Who are we?
HTSL has been one of the UK’s leading suppliers of radioactive isotopes for over 20 years. Our team hosts a wealth of experience many working in the industry for over 40 years from compliance managers to cell operators to engineers our team is equipped to deal with all of your needs.
There are 2 main divisions within HTSL the first supplies the Eckert and Zeigler product lines which are sold into Hospitals, Universities, Nuclear Licenced sites, Calibration facilities, Oil production and more.
The second division within HTSL supports the non destructive testing industry, we have a number of brands that we represent who all support varying techniques. Gamma radiography – QSA global, Isotrend, Spec and Polatom. Zetec – Phased Array Ultrasonic Testing (PAUT), Eddy Current and Eddy Current Array. Carestream – Film, Chemicals, Digital Radiography and Computed Radiography.
Our Leadership

Benjamin Read, General Manager
Duncan Aston, Compliance Manager
Max Pottinger, Isotrak Manager
Mathew Anderson, Technical Manager
Stephen Downie, NDT Business Development Manager
Michelle Vaisey, NDT Customer Services
David Gilbert, Isotrak Customer Services
Omar Hussain, Service Technician
Steve Bolt, Service Technician
Harry Holifield, Service Technician
Lynn Thomas, Accounts Technician
Industries We Serve
- Pressure, flow, moisture and gas analyzers
- Pressure sensors for the upstream market
- Weld integrity for girth, longitudinal welds in pipelines, pressure vessels, and structures
- Corrosion and erosion detection and monitoring
- Heat exchanger tubes, shells, and fin-fans
- Rotating equipment (Turbines, Compressors, Pumps, Engines)
- Condition monitoring for rotating and reciprocating assets
- Lifecycle management solutions
- Control system retrofits and migrations
- Cyber security solutions
- Prevent and monitor vibrations
- Enterprise-wide software solutions
- Compressor control
- Generator protection
Measurement and Sensing
- Flow meters
- Pressure transmitters
- Level sensors
- Moisture probes and transmitters
- Radiation detection technologies
- Neutron monitoring
Inspection and Testing
- Rotating equipment inspection
- Weld inspection
- Inspection and monitoring for corrosion
- Turbine blade inspection
- Heat exchanger tubes, shells, and fin-fans
- Inspection of composite components, wind turbine blades, fan blades, aircraft structures
- Ultrasonic and x-ray testing film, equipment and systems for inspection
- Digital x-ray systems and testing machines
- Flaw detection
- Pre commissioning and maintenance
Control and Monitoring
- Protection, vibration, and condition monitoring for critical and plant-wide machinery
- Machinery diagnostic services
- Hydro turbine condition monitoring
- Motor condition monitoring
- Combined cycle plant condition monitoring
- Control system retrofits and migrations
- Generator protection and control panels
- Plant-wide controls/DCS
- Cyber security solutions
Measurement and Sensing
- Air data test sets
- Pressure sensors and instruments
- Electrical instruments
- Humidity sensors and instruments
- Gas sensors and instruments
- Flow instruments
- Leak testers
Inspection and Testing
- Weld inspection
- Inspection for corrosion
- Turbine blade inspection
- Tube and ducting
- Composite inspection of turbine and propeller blades, airframe, and control surfaces
- Ultrasonic test equipment and squirter systems
- X-ray film, equipment and systems
- Flaw detection, scribe line, FOD
- Remote Visual Inspection (RVI)
- Spot weld, structural welds
- Automotive engine, steering, and structural components and castings
- Rail axle, wheel, rail, and engine components
- Electronics inspection
- Engine management solutions
- Radiation detector
- In-line X-ray
- X-ray analysis