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Sealevel Systems

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Industrial-grade I/O and computing solutions for reliable performance in demanding environments.

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Tracked since2026
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The Bottom Line

Entry price

Paid plans only

Biggest pro

Products are built to withstand harsh industrial and military environments.

Biggest con

Pricing for many products is not readily available and requires direct inquiry.

TL;DR - Sealevel Systems

  • Manufactures industrial I/O and computing hardware.
  • Products are designed for rugged, mission-critical applications.
  • Offers custom engineering and manufacturing services.
Pricing: Paid only
Best for: Enterprises & pros

What is Sealevel Systems?

Editorial review
Sealevel Systems provides a comprehensive range of industrial I/O and computing products designed for real-world applications. Their offerings include rugged embedded computers, data acquisition (DAQ) devices, Ethernet servers and adapters, USB devices, and PCI/PCIe cards. These products are engineered for high reliability, extended temperature and vibration tolerances, and robust I/O options, making them suitable for mission-critical applications across various industries. The product line is built to support diverse needs, from monitoring and controlling real-world signals with DAQ devices to providing powerful processing capabilities in harsh environments with their Relio™ family of industrial embedded computers. Sealevel also offers specialized solutions like HazPAC Rugged Panel PCs certified for hazardous locations and tactical communication products. With in-house design, manufacturing, and custom solution capabilities, Sealevel caters to engineers and businesses requiring durable, high-performance industrial hardware.

Pros & Cons

Pros

  • Products are built to withstand harsh industrial and military environments.
  • Offers extensive customization options for specific application requirements.
  • In-house design, manufacturing, and support ensure high quality and reliability.
  • Broad range of connectivity and I/O solutions for diverse industrial needs.
  • Certifications like AS9100D and ATEX/IECEx for specialized applications.

Cons

  • Pricing for many products is not readily available and requires direct inquiry.
  • The extensive product range may require detailed technical understanding to select the optimal solution.
  • Focus is on hardware, requiring users to integrate with their own software solutions unless using SeaConnect/SeaCloud.

Key Features

Embedded Computers (Relio™, SeaPAC, HazPAC families)Data Acquisition (DAQ) Devices (digital and analog I/O)Ethernet Servers & Adapters (RS-232, RS-422, RS-485 to Ethernet)USB Devices (hubs, DAQ, isolators, digital I/O, serial adapters)PCI Express & PCI Cards (synchronous/asynchronous serial, digital I/O)Tactical Communication Products (synchronous serial interfaces, MIL-STD-1553)Intelligent Devices with SeaConnect™ hardware and SeaCloud™ softwareCustom engineering and manufacturing services

Pricing Plans

Pricing checked Jun 7, 2026

Relio R1 Edge - Intel® i7

Call for Pricing

SeaDAC Lite - USB to 4 Form C Relay Outputs

$155

SeaDAC USB to 16 Isolated Inputs; 8 Form C Relays

$335

Intel® Atom™ Flexio Fanless Industrial Embedded Computer

$824.00 - $1,033.00

Intel® Core™ i5 Flexio Fanless Industrial Embedded Computer

$2,105.00 - $2,310.00

SeaLINK+422: USB to 1 Port RS-422 (Tx & Rx only) Adapter

$79

SeaLINK+232-DB9: Rugged USB to 1 Port DB9 RS-232 Adapter

$79

SeaLINK+2I.DIN:USB to 2 Port Iso RS232/422/485 Serial Adaptr

$248

USB Type A to SeaLATCH USB Type B Cable;72";Rev D

$11

Flush Mount Bracket Kit - for SeaI/O; Relio R1000 Systems

$33

Cable 50PIN to 50PIN IDC Flat Ribbon 40in.

$12

SeaI/O Ethernet Modbus TCP With 16 Iso Inputs; 16 Reed Relays

$313

SeaLATCH USB Panel Mount Adapter

$11

8006Hec - PCI Express 16 Isolated Inputs (10-30V)

$492

PCI Express 16 Reed Relay Output / 16 Isolated Input Digital Interface With Socketed Resistors

$522

SeaISO Embedded Single Port Inline USB 3 Isolator

Call for Pricing

SeaISO Embedded Single Port Inline USB 2 Isolator

Call for Pricing

8006ec - PCI Express 16 Isolated Inputs (3-30V)

$454

How Sealevel Systems's pricing compares

At $11/mo, Sealevel Systems is mid-range of its 2 direct competitors ($4.99 to $299/mo across the set).

$4.99
Sealevel Systems
$11

Entry paid plan, monthly. Pricing checked Jun 7, 2026.

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Sealevel Systems FAQ

How does Sealevel Systems support data acquisition in industrial settings?

Sealevel Systems provides data acquisition (DAQ) devices designed for monitoring and controlling real-world signals. These devices are part of their comprehensive range of industrial I/O and computing products, engineered for high reliability in demanding environments.

Which teams would benefit most from Sealevel Systems' products?

Teams requiring durable, high-performance industrial hardware for mission-critical applications will find Sealevel Systems beneficial. This includes engineers and businesses operating in harsh industrial and military environments, needing robust I/O and computing solutions.

How is Sealevel Systems priced?

Sealevel Systems is a paid product, and pricing for many of its offerings requires direct inquiry. There is no permanently free tier available for its industrial-grade solutions.

Can Sealevel Systems products be customized for specific application requirements?

Yes, Sealevel Systems offers extensive customization options to meet specific application requirements. They provide in-house design and manufacturing capabilities to tailor solutions for diverse industrial needs.

What kind of certifications do Sealevel Systems products hold for specialized applications?

Sealevel Systems products hold certifications such as AS9100D and ATEX/IECEx, which are important for specialized applications. These certifications ensure compliance and reliability in demanding industrial and hazardous locations.

How does Sealevel Systems compare to K3s in terms of product focus?

Sealevel Systems focuses on providing industrial-grade hardware, including rugged embedded computers and I/O devices, for demanding environments. In contrast, K3s is a lightweight Kubernetes distribution, primarily focused on software orchestration for edge computing rather than physical hardware.

Source: sealevel.com

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