Melton optoelectronics co., LTD
High Quality Lifetime Service
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Product description
1,All die-cast aluminum housing uses 500*500mm,precision seamless,slim and lightweight;
wrench between the box by latching type connection,easy installation and removal.
2,SMD-black light,large viewing angle,high contrast,soft image;automatic fanless cooling desgin,
good heat dissipation,zero noise.
P4.81 parameter
| Unit Module | Item | Parameter |
| Model Number | P4.81-13S | |
| Module size | 250mm*250mm | |
| Pixel pitch | 4.81mm | |
| Pixels Density | 43264dots/m2 | |
| Pixel configuration | 1R1G1B | |
| LED Package mode | SMD2121 | |
| Pixel resolution | 52dots(W)*52 dots(H) | |
| Max Power | 32W | |
| Module thickness | 14.66mm(exclude magnet) | |
| 26.55mm(Include magnet) | ||
| Weight | 0.575kg | |
| Drive type | Constant drive | |
| Scan mode | 1/13scan | |
| Port type | HUB75-A | |
| Brightness of white balance | ≥1200cd/m2 |
|
LED Cabinet | Dimension | 500mm*500mm |
| Monomer Module Number | 4 | |
| Power supply | 5V/40A*1pcs | |
| Thermal discharge | fan 1pcs | |
| Pixel per cabinet | 104*104 | |
| Best viewing distance | 5M～20M | |
| Best viewing angle | 160°(W) 120°(H) | |
| Temperature | storage:-35℃～+85℃ working:-20℃～+50℃ | |
| Relative humidity | 10%-95% | |
| Thickness | 65mm |
|
Power | Working voltage | AC110～220V±10% |
| Average Power consumption | 168W/㎡ | |
| Max.Power consumption | ≤560W/㎡ | |
| Current | ≤20mA(single LED) | |
|
Control system | CPU | Pentium4 or above P4 |
| Operation system | WIN98/2000/NT/XP/WIN7 | |
| Control method | Synchronization | |
|
Main technical parameter | Driving device | Constant drive IC |
| Refresh frequency | ≥1200HZ | |
| Grey scale/colors | 4096 16.7M 4096gray level/16.7M colors | |
| MTBF | ≥9000hours | |
| Power switch | Automatic switch | |
| Display Mode | ≥800*600/1024*768 |
Packaging and shipping
1.Carton box:It is the cheapest packing method for the led display,which is mainly for the small screen
and short shipping distance.
2.Wooden case: wooden case packing is the only way and the best way for packing since the low cost
and same safety level for one timeusing.
3.Flight case: has wheels and handles which is for the rental use led display, to make the transportation
be very convenient and protect the led display better
FAQ
1,How to be our distributor
To be our distributor, We can share our profit together with you in every year, Also we can send our
engineer or sales to your company to support your business, also for led screen after-service,
We will together with you to the after-service in the whole led screen life time
2, What is our warranty
Our warranty from 5 year to 1 years basis on different type led screen, In usually every screen we will
ready more extra led screen modules as spare modules, if some modules happen fails, you can replace
the fail modules by our spare modules, When all the spare modules use out, You can send back these
modules to us for repair, and we will send to you after repair and testing&aging well
3,How to maintence led screen
In usually every year to maintence led screen one time, Clear the led mask, checking the cables connection,
if any led screen modules fail, You can replace it with our spare modules