Subsea Electronics and Sensors

Download Specification

Marinised sensors designed for deepwater subsea use

Having designed and manufactured many types of subsea vehicles over the last 45 years, SMD has a wealth of knowledge of sensors and data collection offering a full range of options through the Curvetech® brand. All of the electronics and sensors are available to our customers to purchase as after-market spares or for integration with your own equipment.

Subsea Sensor Range

AK0521

Subsea Speed and Direction Sensor
Depth Rating: 6000m
Connector: Molex (Subsea connectors available on request)
Use: Internal oil filled enclosures

AF0140

Subsea Proximity Sensor
Depth Rating: 3000m
Connector: Impulse

AJ9493

Subsea Rotary Encoder
Depth Rating: 3000m
Connector: Subconn

PK4444

Subsea Pressure Sensor
Depth Rating: 6000m
Connector: 2-wire
Rating: 0-400 bar relative; 4-20mA
Use: Internal oil filled boxes
G¼” Port


AK1707

Subsea Oil Temperature
Depth Rating: 3000m
Connector: 2-wire
Use: Internal oil filled boxes
Hydraulic return lines only

AK6894

Subsea DSA Speed Sensor (18mm)
Depth Rating: 6000m
Connector: Impulse
Use: Replacement speed sensor
for Bosch Rexroth motors

AK6895

Subsea DSA Speed Sensor (32mm)
Depth Rating: 6000m
Connector: Impulse
Use: Replacement speed sensor
for Bosch Rexroth motors

AC6644

Subsea Filter Switch
MP Filtri
2 Bar


AC6645

Subsea Filter Switch
MP Filtri
5 Bar

Subsea Electronics and PCB Range

MFVP Controller Card 3000m

15 Channel Valve Driver Board
10 Analogue Inputs

MFVP Controller Card 6000m

15 Channel Valve Driver Board
10 Analogue Inputs

TCU Controller Card 3000m

10 Servo Valve Outputs
4 Inputs

TCU Controller Card 6000m

10 Servo Valve Outputs
4 Inputs


Lamp Dimmer 6 Channel

6 Dimmable Outputs
2 On/Off Outputs
10 Inputs

Lamp Dimmer 12 Channel

12 Dimmable Outputs
2 On/Off Outputs
10 Inputs

Split Power Supply TCU Board

±12V Output

PT100 Conditioning Card

2 Inputs(2,3 or 4 Wire)
0-10V Output
Depth Rating: 3000m


Moisture Detection Board

Pods and Accessories Range

Subsea Power Supply Unit

Smoothed Power Supply for Transponders and Responders
Input 110VAC
Output 15VDC and 24VDC
Depth Rating: 4000m

Pod Vacuum Port

Material: SS
Port: Quarter BSP

AJ6980

Subsea Power Supply
110VAC to 24VDC
Depth Rating: 4000m
156mm long x 81mm OD

Lamp Dimming Junction Box Range

6+2Ch Lamp JB

6 off, 110VAC Dimmable Outputs
2 off, 110VAC HID Outputs
Connectors: Burton

12+2Ch Lamp JB

12 off, 110VAC Dimmable Outputs
2 off, 110VAC HID Outputs
Connectors: Burton

6Ch Lamp JB

6 off, 110VAC Dimmable Outputs
Connectors: Impulse

12+2Ch Lamp JB

12 off, 110VAC Dimmable Outputs
2 off, 110VAC HID Outputs
Connectors: Impulse


12+2Ch Lamp JB

12 off, 24VDC Dimmable Outputs
2 off, 110VAC HID Outputs
Connectors: Impulse

Here to help

Gary Armstrong

Spares Manager

gary.armstong@smd.co.uk

+44 (0)| 191 234 8554

Curvetech® Technical

Technical support

curvetech@smd.co.uk

+44 (0) 191 234 2222

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