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 420 of 428 Sealevel Products items

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Sealevel 570N

8 Analog Input – 8 Isolated Digital Input/8 Form C Relay Output SeaI/O Expansion Module

Sealevel 570S

RS-232 Modbus RTU to 8 x 16-bit Analog Input – 8 Isolated Digital Input/8 Form C Relay Output Adapter

Sealevel 120PoE-OEM

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

Sealevel 570W

Wireless 802.11b/g Modbus TCP to 8 Analog Input – 8 Isolated Digital Input/8 Form C Relay Output Adapter

Sealevel 520W

Wireless 802.11b/g Modbus TCP to 8 Isolated Digital Input/8 High Current Form C Relay Output Adapter

Sealevel 530E-OEM

Ethernet Modbus TCP to 16 Isolated Digital Input/16 Open-Collector Output OEM Board

Sealevel 530E

Ethernet Modbus TCP to 16 Isolated Digital Input/16 Open-Collector Output Adapter

Sealevel 520E-OEM

Ethernet Modbus TCP to 8 Isolated Digital Input/8 High Current Form C Relay Output OEM Board

Sealevel 520M-OEM

RS-485 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output OEM Board

Sealevel 520M

RS-485 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output Adapter

Sealevel 470M

RS-485 Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output Adapter

Sealevel 470N

16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output SeaI/O Expansion Module

Sealevel 470S-OEM

RS-232 Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output OEM Board

Sealevel 530S-OEM

RS-232 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board

Sealevel 530S

RS-232 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output Adapter

Sealevel 530W

Wireless 802.11b/g Modbus TCP to 16 Isolated Digital Input/16 Open-Collector Output Adapter

Sealevel 120PoE

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

Sealevel 130E

Ethernet Modbus TCP to 4 Optically Isolated Digital Input Adapter

Sealevel 130PoE

PoE Modbus TCP to 4 Optically Isolated Digital Input Adapter

Sealevel HUB7i-UK

7 Port Isolated Industrial USB 2.0 Hub

Sealevel HUB7M-UK

7 Port Industrial USB 2.0 Hub

Sealevel HUB7P-UK

7 Port Industrial USB 2.0 Hub

Sealevel HUB4PH-UK

4 Port Industrial USB 2.0 Hub

Sealevel 270U

7 Port Isolated Industrial USB 2.0 Hub

Sealevel ISO-1-OEM

1 Port SeaISO Embedded Inline USB Isolator

Sealevel ISO-1

1 Port SeaISO Inline USB Isolator

Sealevel ISO-1R

1 Port SeaISO Ruggedised Inline USB Isolator Cable

Sealevel Relio R1

Intel Bay Trail Atom E3800 Series Compact Fanless Industrial Computer

Sealevel 9065

ACC-188 USB Synchronous Serial Radio Adapter

Sealevel 9064

ACC-188 PCMCIA Synchronous Serial Radio Adapter

Sealevel 2101

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

Sealevel 2102

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

Sealevel 2103

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

Sealevel 2104

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

Sealevel 2105R

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

Sealevel 2106

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

Sealevel 2107

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

Sealevel 2108

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

Sealevel 2113

1 Port Isolated RS-232/422/485 (DB9) Serial to USB Adapter

Sealevel 2123

1 Port RS-232/422/485 (DB9) Serial to USB Adapter

Sealevel 2128

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

Sealevel 2161

16 Port RS-232 (RJ45) Serial to USB Adapter

Sealevel 2201

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

Sealevel 2202

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

Sealevel 2203

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

Sealevel 2208

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

Sealevel 2213

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

Sealevel 2223

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

Sealevel 2223-OEM

2 Port RS-232/422/485 (DB9) OEM Serial to USB Board

Sealevel 2228

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

Sealevel 2404

4 Port RS-232 RJ45 Serial to USB Adapter

Sealevel 2407

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

Sealevel 2401

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

Sealevel 2402

4 Port RS-422/485 (DB9) Serial to USB Adapter

Sealevel 2403

4 Port RS-232/422/485 (DB9) Serial to USB Adapter

Sealevel 2423

4 Port RS-232/422/485 (DB9) Serial to USB Adapter

Sealevel 2433

4 Port RS-232/422/485 (DB9) Serial to USB Adapter

Sealevel 2801

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

Sealevel 2802

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

Sealevel 2807

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

Showing 420 of 428

Certifying the perfect product to upgrade a marine Dynamic Positioning system

Wärtsilä Guidance Marine, a leading developer and supplier of local position reference sensors for Dynamic Positioning (DP) and other vessel control systems, wished to upgrade the UX for their dynamic positioning indicator system, with both functional and graphical improvements, and required marine-certified hardware to facilitate the update.