The technology of RadComm radiation detection equipment…

The RadComm brand represents decades of proven product performance and customer support, with more than 7,000 installations in over 70 countries worldwide. RadComm’s unique and innovative approach to designing and supporting customised systems that meet particular customer needs and requirements, has helped established RadComm as the undisputed technological innovators for portal and portable radiation monitors.

RadComm’s use of only laboratory quality components, such as premium grade PVT and components using ‘low noise’ technology ensures a reliable and rugged, state of the art range of equipment suitable for any hostile environment. Customers look to RadComm and to their authorised personnel such as RadCommGB, to recommend the best solution for their application.

RadComm products have the highest detection probability and fewest false alarms

RadComm have developed technology that not only tracks the pulse count rates from the PVT scintillator but also applies a special ‘characterisation’ analysis on each pulse.  This characterisation is used to eliminate any major fluctuations caused by varying densities in loads of scrap metal, along with any atmospheric changes that might affect a reading. In simple terms, this eliminates errors and false alarms which can  slow down traffic. A similar technique is used in gamma ray spectroscopy where a  sodium iodide scintillator is used.

Characterisation is a signal processing technique that focuses on real-time system noise cancellation, correction of ambient background variations, via a four stage process:

1. Reduction of electronic ‘noise’ by keeping front end electronic circuitry to an absolute minimum;

2. Every pulse is analysed utilising an advanced signal discrimination with a zero lower level discriminator. These signals are cleared of electronic noise, random fluctuations associated with noise and shaped for the third stage.

3. Differentiation of random events from coincidental occurrences using pulse discrimination techniques that differentiate random events from coincidental occurrences in the incoming pulses from the scintillator.

4. Background correction is performed automatically every sample period, using the pulses from the scintillation material and the ambient background radiation analysis. This technique of background correction is extremely important especially when ambient background radiation level is high, when there are large atmospheric changes and when the contents of a shipping container vary in density. This allows the setting of extremely low alarm thresholds and minimises the impact of false alarms.

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RadComm: The Future of Radiation Detection Technology


RadCommGB Ltd, Units 1 - 4, The Forge, Clensmore Street,  Kidderminster, Worcestershire. DY10 2JS.           01562 824406.             Info@radcommgb.com