FLIR MD-625 is an advanced fixed thermal camera combining 640×480 thermal imaging, compact installation, NTSC video output and seamless Furuno integration for reliable night navigation and forward thermal awareness. Read more.
The FLIR MD-625 Fixed View Thermal Camera is built for boat owners who want high-resolution thermal night vision in a compact, fixed-mount format, with simple integration potential for compatible Furuno helm display systems that support NTSC analog video input. It uses a 640 × 480 thermal sensor to reveal vessels, obstacles, markers and heat signatures in total darkness, glare and low-light conditions, helping the helm maintain a clearer view when normal vision becomes limited.
This is the strongest model in the FLIR MD Series. The MD-625 keeps the installation simple, with a compact fixed-view design and standard NTSC analog video output, while giving the user higher thermal resolution and longer-range detection than the MD-324.
The MD-625 NTSC can be selected in 9 Hz or 30 Hz, depending on the desired video refresh rate. Choose 9 Hz for reliable fixed thermal awareness, or 30 Hz for smoother movement on screen when navigating actively or monitoring moving targets.
Within the FLIR range, the MD-625 is positioned for compact high-resolution thermal vision, simple helm integration and fixed-view night awareness, including compatible Furuno display environments, without moving into a pan-and-tilt M-Series camera system.
The MD-625 gives the helm a dedicated thermal view in the direction where it is mounted. It is designed to help detect heat-emitting objects, vessels and obstacles when the eye cannot read the water clearly.
For compatible Furuno helm setups, the MD-625 can provide a fixed FLIR thermal video feed through a suitable display with NTSC analog video input, helping add night-vision awareness without changing to a larger pan-and-tilt camera platform.
For a closer look at FLIR’s compact fixed-mount thermal camera concept, you can watch this FLIR MD-Series video here:
The MD-625 is especially useful for:
Night navigation on recreational and light commercial vessels
Detecting vessels, markers and floating obstacles in darkness or glare
Adding a fixed forward thermal view to the helm
Supporting man-overboard awareness by detecting human heat signatures
Displaying thermal video on compatible Furuno marine monitors, chartplotters or display systems
Choosing a compact thermal system without the size, cost or complexity of larger M-Series cameras
The main advantage of the MD-625 is its 640 × 480 thermal resolution. This gives the camera stronger image definition than lower-resolution fixed thermal systems, making it easier to interpret objects, vessel shapes and obstacles in the thermal scene.
Its fixed-view format keeps the system clean and focused. Instead of pan-and-tilt control, the MD-625 gives the operator a constant thermal view from its mounted direction. For many boats, that makes sense as a forward-looking night vision camera installed near the helm line of sight.
This is a practical choice when the buyer wants thermal visibility, compact installation and high-resolution detection without stepping up to an active M-Series camera.
The MD-625 outputs standard NTSC analog video, making it easy to display the thermal image on many compatible marine monitors or chartplotter displays with the correct video input, including suitable Furuno display systems.
It also includes an Ethernet port for control of camera settings and the on-screen menu through compatible joystick or chartplotter setups. This is important because the MD-625 does not send IP video like newer network-based cameras. The video signal is analog, while Ethernet is used for control.
Before ordering, confirm the Furuno display’s analog video input, NTSC support, control method, power setup and cable routing.
The MD-625 is designed for compact external mounting. Its small housing makes it easier to place on boats where space, height and clean cable routing matter.
Because this is a fixed-view thermal camera, mounting direction is critical. It should be installed where it gives the most useful thermal view, usually forward-facing with a clear line of sight. Avoid rails, antennas, hardtop edges or other structures that block the thermal image.
Thermal cameras should not be mounted behind glass. The MD-625 needs a clear external view to perform correctly.
Camera Type: Compact fixed-view marine thermal camera
Thermal Detector: 640 × 480 VOx microbolometer
Video Format: NTSC analog video output
Video Refresh Rate: 9 Hz or 30 Hz, depending on selected variant
Field of View: 25° × 20° NTSC
Focal Length: 25 mm
Focus: Fixed, 12 ft / 3.6 m to infinity
Thermal E-Zoom: 2× and 4×
Control: Ethernet port for joystick or compatible chartplotter menu control
Furuno Integration: Compatible Furuno display integration where NTSC analog video input and suitable camera control support are available
Power Consumption: 4.8 W nominal, 12.5 W maximum
Protection Rating: IPX6
Size / Weight: 6 in diameter × 7 in height, approx. 3 lb
Detection Performance
30 ft vessel: 1.7 nm / 3150 m
Human-sized target: 0.4 nm / 735 m
Actual range can vary depending on mounting height, weather, sea state, target size and operator experience, but these figures position the MD-625 as a strong compact fixed-view thermal camera for night navigation and forward-looking awareness.
Choose the FLIR MD-625 Fixed View Thermal Camera if you want high-resolution thermal night vision, compact mounting and simple NTSC analog video integration. It is a strong fit for boats that need a dedicated fixed thermal view without the cost or complexity of a pan-and-tilt system.
For boats already using compatible Furuno display systems with NTSC analog video input, the MD-625 is a practical way to add a fixed FLIR thermal view to the existing helm environment without moving into a larger M-Series camera.
Move to another FLIR model when the onboard requirement changes:
Choose the FLIR M232 Thermal Camera System if you want compact thermal imaging with full pan-and-tilt control.
Choose the FLIR M332 Thermal Camera System if you want stabilized M-Series thermal imaging and broader video integration.
Choose the FLIR M364 Thermal Camera System if you want higher-end stabilized thermal detection with stronger range and image detail.
Choose the FLIR M364C Thermal Camera System if you want thermal detection and visible HD identification in one system.
The MD-625 makes most sense when the buyer wants a simple, compact and high-resolution fixed thermal camera. It is not designed to replace a pan-and-tilt M-Series platform. It is designed to give the helm a reliable thermal view with clean installation and direct night-vision value.
1. Is the FLIR MD-625 a fixed camera or pan-and-tilt camera?
The MD-625 is a fixed-view thermal camera. It does not provide active pan-and-tilt control like the M-Series, so the viewing direction is set by the mounting position.
2. Can the FLIR MD-625 connect to a Furuno chartplotter or monitor?
Yes, if the Furuno display system supports NTSC analog video input. Ethernet is used for camera menu and setting control, not for IP video streaming.
3. Where should the FLIR MD-625 be installed on a boat?
Install it externally, forward-facing and unobstructed. A clean line of sight is essential because the MD-625 is fixed-view and thermal imaging does not work properly through glass.
4. Should I choose the 9 Hz or 30 Hz MD-625?
Choose 9 Hz for reliable fixed thermal awareness. Choose 30 Hz if you want smoother motion on screen when navigating actively or monitoring moving targets.
5. What should I check before buying the FLIR MD-625?
Confirm the 9 Hz or 30 Hz variant, Furuno display compatibility when using it within a Furuno helm system, NTSC video compatibility, display input, control method, mounting angle, cable routing and power setup before ordering.
At Sail360, we select marine electronics for long-term value, technical reliability and real onboard usefulness, helping buyers choose equipment that fits their vessel, display system and navigation style.
