Supplier of Electronic Sub Assemblies & Systems to Ministry of Defence

Lee-Dickens Ltd

Lee-Dickens has been involved in the design, development and manufacture of submarine process systems for the MoD Submarine programme since 1970, acting as a sub-contractor to Vickers Shipbuilders, Marconi Space and Defence (both now divisions of British Aerospace), Rolls Royce and Associates and the Ministry of Defence.

During that period, our Quality Assurance system has been approved to MoD standards 05-21, AQAP 1 and 13, BS 5750 and ISO 9001 and TickIT.more

Submarine Process Systems

We have developed, manufactured and supported a wide range of sensors, interfaces, monitoring, control and display systems including:

Position Monitoring - Submarine pitch angle; rate of change of pitch; rate of change of depth; mast extension; torpedo tube shutter door; shaft movement; machinery constant position raft.

Level Monitoring - Reactor feed and water coolant; lubricating oil; periscope well; ballast and fuel tank contents.

Temp Monitoring - Reactor feed and coolant water; main and auxiliary machinery spaces, gearbox shaft and machinery bearings; sonar coolant; weapons systems; munitions storage spaces; life support systems; environmental conditions.

Alarm Systems - Main and auxiliary machinery flood; weapons alarm line; reactor control monitoring; local and group warning with ISIS interface.

General Systems - Signal conditioning for temperature, level, flow and pressure transducers; signal isolation amplifiers; equipment and system power supplies; alarm system modules; rpm monitoring and display; motor power and current consumption; thermocouple and RTD head amplifiers; relative humidity monitoring and control equipment: saline meter probes and controller units.

Similar process systems have also been supplied for surface warships.less


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Lee-Dickens Ltd
Rushton Road
NN14 2QW, Kettering
United Kingdom

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