DNC-HD9 Stainless Steel Underwater 3G-SDI Live View Camera System

Professional Stainless Steel Underwater SDI Camera for Offshore Inspections, Commercial Diving, Marine Research, and Long-Term Harsh Environment Operation

The DNC-HD9 is a professional underwater 3G-SDI live video camera system designed for offshore inspections, commercial diving, marine research, yacht inspections, fishing applications, infrastructure monitoring, underwater broadcasting, and industrial underwater operations.

The system delivers stable 1080p60 Full HD SDI live video, surface power, and remote camera control through one permanently attached combo cable.

The DNC-HD9 is built around a stainless steel underwater housing, providing significantly improved long-term resistance against corrosion, saltwater exposure, and chlorinated environments compared to standard aluminum underwater housings.

Why Stainless Steel Matters Underwater

Many underwater systems use aluminum housings. While aluminum works well for many applications, long-term saltwater exposure, chlorinated pools, and harsh offshore conditions can eventually affect aluminum surfaces and coatings.

The DNC-HD9 uses a stainless steel housing specifically for customers requiring stronger long-term environmental resistance and professional operational durability.

• Superior long-term corrosion resistance
• Excellent for chlorinated pool environments
• Designed for harsh offshore operations
• Reliable for repeated underwater deployments
• Professional industrial-grade underwater housing
• Ideal for marine and commercial environments

Key Advantage — Permanently Attached Cable

The DNC-HD9 uses a permanently attached underwater combo cable system. There is no underwater connector to attach, disconnect, or tighten before deployment.

• No detachable underwater connector at camera side
• Fast operational setup
• Reduced operator setup complexity
• Simplified deployment workflow
• Reliable sealed underwater cable integration

Diagram A — How It Works

The DNC-HD9 transmits live 3G-SDI video, surface power, and remote camera control signals through one permanently attached underwater combo cable to surface monitoring and recording equipment.

Professional SDI Live Video System

The DNC-HD9 uses professional 3G-SDI transmission technology designed for stable long-distance live video workflows.

• 1080p60 Full HD SDI live video
• Professional broadcast workflow compatibility
• Low-latency monitoring
• Reliable long-distance transmission
• Compatible with SDI monitors and recorders
• Can be converted to HDMI at the surface

Surface Power for Unlimited Runtime

The DNC-HD9 is powered directly from the surface through the combo cable system.

• No internal battery limitations
• Unlimited runtime with surface power
• Ideal for long inspections and monitoring
• Supports 12V to 24V operation

Product Photos

Technical Specifications

Video Formats

• 1080p60 / 59.94 / 50
• 1080p30 / 29.97 / 25 / 23.98
• 1080i60 / 59.94 / 50
• 720p59.94 / 29.97

Lens Options

• 2.8mm lens — 112° field of view
• 3.7mm lens — 70° field of view

Professional SDI Workflow Compatibility

The DNC-HD9 integrates directly into professional SDI monitoring and broadcast environments.

• SDI monitors
• SDI recorders
• Broadcast switchers
• Live streaming encoders
• SDI-to-HDMI converters
• Surface monitoring stations

DNC-HD6 vs DNC-HD9 vs DNC-HD8

Outline Drawing

Included in the Set

• DNC-HD9 stainless steel underwater camera system
• 30m permanently attached SDI / power / remote combo cable
• Remote control joystick
• 12V universal power supply
• Surface-side BNC video interface

Custom Configurations Available

• Custom cable lengths
• Alternative lens configurations
• Surface monitoring packages
• SDI-to-HDMI converter integration
• Live streaming configurations
• Industrial mounting solutions

Important Operating Notice

The DNC-HD9 cable is permanently attached to the underwater housing and is not designed to be disconnected or removed by the user.

Important Underwater Use Warning

Before underwater operation, verify that all surface-side waterproof connections are fully secured. Improper cable handling or damage may affect system operation.

Applications

• Offshore pipeline inspections
• Commercial diving operations
• Marine construction inspections
• Yacht and hull inspections
• Fishing camera systems
• Marine research
• Underwater broadcast production
• Live YouTube streaming
• Aquaculture monitoring
• Infrastructure inspections

Built for Harsh Environments

The DNC-HD9 is designed for underwater environments where corrosion resistance, long operational runtime, and simplified deployment are important.

• Saltwater operations
• Chlorinated pool environments
• Commercial inspection workflows
• Continuous monitoring applications
• Professional underwater video operations

Frequently Asked Questions

Why use stainless steel underwater?

Stainless steel provides superior long-term corrosion resistance compared to aluminum, especially in saltwater and chlorinated environments.

Is the cable detachable?

No. The DNC-HD9 uses a permanently attached cable system for simplified deployment and sealed operation.

Does the system support live surface monitoring?

Yes. The system outputs live 3G-SDI video up to 1080p60 in real time.

Can HDMI monitors be used?

Yes. SDI-to-HDMI converters can be used at the surface for HDMI monitoring and recording systems.

Can the system run continuously?

Yes. The camera is powered directly from the surface and supports unlimited runtime operation.

What applications is the DNC-HD9 designed for?

The system is designed for offshore inspections, marine construction, fishing applications, underwater broadcasting, commercial diving, and industrial underwater monitoring.