Bengbu Yuhui District LED display inquiry

(item number: HW-2009-010)

Yuhui district government procurement center commissioned by the asset management company Huaxing Yuhui District, is shopping for the following goods, welcome to meet the eligibility requirements of a supplier shall not change the quoted price and service commitment according to the requirements of inquiry, and prior to April 6, 2009 15 will offer a "letter" sealed by Bengbu City Yuhui district the government procurement center.

1, please quote mark for the goods detailed specifications, and in accordance with the standard configuration, configuration and quotation. This offer must be the final transaction price, the total price of the goods should include all costs before delivery: that the total required duties, agency fees, transportation, installation, commissioning, training, technical services, essential components, including all import accessories.

2, provide the goods shall be new and unused original qualified genuine warranty, if there is no clear requirements should not be less than the original manufacturer's commitment to provide more quality services can be provided in the service commitment, the commitment will be defined as the transaction reference (the best technology support and customer service of quotations).

3, suppliers should be an independent legal entity, the quotation shall be attached to the business license, tax registration certificate copy (the original reference) and bank account, to participate in social security certificate and other relevant qualification certificates, to participate in government procurement of products winning performance priority.

Delivery date: the signing of the contract within 5 days of delivery.

Tel: 0552-4019769

Of technical parameters

Bengbu Yuhui district government procurement center

March 31, 2009

LED-display.cnLEDw.com/ ">LED display technical parameters, performance indicators and related requirements

, scanning equipment and use instructions

Indoor electronic display for text and table display, easy operation and communication.

Two, technical requirements and parameters

1 requirements of hardware and software technology in line with national and industry standards (Department of Electronics

"SJ/T11141-2003");

, 2 kinds of colors: double colors;

, 3 pixel pitch: 4.75 mm;

, 4 pixel diameter: 3.75 mm;

, 5 control modes: LAN control;

, 6 screen size: (7.73 meters (long) x 1.17 m (high))

, 7 light evenly: no flicker phenomenon

, 8 screen update: 120 frames / sec;

9, the entire screen structure is smooth, the flatness of less than 1 mm;

10, the signal transmission distance is less than or equal to 100 mm (five wire transmission);

11, vertical angle: 160 degrees;

, 12 screen frame: steel structure, welding without wrapping matte stainless steel

13, the use of the environment: Indoor

14, die: CREE

Three, customer service service requirements

, 1 people should offer promise to provide two years of free warranty for product quotation, free maintenance period to provide life-long maintenance services to the most preferential price, service level and free maintenance period of the same;

2, bidder shall ensure to provide technical support to the use of customer service, professional service agencies shall have the qualification of independent legal person, arrived at the scene 24 hours to do timely troubleshooting;

, 3 people to make the necessary commitment to offer free on-site technical training for staff use, to ensure the use of personnel can be used independently of the equipment, complete the daily operation and maintenance.

Four, acceptance and training

(1) acceptance requirements

1, LED display LED display hardware environment; the hardware part includes the control part, communication part and display part.

, 2 appearance: LED display no obvious scratch.

The accuracy of, 3 pixel center distance: pixel LED display center distance should be greater than fifteen percent.

, 4 roughness: LED display roughness should be less than 1 mm

, 5 safety requirements: LED display is defined by GB 4943 class I safety facilities.

6, grounding: LED display should have protective earthing terminal.

7, maximum brightness: LED display brightness should be consistent with the maximum brightness of phi 3.75 = 600cd/m2.

, 8 perspective: the vertical angle greater than 160 degrees.

, 9 power supply power supply: LED display 220V (1 + 10%), 50 Hz (1 + 5%); maximum area consumption of 400 watts / square meter LED display unit.

(two) the contents of the training included

Connection method computer and the display screen.

Display principle.

Common breakdown elimination method.

Display procedures.

Special software operation.