Sealevel Systems, Inc. will be closed beginning December 20, 2024. Order processing and communication will resume January 2, 2025.

System Integrators

Our major focus categories - Serial I/O, Digital and Analog I/O, USB Hubs and Isolators, and Embedded Computers - are designed specifically to enable and expand computer connectivity and control, making them perfect tools for system integrators.

Flexible Tools for System Integrators

Sealevel has worked with major OEMs and system integrators since our founder designed the first RS-422/485 communication adapter for the IBM PC in 1984. Our Serial I/O, Digital and Analog I/O, USB Hubs and Isolators, and Embedded Computing solutions are designed specifically to enable and expand computer connectivity and control.

Sealevel partners with OEMs and system integrators to meet their specific application needs through our standard product line and custom design and manufacturing capabilities. Our in-house Engineering department includes hardware, software, mechanical, layout, compliance, and test engineering teams. Our hardware design engineers specialize in complex computing and I/O design, excelling in SWaP optimization and functional density applications.



Robust I/O Solutions

Sealevel offers digital and analog I/O products and data acquisition devices with optically isolated inputs, Reed and Form C relay outputs, TTL interfaces to solid-state relays, and A/D and D/A functionality. Our I/O solutions support configurations from a few inputs to a distributed test and measurement network.

Digital & Analog I/O

Sealevel synchronous and asynchronous serial adapters are trusted anywhere reliable, high-speed communications are required – defense, manufacturing, automation, and broadcast communications. Solutions are available in traditional bus-based form factors or in easy-to-use USB and Ethernet protocols.

Embedded Computing

Designed for I/O-intensive applications, our industrial computerstouch panel PCs and COM Express solutions offer unmatched computing power combined with the flexibility and configurability required for broadcast communications, requiring no fans or
other rotating parts.

Sealevel Expertise

Sealevel’s in-house engineering and manufacturing teams have more than 35 years of experience of developing flexible and robust I/O products and solutions, all of which are made in the USA and carry a lifetime warranty.

Embedded Computing

Built to withstand the wide variety of extreme physical conditions autonomous drones are subjected to, our Computer on Module (COM) based systems provide the benefits of a full custom design while reducing time, costs, and risk. Sealevel’s engineering team designs embedded computing technology to perform in the most extreme environments – implementing strategies to combat cold, heat, shock, vibration, and more. Our products are designed to meet many commercial and military standards for rugged computing.

USB Hubs

Sealevel industrial USB hubs are designed for rugged applications requiring wide operating temperature range and long-term availability. Choose hubs with charging downstream ports that are perfect for charging batteries or powering high-current USB peripherals. Hubs are available with up to 7 ports and up to USB 3.1 speeds and are backward-compatible to support legacy hardware. Optically isolated hubs protect computers from damaging surges, spikes, and ground loops commonly found in industrial and OEM applications.

Digital & Analog I/O

Monitor and control real-world signals with any computer using Sealevel digital and analog I/O products. Select from field-proven optically isolated inputs, Reed and Form C relay outputs, TTL interfaces to solid-state relays, A/D and D/A functionality. Our digital and analog I/O products come in a wide variety of host connections: host via wireless, Ethernet, USB, RS-485, or RS-232.

Serial I/O

All Sealevel synchronous serial products are engineered with strict attention to timing to achieve the most reliable, high-speed communication possible. Choose from a variety of RS-232/422/485 multi-interface products that support HDLC/SDLC and other protocols. Our SeaLINK industrial Ethernet serial servers offer the easiest way to connect RS-232, RS-422, and RS-485 serial devices to your Ethernet network.

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Talk to Our Solutions Engineers

We are proud to work with the most talented engineers from around the world to solve difficult problems in diverse environments. No matter your application requirements, Sealevel can provide a solution that perfectly fits your needs.

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