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High Technology Sources Limited (HTSL)

UK's leading supplier of radioactive isotopes & NDT equipment. UK Partners for Zetec, NOVO-DR, Eckert & Ziegler & QSA

Product, Service

United Kingdom

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Professionalism, efficiency, reliability and safety in the supply of radioactive sources, equipment and services from High Technology Sources Limited.

The knowledge and experience of the team at High Technology Sources Limited (HTSL) is renowned throughout the non destructive testing, industrial and medical industries. 

Products and services include;

Zetec Phased Array & Eddy Current Products

  •  NDT Sources;





  • NOVO Digital Radiography products 
  • Gamma radiography devices, windouts and accessories
  • ·Small controlled area radiography (SCAR), pump boxes and accessories
  • Return to base servicing and maintenance
  • Site based exposure bay and radiography equipment servicing
  • Supply, service and repair of industrial X-ray equipment
  • Flexible radiation shielding
  • Equipment Rentals
  • Purchase of used radiography devices and equipment
  • Disposition of radioactive sources and Depleted Uranium articles

HTSL’s in-depth knowledge of the development and supply of dedicated and effective radioactive sources for medical and industrial applications is further enhanced by its full consultancy service on the application, design and manufacture of systems suitable for a huge range of applications. 

HTSL has a highly-experienced team that can help to ship isotopes and equipment to most destinations.

For further details of all HTSL products and services, please visit our website.

Products & Services

HTSL are able to provide sales, service, repair to various x-ray units, generators, interlock systems and enclosures.  Our team aims to respond to faults and repairs as soon as possible such that you are able to get back to operation as soon as possible.

Our equipment support plans add value to your business by ensuring maximum uptime, extended life for your equipment and a lower cost of ownership throughout the life of your product.

HTSL service cover gives you the peace of mind that can only come with the assurance that highly trained specialists will respond quickly to your support needs.  Having a support plan in place reduces the chance of costly unexpected downtime and minimizes the impact to your business when service is required.

Equipment Rentals

HTSL offers a wide range of radiography devices & accessories for short and long term hire.

We currently have available:

  • 880DELTA’s
  • 959 SCAR’s
  • 989 BABY SCAR’s

Our rental periods can be from 1 month to 3 years depending on your project requirements. All equipment is available from stock, serviced and ready for immediate dispatch subject to source availability.

For more information on our rentals please contact us on 01235 514200 or 

Equipment Servicing

NDT equipment sees some of the harshest climates and conditions in the world. We know maintenance and repairs are inevitable and want our clients to know they can count on us when they need their equipment the most. Our team can tear down and rebuild exposure devices and remote controls in accordance with the manufacturers instructions.

We offer in-house maintenance and repairs at our specialised workshop. Our radiography service department can perform almost any repair.

Our technicians are trained by the manufacturers themselves and have unparalleled knowledge in fixing NDT and radiography equipment.

We can offer a same day service should you wish to bring your equipment in and wait for a rapid turnaround.

Our on site team will attend any site location in the UK or Ireland to undertake maintenance and repairs.

All our repairs are undertaken using OEM original parts which offers full traceability.

HTSL’s OEM trained maintenance team offers servicing on the below devices;

•  880 device range

•  959 & 989 Scar projectors

•  1075 SCAR PRO

•  Cobalt-60 Sentry 110 & 330

•  Cobalt-60 680 and 741

If you don’t see your devices listed above please contact us to see if our trained technicians can assist.

For further information on any of the above services don’t hesitate to contact us on +44 (0)1235 514200 or email

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