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Contamination Products

STS Universal Smart Probe

Simulated Contamination Probe

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The STS Simulation SmartProbes consist of a simulated  probe housing STS electronics and cable connector so that it will operate with a real radiation meter. This probe detects the gas given off by the STS simulant, which has been applied to the surface to be monitored. This “radiation” may be detected by passing the probe close to and slowly over the surface, as would be done with a real probe when used by a skilled operator. Too fast, or too far away results in no detection – excellent training!

The Smart Probes uniquely turn themselves on when the instrument is switched on. Cross contamination can easily be demonstrated to Nuclear industry trainees, as can decontamination – both benefits of using a “real” contamination, even if not radioactive.
The contamination lasts at room temperature for 1-2 hours but totally evaporates within 24hrs leaving the training area ready for the next exercise.

The Probe is currently available in several variants of cylindrical 44A /43-2-2 style and Dp6/BP19/43-93 Large area probe styles.

Where a smaller probe is desired such as a frisking probe (HP260/44-9,HP12) the STS Training Simulator Smart Interface may be used. This box houses all the circuitry and power management rather than them being in the probe. The box has two connectors - one to the STS simulated probe eg. HP260, and the other to the host instrument eg. Ludlum model 3.

Both the Smart Probe and the Interface box are available for connection to the Thermo Mini 900, Thermo Electra, Automess 6150AD, Ludlum Model 3, Ludlum Model 3000 and Canberra Mip10D. Other interfaces can be made available on request.


STS manufacture a wide range of simulators for many manufacturers products. We are happy to consider your specific requirements.

Our products are all manufactured in the UK.

Contact us for a quote or to find your nearest distributor.

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