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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Showing 300 of 428 Sealevel Products items

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Sealevel 2107

1 Port RS-485 (DB9) Serial to USB Adapter

Sealevel 2106

1 Port RS-422 (DB9) Serial to USB Adapter

Sealevel 2105R

1 Port RS-232 (DB9) Serial to USB Adapter

Sealevel 2104

1 Port Isolated RS-232/422/485 (DB25) Serial to USB Adapter

Sealevel 2103

1 Port Isolated RS-232 (DB25) Serial to USB Adapter

Sealevel 2102

1 Port RS-422/485/530 (DB25) Serial to USB Adapter

Sealevel 2101

1 Port RS-232 (DB25) Serial to USB Adapter

Sealevel 160PoE

Ethernet Modbus TCP to 32 Channel TTL Digital I/O Adapter

Sealevel 160PoE-OEM

Ethernet Modbus TCP to 32 Channel TTL Digital I/O Board

Sealevel 150PoE

Ethernet Modbus TCP to 4 Form C Relay Output Adapter

Sealevel 140PoE

Ethernet Modbus TCP to 4 Reed Relay Output Adapter

Sealevel 130PoE

PoE Modbus TCP to 4 Optically Isolated Digital Input Adapter

Sealevel 120PoE

PoE Modbus TCP to 4 Optically Isolated Digital Input/4 Form C Relay Output Adapter

Sealevel 120PoE-OEM

PoE Modbus TCP to 4 Optically Isolated Digital Input/4 Form C Relay Output Board

Sealevel 110PoE

PoE Modbus TCP to 4 Optically Isolated Digital Input/4 Reed Relay Output Adapter

Sealevel 110PoE-OEM

PoE Modbus TCP to 4 Optically Isolated Digital Input/4 Reed Relay Output Board

Sealevel 520U

USB Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output Adapter

Sealevel 520U-OEM

USB Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output OEM Board

Sealevel 5104e

1 Port RS-232/422/485/530/530A/V.35 Low Profile PCI Express Synchronous Serial Card

Sealevel 5104

1 Port RS-232/422/485/530/530A/V.35 Low Profile PCI Synchronous Serial Card

Sealevel 5103e

1 Port RS-232 Low Profile PCI Express Synchronous Serial Card

Sealevel 5103

1 Port RS-232 Low Profile PCI Synchronous Serial Card

Sealevel 5102e

1 Port RS-232/422/485/530/530A/V.35 Low Profile PCI Express Synchronous Serial Card

Sealevel 5102

1 Port RS-232/422/485/530/530A/V.35 Low Profile PCI Synchronous Serial Card

Sealevel 463U

USB Modbus RTU to 96 Channel TTLDigital I/O Adapter

Sealevel 463U-OEM

USB Modbus RTU to 96 Channel TTLDigital I/O OEM Board

Sealevel 462U-OEM

USB Modbus RTU to 96 Channel TTLDigital I/O OEM Board

Sealevel 8018

24 Channel TTL Digital I/O Low Profile PCI Card

Sealevel Relio R1

Intel Bay Trail Atom E3800 Series Compact Fanless Industrial Computer

Sealevel 8006He

16 Isolated Digital Input (10V-30V) PCI Express Card

Sealevel 8012

8 Isolated Digital Input/8 Reed Relay Output Low Profile PCI Card

Sealevel 8012e

8 Isolated Digital Input/8 Reed Relay Output Low Profile PCI Express Card

Sealevel 3730

16 Isolated Digital Input/16 Reed Relay Output PC/104 Module – DIO-32.104

Sealevel 4030

48 Channel TTL Digital I/O ISA Card

Sealevel 8003e

16 Reed Relay Output PCI Express Card

Sealevel 8004e

16 Isolated Digital Input/16 Reed Relay Output PCI Express Card

Sealevel 8005

48-ch TTL Digital I/O PCI Card

Sealevel 8006e

16 Isolated Digital Input (3V-13V) PCI Express Card

Sealevel 3710

16 Reed Relay Output PC/104 Module – DIO-104.REL

Sealevel 3720

16 Isolated Digital Input PC/104 Module – DIO-104.OPTO

Sealevel 3701

48 Channel TTL Digital I/O PC/104 Module – DIO-48.PC104

Sealevel 3094

16 Optically Isolated Digital Input ISA Card – ISO-16

Sealevel 2202

2 Port RS-422/485 DB9 Serial to USB Adapter

Sealevel 2128

1 Port RS-232/422/485 (DB9) Software Configurable Serial to USB Adapter Board – PC Bracket

Sealevel 2108

1 Port RS-232 (DB9) Serial to USB Adapter Board – PC Bracket

Sealevel 2208

2 Port RS-232 (DB9) Serial to USB Adapter Board – PC Bracket

Sealevel 2802

8 Port RS-422/485 DB9 Serial to USB Adapter

Sealevel 2804

8 Port RS-232 RJ45 Serial to USB Adapter

Sealevel 2807

8 Port RS-232/485 RJ45 Versacom Serial to USB Adapter

Sealevel 2407

4 Port RS-232/485 RJ45 Versacom Serial to USB Adapter

Sealevel 2223

2 Port RS-232/422/485 DB9 Serial to USB Adapter

Sealevel 2404

4 Port RS-232 RJ45 Serial to USB Adapter

Sealevel 2228

2 Port RS-232/422/485 (DB9) Software Configurable Serial to USB Adapter Board – PC Bracket

Sealevel 8203FX

48 Channel TTL Digital I/O USB Adapter – SeaLINK PIO-48

Sealevel 8205FX

96 Channel TTL Digital I/O USB Adapter – SeaLINK PIO-96

Sealevel 470U-OEM

USB Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output OEM Board

Sealevel 470U

USB Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output Adapter

Sealevel 462U

USB Modbus RTU to 96 Channel TTL – DB78F Digital I/O Adapter – SeaI/O-462U

Sealevel 8227

USB to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output Adapter

Sealevel 570U

USB Modbus RTU to 8 Analog Input – 8 Isolated Digital Input/8 Form C Relay Output Adapter

Showing 300 of 428

Sealevel Serial, I/O, and Embedded Computing Solutions

Industrial monitoring system with custom I/O for nationwide government broadcast sites