1. Purchase number: YFCG200903040;
2. Entrusted unit: Nan'an Productivity Promotion Center (Contact: Mr. Wang; Tel: (0595) 86310789);
3. Entrusted unit address: Nan'an City;
4. Purchasing project: LED night scene lighting engineering equipment;
5. Procurement method: open tendering;
6. Bidder qualification:
6.1 An independent corporate legal person with the right to operate the purchased goods.
6.2 The company must have perfect after-sales service capabilities;
6.3 Ability to independently assume civil liability;
6.4 has a good business reputation and a sound financial accounting system;
6.5 Have the equipment and professional technical capabilities necessary to perform the contract;
6.6 Have a good record of paying taxes and social security funds in accordance with the law;
6.7 Within three years prior to participating in government procurement activities, there were no major illegal records in business activities;
6.8 Other conditions stipulated by laws and administrative regulations.
7. Time for receiving procurement documents: Suppliers who meet the registration conditions from now on can contact the procurement documents of the company. Each purchase document is priced at 100 yuan. If mailing is required, an additional 30 yuan express delivery fee should be added.
8. Deadline for submitting bid documents: At 15:00 on May 4, 2009 (Beijing time), the bid documents not meeting the requirements of the Procurement Documents or being overdue will not be accepted;
9. Bid Opening Time: 15:00 on May 4, 2009 (Beijing time);
10. Bid Opening Location: Quanzhou Yunfeng Tendering Co., Ltd. Bid Opening Hall;
11. For any inquiries about this bidding, please contact Quanzhou Yunfeng Tendering Co., Ltd. within 5 days before the deadline for opening the bid.
Bank: Industrial Bank Quanzhou Branch Business Department Account Payee: Quanzhou Yunfeng Tendering Co., Ltd. Company Name: Quanzhou Yunfeng Tendering Co., Ltd. Contact: Miss You, Mr. Liao Tel: 0595-22988718, 22195078 E-mail: Fax : 0595-22195078 Postal code: 362000 Address: 2nd Floor, No. 178, South Section of Wenling Road, Quanzhou District, Fujian Province
Optical time-domain reflectometer (English name: optical time-domain reflectometer, OTDR) is an instrument that understands the uniformity, defect, fracture, and coupling of the optical fiber through the analysis of the measurement curve. It is made according to the principle of light backscattering and Fresnel reverse. It uses the backscattered light generated when light propagates in the optical fiber to obtain attenuation information. It can be used to measure optical fiber attenuation, connector loss, fiber fault location and understanding The loss distribution of the optical fiber along the length, etc., is an indispensable tool in the construction, maintenance and monitoring of the optical cable.
The optical time domain reflectometer will inject a series of optical bursts into the optical fiber for inspection. The method of inspection is to receive the optical signal from the same side of the incident wave, because the incident signal will be scattered and reflected back when it encounters a medium with a different refractive index. The intensity of the reflected light signal will be measured and is a function of time, so it can be converted into the length of the optical fiber.
The optical time domain reflectometer can be used to measure the length and attenuation of the optical fiber, including the fusion splice and transition of the optical fiber. It can also be used to measure the interruption point when the fiber is broken.
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