Sealevel Serial, I/O, and Embedded Computing Solutions

We supply Sealevel Systems' high-reliability serial, digital I/O, and embedded computing products built for long-term operation in harsh and highly regulated environments.

Their range includes PCIe and PCI serial cards, Ethernet-to-serial devices, industrial I/O modules, and fanless embedded computers. Built for use in military, medical, and industrial environments, Sealevel products are known for rock-solid performance, extended lifecycle support, and compliance with strict operational standards.

Explore our Sealevel product range or get in touch for specialist advice.

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Sealevel Products

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450U
Sealevel 450U
USB Modbus RTU to 16 Form C Relay Output Adapter
462U
1 in stock
Sealevel 462U
USB Modbus RTU to 96 Channel TTL – DB78F Digital I/O Adapter – SeaI/O-462U
462U-OEM
Sealevel 462U-OEM
USB Modbus RTU to 96 Channel TTLDigital I/O OEM Board
463U-OEM
Sealevel 463U-OEM
USB Modbus RTU to 96 Channel TTLDigital I/O OEM Board
463U
Sealevel 463U
USB Modbus RTU to 96 Channel TTLDigital I/O Adapter
530U-OEM
Sealevel 530U-OEM
USB Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board
170PoE-OEM
Sealevel 170PoE-OEM
PoE Modbus TCP to 8 A/D – 2 Optically Dry Contact Input – 2 Solid-State Relay Output Board
£292.00
Relio R2-Sync
Sealevel Relio R2-Sync
11th Gen Intel Core i7-1185GRE Rugged Embedded Computer
What Is Sealevel’s Specialty?
Sealevel focus on serial and I/O expansion solutions, including USB-to-serial adaptors, digital I/O modules and embedded control systems. Their designs are trusted where reliable connectivity is required across industrial and military sectors.

Why Choose Sealevel Hardware?
With extensive experience in serial communications, Sealevel products provide the robust connectivity needed to extend the life of legacy equipment. Many models also meet MIL-STD specifications for defence projects.

Why Source in the UK Through Impulse?
We deliver Sealevel hardware to our UK customers with technical guidance and lifecycle support, ensuring integration is seamless and supply is dependable across long-term projects.