Outdoor Ultra High Definition Small Pitch LED Screen-DUNHUA

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Product Description

Outdoor Ultra HD Small Pitch Display Screen

P2.5 / P2.94 / P3.0 / P3.125 / P3.3 / P4.0
Pixel Pitch: 2.5mm / 2.94mm / 3.0mm / 4.0mm
Cabinet Material: Die-cast Aluminum

Product Advantages

High Refresh Rate: Broadcast-level display, no water ripple during shooting;

High Grayscale: Vivid display effect, true colors, high restoration;

High Contrast: Mask design, black body SMD, matte surface, ultra-wide viewing angle, excellent display effect;

High Uniformity of Brightness and Color: Uses high-quality selected same batch light-emitting devices to ensure high consistency of display;

Seamless Splicing: Precise processing, error less than 0.1MM, excellent appearance of the screen;

Simple and Quick Installation and Maintenance: Convenient magnetic front maintenance installation method and lighter screen weight;

Low Power Consumption, Energy Saving, Flexible Splicing and Combination, Customizable Any Size Shape and Irregular Splicing Units;

Specifications

Product Model	DHT-LED-P2.5	DHT-LED-P2.94	DHT-LED-P3	DHT-LED-P3.125	DHT-LED-P3.3	DHT-LED-P3.84	DHT-LED-P4
Pixel Pitch (mm)	2.5	2.94	3	3.125	3.3	3.84	4
Module Size (mm)	200mm*200	200mm*200	192mm*192	200mm*200	200mm*200	200mm*200	256mm*128
Module Pixels	80 dots * 80 dots	68 dots * 68 dots	64 dots * 64 dots	64 dots * 64 dots	60 dots * 60 dots	52 dots * 52 dots	64 dots * 32 dots
White Balance Brightness	7500cd/m²	7500cd/m²	6000cd/m²	7500cd/m²	7500cd/m²	7500cd/m²	6000cd/m²
Protection Level	Front IP65
Pixel Composition	1Pure Red 1, Pure Green 1, Pure Blue
Wavelength Error Range	≤5 nm
Pixel Viewing Angle	Horizontal:+140°-140° Vertical: +140°-140°
Pixel Lifespan	>100000Hours
Brightness Uniformity	≥99%
Color Uniformity	±0.001Cx, Cy within
Brightness Calibration	Supports single-point brightness calibration
Contrast	10000:1
Color Temperature	2000K-10000K adjustable
Grayscale Level	16Bit
Frame Rate	60Hz
Refresh Rate	1920～3840Hz
Pixel Failure Rate	<1/1000000, no continuous failure points
Splicing Seam	Cabinet seam ≤0.05mm
Assembly Process Requirements	Pixel pitch error <0.3mm, module flatness <0.05mm
Grounding	Should have a protective grounding terminal, grounding resistance not greater than 0.1Ω
Safety Marking	The protective grounding terminal should be marked, warning signs should be present at the fuse and power supply, after marking durability tests, the markings should be firm and clearly distinguishable.
Power Supply Average Efficiency	The power factor of the LED display power supply is not less than 95%, conversion efficiency not less than 90%.
Brightness Adjustment	Has the function of automatic brightness adjustment according to environmental illumination changes, supports manual, automatic, and programmable adjustment (0-100% adjustable), and brightness adjusted to 600cd/m²and below, without obvious grayscale loss.
Multilayer Printed Circuit	Multilayer printed circuit board, PCB surface gold-plated treatment process.
Energy-saving Method	Uses common cathode energy-saving technology.
Energy-saving Effect	Reaches Level 1 energy efficiency standard.
Data Storage	Supports storage and retrieval of module-level brightness and chromaticity calibration data.
Installation Method	Supports front installation, rear installation, wall-mounted installation, hanging installation, and other types of installation applications.
Protection Function	Features such as salt fog resistance, static electricity prevention, flame retardant fire prevention, electromagnetic interference protection, lightning strike resistance, insect resistance, and wind protection.
Smart Monitoring	Supports automated content review and monitoring, reducing public playback accidents.
Screen Functionality	Features such as monitoring, early warning, cooling, and power failure protection.
Fault Detection Function	Can monitor the working status of the display in real-time, with automatic fault alarm functionality.
Continuous Working Time	7*24 hours
Safety Features	Complies with GB 4943.1, IEC 60950-1, EN60950-1 and other requirements.
Fire Retardant	Tested according to BS476-7 fire retardant standards, the mask's fire retardant level meets HB level standards, and the PCB's fire retardant level meets V-0 level standards.
Blue Light Testing	The spectral radiance of the LED light source and the energy after weighting the blue light hazard function (blue light weighted radiance LB) does not exceed 100W.m-2.sr-1, preventing long-term retinal photochemical damage from blue light radiation.
Ground Leakage Current	The ground leakage current should not exceed 1mA/m.²(Effective Value)
Dielectric Strength	A test voltage of 1500V (effective value) at 50Hz sine wave should be applied between the AC power input and the metal outer frame or accessible metal parts (connected to protective ground) for 1 minute, during which no insulation breakdown or arc phenomenon should occur.
High Temperature and Humidity Operation	Supports operation at 50℃, 90% RH for 8 hours, then returns to normal temperature. The appearance, structure, and functionality of the tested sample should be normal during and after the experiment.
Low Temperature Operation	Supports operation at -45℃ for 8 hours, then returns to normal temperature. The appearance, structure, and functionality of the tested sample should be normal during and after the experiment.

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