Title: LED outdoor single red display purchase announcement
Tender No.: 漯财采问å—[2009]048å·
Announcement date: March 12, 2009
Deadline: March 16, 2009
Tendering agency:
Provinces and cities: Henan Province - Luohe City
Content: LED outdoor single red display technical requirements:
1. LED lamp specification (AXT, USA): 壹 sleeve (net display area is 7.94m2)
Luminous tube average brightness level / vertical angle center wavelength test conditions
1R (single red) 800-1000mcd level 110o / vertical 60o625nm 25 ° C, 20mA
2, module specifications
No project parameters / specifications
1 physical point spacing 10mm
2 density 10000 points / m2
3 luminous point color red
4LED specification 1R
5 module size 320mm*160mm
6 module resolution 32 points * 16 points
7 drive voltage DC5V
8 module rated power 45W
3, screen specifications
No project technical parameters
1 screen pixel total horizontal 992 points × vertical 80 points = 79360 points
2 screen display area 9.92 meters × 0.80 meters = 7.94m2
3LED drive / scanning mode dynamic constant current, 1/4 scan
4 best line of sight 5M-200M
5 brightness ≥ 3500cd
6 viewing angle level 110o / vertical 60o
7 frame change frequency 60HZ
8 maintenance before maintenance
9 switching power supply
10 refresh rate ≥300HZ
11 maximum power consumption 600W/m2
12 average power consumption 300W/m2
13 screen life ≥ 100,000 hours
14 blind spot rate <1/10000 (discrete distribution)
15 working environment temperature -20 ° C ~ 50 ° C
16 input working voltage AC220V/380V±10%, 50Hz (three-phase five-wire system)
17 screen weight ≤ 40kg / m2
18 mean time between failures ≥ 5000 hours
19 electric strength 50HZ/1500V (AC RMS) / 1min
20 pairs of ground leakage current < 3mA
21 control mode offline control
22 interface RS232 or RS485
23 software LED graphic editing system protection grade IP65 full waterproof box, moisture, dust, anti-corrosion, anti-static
1, basic functions:
A. Text function: It can display various laws and regulations, notices, announcements and publicity slogans, and real-time dynamic playback of office information.
B. Time display function: The analog dial can be displayed.
C. Broadcast mode: Static dynamic can be set arbitrarily, which can realize picture advance, retreat, up, down, left, right, pull and close. Such as flash screen, continuous broadcast, pull screen, rotation, louver, fan sweep, radiation, raindrops, circumference, prism, gradient, connection effect and other broadcast methods.
D. Task window: It can realize multi-task window display at the same time, independent operation and no interference.
E. Single-screen segmentation: It is possible to divide the screens on demand for each single screen, and each divided screen displays different contents.
F, power remote control: remote control switch LED display through software.
G. The display can realize network information release, and the network communication mode adopts TCP/IP mode.
H. Manual or automatic stepless adjustment of screen brightness
Equipment installation and commissioning
The winning bidder is responsible for the required cables and connectors provided by the winning bidder. At the same time, the bidder must ensure that the equipment hardware provided is guaranteed to be a brand new product and promises to freely upgrade the equipment software regularly.
After-sales service (1) The warranty period of the product is three years. From the date of final inspection, the winning bidder shall provide all free maintenance services (including replacement of spare parts). Lifetime maintenance after the expiration of the warranty period. After receiving the fault report, it can arrive within 12 hours, and can provide good technical support and preferential supply of spare parts for a long time. (2) If the demand side proposes to improve the system playback software requirements, it will be improved free of charge, and the playback software will be upgraded free of charge for life. (3) If the equipment quality needs to be repaired or replaced, the winning bidder must be repaired and replaced within two working days. (4) If it cannot be repaired after more than two working days, it must provide a substitute that is at least not lower than the performance requirements of the original equipment. (5) All equipment must be implemented in accordance with national regulations. (6) According to the use of the equipment, both the supplier and the buyer can adjust the installation position and related parameters of the equipment through consultation to ensure the best operation of the equipment. (7) During the warranty period, the winning bidder shall provide the second annual inspection service free of charge, and provide the inspection report and inspection record to the demander within 10 days after the inspection.
Company Name: Luohe City Government Procurement Center Contact: Ms. Li
contact number
2835 240 Led Single Color,Single Color Pixel Led Light,Single Red Led ,Single Colour Led
NINGBO SENTU ART AND CRAFT CO.,LTD. , https://www.lightworld-sentu.com