Harwell Dosimeters are the dosimeter specialists – and our experienced team has produced this FAQ document to answer queries regarding dosimeters and dosimetry. If you have a question you believe should be answered in the FAQ, please contact us.
If you have any questions about our products such as how they work and what they achieve, this is a good place to start. If your questions are not answered here, feel free to contact [...]
We buy in carefully specified raw materials. Subsequent processes and quality control are all in-house with the exception of the blister packaging required for the alanine dosimeter 'Radspin'.
We recommend that the dosimeters are stored in the temperature range 20±5°C, because we have long-term experience of that range in our own facilities. Humidity is of no concern, as the Perspex is protected by [...]
The minimum requirements are: Spectral slit width maximum 2nm WavelengthRequired range: The full uv / visible range is normal but at least 400 to 700 nm Accuracy ± 1 nm Precision ± 0.5 nm Photometric [...]
Dosimeters are devices which register doses of radiation. Dosimeters are typically made of small pieces of radiation-sensitive material which change when irradiated. By measuring the property which changes, for example colour, using a spectrophotometer, the [...]
Harwell Dosimeters produces high-quality dosimeters mainly for use in the sterilisation of medical devices. Two types - Red 4034 and Amber 3042 - are made from radiation-sensitive poly-methylmethacrylate (pmma) in the form of optically transparent [...]
Harwell Dosimeters is one of a number of companies which evolved from UKAEA. We are located on the Harwell campus, which we share with technical companies old and new, large and small.