PHT-550DG 4K Marine Monitor

The full glass PHT DG series are intended to be pedestal mounted, but it can also be semi-flush desk mounted. With a variety of options a perfect configuration can be made for any indoor application. Popular options such as touch screen, deep dimming (to black), optical bonding and NCOM serial control make this monitor the best of its kind.

The PHT-550DG 4K marine monitor supports sunlight-readable viewing for vessels that need high-resolution bridge or deck display performance.

Features

55-inch 4K UHD (3840×2160) display, 16:9, 89° viewing angle, 4000:1 contrast, 500 cd/m² brightness (high bright option)
Inputs: HDMI x2, DisplayPort x2, DVI-D, VGA, CVBS (BNC), optional NCOM serial control
Pedestal or semi-flush desk mount, 1289x760x67 mm, 55 kg
Power: 12V/24V DC, max 120 W
Optional features: touchscreen, deep dimming, optical bonding
Designed for marine, military, and industrial use

Manuals

PHT-550 DG _ DNV Manual

More Marine Display Products

Discover our comprehensive range of marine display products, engineered for optimal performance and reliability in maritime environments.

Industrial Marine Series

The Seatronx IND Series – Unmatched Picture Quality with a Ruggedized Look at an Outstanding Price. Extreme environments demand ruggedized dependability. With the IND commercial marine display you’re in complete…Explore Product

Matrix Switching Command Center

NEW! Eliminate the need for complicated video matrix switchers and take complete control of your bridge or command center with the new Seatronx Command Control system. This system is engineered…Explore Product

ECDIS/ECS Commercial Displays

The CD Series displays are designed to meet International Maritime Organizations (IMO) compliance regulations for Electronic Chart and Information Systems(ECDIS)…Explore Product

Latest blogs and articles.

Check out some of the recent blogs from the experts at Seatronx

Boat helm with multiple displays and a steering wheel in a wood-trimmed console

5 Marine Electronics Trends to Watch in 2027

Marine electronics are changing the way vessels operate, from how crews navigate to how they monitor onboard systems. As 2027 approaches, shipbuilders, fleet operators, and

A black camera monitor with a row of control buttons, mounted on a ball-joint bracket beside a dark metal frame. Its screen shows a bright, washed-out view of warehouse shelving.

Wired or Wireless Backup Camera for a Truck: What to Check

For a truck that keeps one trailer and one cab on the same routes, wire the camera. Power and video travel on cable, so as

A person in a camouflage uniform and headset points at a monitor in a room with several screens, a laptop and a handheld radio on the desk.

Before You Order a Rugged Monitor, Confirm What TAA Compliant Covers

A Trade Agreements Act (TAA) compliant claim points to a test in the Federal Acquisition Regulation’s Trade Agreements clause: whether the monitor is a U.S.-made

Marine Electronics News

Stay informed with the latest updates and news.
From industry insights to trending topics, get all the information you need to stay ahead and in the know.

PHT-550DG Marine Applications

The PHT-550DG 4K marine monitor is for high-resolution bridge and workstation installs where the full-glass display format, pedestal mounting, and semi-flush mounting options are central to the decision. It is a model-specific page for teams narrowing a display purchase.

This page is separate from the PHT-SRT series page because it focuses on one 4K marine monitor and the configuration choices around that model.