Ecrã de sinalização digital Samsung OH55A-S 139,7 cm (55 polegadas) VA 3500 cd/m² Full HD preto Tizen 5.0 24/7

The Samsung OH55A-S is a 55" digital signage flat panel with VA technology and Full HD resolution (1920 x 1080). With a peak brightness of 3500 cd/m² and a typical contrast ratio of 6000:1, the display is designed for continuous 24/7 operation and runs on the Tizen 5.0 platform. Its black housing, narrow bezel and robust IK10 and IP56 classifications make it suitable for demanding indoor and semi-protected outdoor signage installations.

Advantages

The panel offers high brightness for visibility in bright environments, a wide 178° viewing angle horizontally and vertically, and a 120 Hz refresh rate for smoother motion. Built-in internal player and multiple connectivity options — including HDMI, USB, audio (3.5 mm), RS-232C and Ethernet (RJ-45) — enable flexible content playback and remote management. The unit supports continuous operation, has a durable construction (IK10) and a protective ingress rating (IP56).

Suitable for

• Retail displays and in-store advertising
• Transit hubs and public information boards in semi-protected locations
• Corporate lobbies and meeting area signage
• Menu boards and promotional screens

Key specifications

• Display size: 55" (diagonal)
• Resolution: 1920 x 1080 (Full HD)
• Display technology: VA
• Refresh rate: 120 Hz
• Brightness: 3500 cd/m²
• Contrast ratio (typical): 6000:1
• Pixel pitch: 0.630 x 0.630 mm
• Viewing angles: 178° vertical / 178° horizontal
• Response time: 6 ms
• Operation: 24/7
• Power consumption (active): 274 W; standby: 0.5 W
• Dimensions (W x D x H): 1260.6 x 85 x 731.4 mm
• Weight: 46.1 kg
• Bezel width: 24.9 mm
• Pivot: yes
• Touch: no
• Internal player: yes
• Speakers: none built-in
• Ingress protection: IP56
• Impact protection: IK10

How to use

Install the display using compatible VESA mounting hardware at a suitable location with adequate protection from direct weather exposure to meet the IP56 rating. Connect content sources and network using HDMI, USB or Ethernet; RS-232C and audio (3.5 mm) are available for legacy control and audio output. Configure content playback and scheduling through the built-in player and Tizen 5.0 management interface. Ensure proper ventilation and stable power supply for continuous 24/7 operation.

Recommendations

For reliable long-term operation, mount the panel in a semi-protected location, keep ventilation clear of dust, use surge protection on the power supply, and manage content via the internal player or a compatible content management system to avoid unnecessary power cycles.