
1、 Screen body:
1. The screen body is assembled with 50 * 80 aluminum alloy;
2. The skeleton is reinforced with 25 * 38 stainless steel and fixed with double headed gong bolts, which can be adjusted back and forth.
2、 Panel:
1. The panel is assembled using 25mm × 25mm modules;
2. The module material is made of imported raw material ABS (or PPO flame retardant) injection molding, which has the characteristics of 10 years of color retention, anti-static, etc;
3. The flatness tolerance value of a single module is ≤ 0.1mm;
4. The gap between adjacent modules is ≤ 0.1mm;
5. The flatness tolerance value of adjacent modules is ≤ 0.2mm;
6. The module color adopts international gray (or user provided color) that is uniform and consistent, without reflection or scratches;
7. The flame retardant oxygen index is ≥ 27;
8. The graphic symbols are printed using high-precision color printing and carving techniques;
3、 Display original document:
1. Lighting:
(1) The switch knife switch is displayed with dual color lights, with two states of red and green;
(2) Light display lifespan ≥ 20000 hours;
(3) Rated voltage DC 24V (or 12V);
(4) Uniform brightness ≥ 80cdm2;
(5) All experiments conducted before leaving the factory exceeded 72 hours and met the technical requirements.
2. Safe operation:
(1) Light display lifespan ≥ 20000 hours;
(2) Rated voltage DC 220V;
(3) Uniform brightness ≥ 80cdm2;
(4) The perpetual calendar automatically restores power-off memory.
(5) Function: When the switch light is operated, it turns into a red light and is divided into green lights;