Sealevel DAQ and Serial Cards for Reliable Industrial Connectivity

Sealevel DAQ and serial cards are engineered to provide precise data acquisition and robust serial communication in industrial and embedded applications. Supporting RS-232, RS-422, and RS-485 interfaces, these PCIe and PCI expansion cards ensure dependable connectivity for control systems, automation, and test environments. With Sealevel’s reputation for performance and long-term availability, these cards deliver accuracy, stability, and reliable communication where it matters most.

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Showing 52 of 52 Sealevel DAQ & Serial Cards items

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2 options available

Sealevel 8018 Series

24 Channel TTL Digital I/O Low Profile PCI Card

2 options available

Sealevel 8012e Series

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

From £245.00 (exc. VAT)

4 options available

Sealevel 8012 Series

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

1 option available

Sealevel 8006He Series

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

From £410.00 (exc. VAT)

1 option available

Sealevel 8006e Series

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

From £441.50 (exc. VAT)

1 option available

Sealevel 8005 Series

48-ch TTL Digital I/O PCI Card

From £392.00 (exc. VAT)

2 options available

Sealevel 8004e Series

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

From £524.50 (exc. VAT)

1 option available

Sealevel 8003e Series

16 Reed Relay Output PCI Express Card

From £472.00 (exc. VAT)

1 option available

Sealevel 7804e Series

8 Port RS-232/422/485 PCI Express Asynchronous Serial Card

1 option available

Sealevel 7804 Series

8 Port RS-232/422/485 PCI Serial Card

4 options available

Sealevel 7803 Series

8 Port RS-232 Low Profile PCI Serial Card

2 options available

Sealevel 7802ec Series

8 Port RS-422/485 Low Profile PCI Express Asynchronous Serial Card

From £415.50 (exc. VAT)

The Perfect Match for Your Data Acquisition Card

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4 options available

Sealevel 7406e Series

4 Port RS-232 Low Profile PCI Express Asynchronous Serial Card

5 options available

Sealevel 7406 Series

4 Port RS-232 Low Profile PCI Serial Card

From £481.50 (exc. VAT)

1 option available

Sealevel 7404e Series

4 Port RS-232/422/485 PCI Express Asynchronous Serial Card

1 option available

Sealevel 7402e Series

4 Port RS-422/485 Low Profile PCI Express Asynchronous Serial Card

2 options available

Sealevel 7205ec Series

2 Port RS-232/422/485 Low Profile PCI Express Asynchronous Serial Card

From £253.00 (exc. VAT)

2 options available

Sealevel 7205 Series

2 Port RS-232/422/485 Low Profile PCI Serial Card

From £674.50 (exc. VAT)

2 options available

Sealevel 7204e Series

2 Port RS-422/485 Low Profile PCI Express Asynchronous Serial Card

4 options available

Sealevel 7204 Series

2 Port RS-422/485 PCI Serial Card

1 option available

Sealevel 7203e Series

2 Port RS-232/422/485 Isolated PCI Express Asynchronous Serial Card

From £205.00 (exc. VAT)

2 options available

Sealevel 7202 Series

2 Port RS-232 PCI Serial Card

2 options available

Sealevel 7201 Series

2 Port RS-232/422/485 PCI Serial Card

2 options available

Sealevel 7161e Series

16 Port RS-232 PCI Express Asynchronous Serial Card

3 options available

Sealevel 7161 Series

16 Port RS-232 PCI Serial Card

2 options available

Sealevel 7108 Series

1 Port RS-232/422/485 Isolated Low Profile PCI Serial Card

From £636.00 (exc. VAT)

2 options available

Sealevel 7106e Series

1 Port RS-232/422/485/530 Low Profile PCI Express Asynchronous Serial Card

From £229.00 (exc. VAT)

2 options available

Sealevel 7106 Series

1 Port RS-232/422/485/530 Low Profile PCI Serial Card

From £437.00 (exc. VAT)

4 options available

Sealevel 7104 Series

1 Port RS-232 Low Profile PCI Serial Card

From £445.00 (exc. VAT)

1 option available

Sealevel 5402e Series

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

From £1,473.00 (exc. VAT)

1 option available

Sealevel 5402 Series

4 Port RS-232/422/485/530/530/V.35 Synchronous Serial PCI Card

From £1,161.50 (exc. VAT)

2 options available

Sealevel 5104e Series

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

From £584.50 (exc. VAT)

2 options available

Sealevel 5104 Series

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

2 options available

Sealevel 5103e Series

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

From £453.50 (exc. VAT)

2 options available

Sealevel 5103 Series

1 Port RS-232 Low Profile PCI Synchronous Serial Card

2 options available

Sealevel 5102e Series

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

From £534.00 (exc. VAT)

2 options available

Sealevel 5102 Series

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

1 option available

Sealevel 4030 Series

48 Channel TTL Digital I/O ISA Card

2 options available

Sealevel 3730 Series

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

2 options available

Sealevel 3720 Series

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

2 options available

Sealevel 3710 Series

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

2 options available

Sealevel 3701 Series

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

1 option available

Sealevel 3588 Series

8 Port RS-485 PC/104 Serial Card

Sealevel 3541-KT

4 Port RS-232/422/485 PC/104 Serial Card Kit (C4.104-ULTRA Kit)

1 option available

Sealevel 3540 Series

4 Port RS-232/422/485 PC/104 Serial Card

1 option available

Sealevel 3514 Series

1 Port RS-232/422/485/530/530A/V.35 PC/104+ Synchronous Serial Card

1 option available

Sealevel 3512 Series

1 Port RS-232/422/485/530/530A/V.35 PC/104 Synchronous Serial Card

1 option available

Sealevel 3098 Series

32 Switched Relay Output ISA Card

2 options available

Sealevel 3096 Series

8-Channel Isolated Digital Input/8-Channel Reed Relay Output ISA Card

1 option available

Sealevel 3095 Series

16 Reed Relay Output ISA Card

2 options available

Sealevel 3094 Series

16 Optically Isolated Digital Input ISA Card – ISO-16

2 options available

Sealevel 3093 Series

16-Channel Isolated Digital Input/16-Channel Reed Relay Output ISA Card

Why Choose Sealevel DAQ and Serial Cards?
Sealevel’s data acquisition and serial expansion cards are engineered for accuracy, reliability and long-term availability. Their range includes digital and analogue I/O, RS-232, RS-422 and RS-485 interfaces, giving system designers the flexibility to integrate legacy and modern equipment within the same platform.

What Sets Sealevel Hardware Apart?
Every card is built for industrial operation, with isolation, surge protection and extended temperature tolerance. Low-latency communication and precise timing make Sealevel hardware ideal for control, monitoring and simulation tasks where consistent performance is critical.

How We Support UK Integration Projects
We supply Sealevel DAQ and serial cards with full technical support and lifecycle assurance. Our engineers help you select the right form factor, configure driver settings and integrate the hardware into existing systems, ensuring dependable operation across industrial, transport and defence applications.