material is chosen for its stable\u00a0characteristic impedance\u00a0(usually 50\u03a9 or 75\u03a9) and low\u00a0signal attenuation\u00a0(loss) per meter.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Shielding:\u00a0This is arguably the most critical element. Multiple layers of shielding are common:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Braid Shield:\u00a0A high-coverage (often &gt;95%) tinned copper braid provides excellent protection against electromagnetic interference (EMI) and serves as the return path for the electrical current.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Foil Shield:\u00a0An underlying aluminum-polyester foil tape provides 100% coverage against high-frequency noise.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Strength Member:\u00a0For towed arrays or deep-water applications, the cable incorporates a central strength member made of\u00a0aramid fiber (e.g., Kevlar\u00ae)\u00a0or steel wire to handle the towing tension and the weight of the array.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Jacket:\u00a0The outer jacket is made from tough, abrasion-resistant materials like\u00a0polyurethane (PUR)\u00a0or\u00a0PVC, resistant to seawater, sunlight, and chemicals. It is often brightly colored (e.g., orange) for high visibility.<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\">3. \uff08Types of Sonar Cables\uff09<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Coaxial Sonar Cable:\u00a0A single coaxial core for simpler systems. May be bundled with strength members within an overall jacket.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hybrid Sonar Cable:\u00a0Incorporates multiple coaxial elements for multi-beam sonars, along with separate twisted pairs for powering auxiliary sensors and data communication, all integrated around a central strength member.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Towed Array Cable:\u00a0Specifically designed for towing behind a vessel, featuring streamlined hydrodynamic characteristics, high tensile strength, and sometimes built-in stress relief.<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\">4. \uff08Applications\uff09<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Naval and Defense Sonar Systems<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hydrographic Survey and Seabed Mapping<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Fisheries Research<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Offshore Oil &amp; Gas Exploration (seismic surveys)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Underwater Search and Recovery Operations<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Scientific Research Vessels<\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Kabel mit doppelter wasserdichter Ummantelung<\/p>","protected":false},"featured_media":1690,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[25],"product_tag":[],"class_list":["post-1490","product","type-product","status-publish","has-post-thumbnail","product_cat-underwater-hybrid-cable","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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