Screen Panel:

1. The screen body is assembled from 44*76 aluminum alloy panels.

2. The frame is constructed with 25*38 aluminum alloy connections, and the board is fastened to the frame using 50mm×8mm double-ended rivets, allowing for adjustable front and rear positioning.

Section 2: Panels

1. The panel is assembled from 25mm x 25mm modular tiles.

2. The modular materials are made from imported raw materials using ABS injection molding, featuring 10-year fade resistance and antistatic properties.

3. Individual module flatness tolerance is ≤0.1mm.

4. The gap between adjacent modules is ≤0.1mm.

5. Adjacent module flatness tolerance ≤ 0.2mm.

6. Module colors are in international gray (or as specified by the customer) and are uniform without any reflections or scratches.

7. Flame Retardant Oxygen Index ≥27

8. Graphics symbols are printed using screen printing and engraving techniques.

9. Wire symbol width: 6-9mm; circuit symbol width: 3-5mm.

10. Line width tolerance ≤ 0.05mm

11. The straightness of the lines within any 1000mm range is ≤ 2mm.

12. Large characters are in bold Song style, made of red acrylic.

3. Original Document Displayed:

Lighting:

The switch and circuit breaker are both indicated by bi-color lights, showing red and green states.

(2) LED display lifespan ≥ 20,000 hours

(3) Rated voltage DC 12V, with a tolerance of ±5%.

(4) Harmonic content < 5%

(5) Uniform Brightness ≥ 80 cdm²

(6) All pre-shipment tests exceed 72 hours and meet technical requirements.

2. Safe Operation:

(1) Display lifetime ≥ 20,000 hours

(2) Rated voltage DC 220V, with a permissible deviation of ±5%.

(3) Harmonic content < 5%

(4) Uniform brightness ≥ 80 cdm²

(5) Calendar automatically recovers memory after power failure.

Function: Lights switch to red during operation, to green when separated; Safe Operation: Self-adjustable from year/month/date to year/month/date, with automatic days and temperature for safe operation. Power failure has memory function.