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We can manufacture custom cable assemblies, harnesses and looms,  terminated with a variety of connector types to suit your pinout specifications.


Cables cut to length, stripped, crimped, twisted, tinned, soldered, coiled and labelled.


We manufacture a variety of MIL spec cable assemblies using the leading military connector manufacturers, suitable for high / low temperature and current, waterproof and harsh environments.


All items are thoroughly tested throughout the build process for continuity and adherence to drawing.



Pressurised Systems   Test Equipment  Cable Assemblies 
From simple metering systems to complex closed loop control of pneumatic and hydraulic media, OHD can design, source and build to customer requirements. Using our qualified electrical engineering team we can offer installation and test services on 1 phase & 3 phase systems.

Together with our own in house software engineers, we can provide bespoke embedded and PC platform software to integrate to our electronic systems.
Design-for-manufacture is key to the design process, we can encompass plastic injection moulding, vacuum forming, extrusion, over-moulding, blow moulding, sheet metal fabrication, die casting, compression moulding and production assembly.

Pressurised systems can be constructed for both Pneumatic pressures up to 70bar & Hydraulic pressures up to 700bar. Metering can be in a simple analogue or full featured digital  readout.


These can be from a simple pneumatic actuator or systems for manufacturing or functional test and controlled both manually & automatically.


We can also produce Oxygen clean systems in low and medium flows.

Test equipment of various complexities can be manufactured to specific requirements. These can range from simple desktop to full 19” high rack installations with PC software to suit.


Major manufactures such as Agilent, TTI, Yokagowa and National Instruments can utilised for such systems.


With extensive skills within electronic, electrical and mechanical design we can provide a full design service for our customers from a single cable to a full systems test rig