ATMOS®: Radon ‘sniffer’
ATMOS® is used to identify the main entry point into a building for soil air containing radon. In order to ensure the right results during, for example, an inspection, it is essential to use a sniffer with a rapid yet accurate measurement capability. For this, an instrument with excellent detection sensitivity and a rapid response time that also generates plenty of raw data is required. In order to avoid contamination of the long-lived radon progeny in the measurement chamber, ATMOS® is equipped with an active pump, an alpha-spectrometer, and its so-called pulsed ionisation chamber enables it to conduct measurements quickly and accurately.
MARKUS®: Soil radon detector
A soil radon detector is used to measure the presence of radon in soil air at a depth of 70-100 centimetres. Measurement is performed using a probe (a skewer-like pipe) that is inserted into the soil. The instrument needs to ensure discrimination of long-lived radon progeny in order to eliminate the background from polonium-214, which has a half-life of approximately 30 minutes. MARKUS® eliminates the contribution from polonium-214, meaning there is no need to wait 2-3 hours before performing the next measurement. With MARKUS®, the waiting time between measurements is just 18 minutes (six half-lives).
As soil measurement is conducted outdoors, it’s important to choose a robust instrument with a long battery life that can cope with field conditions. It is also important to consider the very high radon levels that may be present in the ground, and therefore an instrument calibrated to accurately measure these. MARKUS® possesses all these features.
SPIRIT®: Radonlogger
Our SPIRIT® logger is predominantly used in connection with radon control measures. The aim is to log the temporal variation in radon levels over longer periods and monitor how effective a remedial measure is. The requirements for temporal resolution govern how sensitive the instrument has to be in order to be able to statistically ensure the result and minimise errors at each measuring point in the time range. The recommended temporal resolution is normally 1-2 hours.
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SPIRIT® Radonlogger: high-precision radon measurement for homes, schools, and workplaces
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ROBIN®: Ventilation system sensor
Our ROBIN® radon sensor is a permanent installation used to establish a connection with existing ventilation control systems. It’s most commonly used in properties that house workplaces, but can also be used in ‘smart’ homes. ROBIN® produces a digital or analogue output signal that is directly proportional to the radon level detected, and is sufficiently accurate to quickly indicate when concentration exceeds the reference level. ROBIN® can also be integrated into air treatment systems or exhaust fans: the sensor can, for example, be connected to a regulator, CPU, data logger, fan control or an industrial PLC. The sensor also possesses sufficient electromagnetic interference immunity, enabling it to be used with thyristor controllers.
