Dsjnf 7mm Ceramic Sleeve Ceramic Core for Most Optical Fiber Cable Testers and Red Light Pens Essential Accessories for Optical Fiber Testing and Maintenance 30pcs

아마존 달러(USD) 가격을 각 날짜의 환율로 원화 환산해 표시합니다. 현재 환율 $1 = ₩1,463 (2026-07-26 기준)

상품 특징

• These ceramic cores are made of high-quality ceramic materials, which are very rugged and not easy to break. They can ensure a longer service life, thereby maintaining stable performance during the operation of optical fibers.
• By improving the design and structure, the installation of optical fiber ceramic sleeves is simpler than the traditional solution. This simplifies the replacement process and reduces the risk of damage or improper connection.
• These optical fiber pen ceramic cores are designed for a wide range of applications. They are suitable for most optical fiber cable testers and red light pens, and are essential accessories for optical fiber testing and maintenance.
• Loosen the metal head, remove the ceramic core with tweezers, gently insert the new 7mm ceramic sleeve by hand, and then install the metal head.
• When the visual fault locator is inserted into the optical fiber and no light source can be seen at the other end of the optical fiber, it indicates that the ceramic ferrule of the optical fiber has worn out and needs to be replaced.

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