0420 Supply Anhui Hefei LED screen module wholesale [Recommended quotation, manufacturer, maintenance, wholesale]

0420 Supply Anhui Hefei LED screen module wholesale [Recommended quotation, manufacturer, maintenance, wholesale]

External LED display screens are used in outdoor environments, with high brightness, long color mixing distance, high protection level, strong waterproof and UV resistance, suitable for long-distance viewing.

Refresh frequency: ≥ 480Hz (optional, under hardware support conditions)

Grayscale/Color: 16K, 4K (optional)/Display 16.7M color

Brightness adjustment method: software adjustable up to 100 levels.

Realistic and clear colors, continuous video images, stable and flicker free images, and good uniformity of color brightness

Display screen: viewing angle: horizontal 140 °/vertical 140 ° Storage temperature: -40 ℃~+85 ℃

Working temperature: -20 ℃~+60 ℃/relative humidity: 10%~95%

Weight: ≤ 30kg/m2

5. Power supply: Working voltage: 380V ± 10%

Average power consumption: 300-600W/㎡/Maximum power consumption: 1000W/㎡

Power supply: PLC programmable distribution cabinet with lightning protection system, smoke alarm, remote control, timed switch, etc.

Switching power supply: A switching power supply with PFC function must be selected to ensure a power factor of ≥ 0.95

6. Other technical requirements:

① Driver component: constant current (current gain)

Frame rate: ≥ 120Hz

Brightness: ≥ 2000cd/m2

Video signals: RF, S-Video, RGB, RGBHV, YUV, YC, COMPOSITION, etc

Mean time between failures: ≥ 10000 hours/lifespan: 100000 hours

Flatness: between any adjacent pixels ≤ 0.5mm/display module splicing gap ＜ 0.5mm

Uniformity: pixel light intensity and display module brightness are uniform

Blind spot rate:<0.0001

Scanning method: 1/8 scan

Switching power supply load: 5V/40A, 5V/60A

Computer display mode: 1024 × 768

Effective communication distance: Ethernet cable 100m (without relay), multimode fiber 500m, single-mode fiber 20km

② The working environment of the display screen requires indoor protection, including dust, insect, corrosion, static electricity, high temperature, electromagnetic interference, earthquake resistance, as well as overcurrent, open circuit, short circuit, overvoltage, undervoltage protection, and other functions.

③信号： RF，S-VIDEO，RGB，RGBHV，VGA，SVGA，