Cables are widely used in security engineering. Whether it is CCTV television monitoring, entrance and exit control, or anti-theft alarm, fire alarm, public broadcasting, intelligent wiring, automatic remote meter reading and other systems are inseparable from the thread of the needle thread. If the security system is likened to the human body, then the wire and cable products used in the security system are like the blood vessels and meridians throughout the human body, and its importance is self-evident. Engineering maintenance experience proves that high-quality security cables are very important for ensuring project quality and extending project life. Therefore, users and contractors must pay special attention when selecting cables. In general, when choosing a security cable, consider the following five aspects:
I. Qualification of enterprises and product quality inspection certificate When a user or a project engineer purchases a security cable, the first thing to pay attention to is the enterprise and product qualification materials. It is necessary to understand the following types of qualification certificates of the manufacturer:
1. Business licenses, organization code certificates, tax registration certificates, etc. can all indicate the scale and strength of the production enterprise.
2. The national industrial product production license (wire and cable), CCC China National Compulsory Product Certification, the Ministry of Information Industry network access certificate, and ISO9001 certification are the necessary production and operating license qualifications and quality management standards for the production enterprise. Sign. Among them, in addition to the ISO9001 certificate, several other types of certificates are required, and on the contrary, they are illegally produced or operated.
3. The quality inspection report of the national authoritative department within the validity period can fully prove that the manufacturer has achieved the national standard for the manufacturing and quality control of the tested products.
4. Other certificates or documents, such as industry membership certificates, honorary certificates, certification certificates, patent certificates, etc., are powerful proofs of the manufacturer's user recognition, influence and overall strength in the industry.
Regular production companies rely on the comprehensive strength of the enterprise and have obtained various types of certifications from the country. The relevant qualifications are complete. Enterprises in the daily production process, product quality from time to time to accept the supervision of the national authorities, quality and service are guaranteed. At the same time, the qualifications of enterprises and products that are complete are also the conditions that must be met for security project acceptance.
Second, cost-effectiveness and service When the user purchases the security cable product, after understanding and carefully reviewing the relevant qualification certification materials of the production enterprise, the product performance and price, as well as the service and supply assurance capabilities must be integrated. Measured.
As an engineering company or a direct user, it is bound to hope to maximize the efficiency and value of the use of products at the most reasonable prices with almost the same quality of products. At present, all kinds of cables required for security system engineering, the mainstream security cable companies in the industry can generally be protected. Therefore, some users respected foreign brands one-sidedly, and the consumer concept of high-priced cable products was irrational. Similarly, blind pursuit of low prices and neglect of product quality are also undesirable. It should be fully realized that according to the laws of market economy, a reasonable price means reasonable quality assurance.
The homogeneity of products in the current market has become a development trend, and the price difference has become less and less obvious. It makes the service protection of products more and more important. The characteristics of the use of ancillary products require that the manufacturer provide full service, from the design of the system engineering plan to the site construction and acceptance of the project, from the normal operation of the guarantee system to the follow-up maintenance of the future, and the change of the design plan during the construction process. Individual changes and other changes require manufacturers not only to have corresponding technical forces, but also to respond quickly and improve the service guarantee system. Therefore, stable and reliable product performance, reasonable price and perfect and fast service guarantee are all important links for the purchase of security cable products.
Third, the manufacturer's site visit When the user purchases the cable product, it is also very important for the manufacturer's scale and the production base's field visit. There is a saying that goes well: "Hearing is imaginary, seeing is believing." The particularity of cable product performance determines the professionalism of cable detection methods. The average user is accustomed to determine the quality of cable from the appearance and feel, but its real technical performance and parameters must rely on professional cable testing equipment. Only then can it be achieved.
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