Radioactive Aerosols, Air Sampling
MyRIAM : Personal dosimeter for inhalation
The aerosols are collected on a filter using an internal pump, and the collected activity is analyzed using a semiconductor detector (alpha spectroscopy and total beta counting). The influence of naturally occurring radon decay products is fully compensated. A special filter analysis mode enables precise dose determination after exposure without the need for additional equipment. The filter, with a diameter of just 17.5 mm, can be easily archived for evidence preservation.
Weighing just 300 g, the MyRIAM can be worn on the body without restricting freedom of movement. The measuring head, battery, and electronics are housed in a robust metal housing the size of a mobile phone.
The device is capable of signaling dangerous exposures within 60 seconds with an audible and visual alarm. Current dose values, displayed in μSv or mrem, as well as count rates are shown on the illuminated plain text display. The device can operate autonomously for approximately 24 hours; the battery requires approximately one hour to fully charge. Aside from charging the battery and a simple monthly filter change, no maintenance is required.
The integrated data logger allows for the subsequent temporal allocation of significant dose contributions. Communication between the PC and MyRIAM is via an infrared interface included in the scope of delivery.
poCAMon : Portable Continuous Air Monitor
The poCAMon (personal online Continuous Air Monitor) is part of the personal protective equipment used by firefighters and other emergency responders in mines and during environmental disasters. It is ideal for monitoring workplaces in nuclear facilities according to DIN ISO 16639 (VDE 0493-1-6639). The device measures both long-lived aerosols and short-lived radon decay products using alpha spectroscopy and beta counting.
The poCAMon detects when only natural uranium aerosols have been collected and automatically adjusts the dose coefficient. Thanks to dynamic analysis of the spectra shape, the compensation of the natural background works reliably with different filter coverage and aerosol size.
The poCAMon combines an extremely compact design with high airflow and a long battery life. The bright alphanumeric display and clear membrane keypad allow operation even in difficult conditions and with protective gloves. The integrated powerful charge controller fully charges the device within two hours.
Visual and acoustic alarms immediately warn the wearer of dangerously high concentrations. The measurement data can be immediately transmitted to the control center via an optional wireless interface. With an optionally integrated GPS receiver, the location of the measurement data can also be transmitted.
Because the poCAMon is based on our DACM platform, the full functionality of this universal system for integrating various sensors is available (communication, configuration, measurement cycle programming, etc.). The poCAMon is easily integrated into incident command systems.
poCAMon XT : Online extension for existing Air Samplers
The poCAMon XT expands your existing air sampler into an online monitor for continuous air monitoring with an alarm function. The device can be adapted to any air sampler, as shown here in the example, the Radeco HD29A. Only the filter holder needs to be modified accordingly. The device is equipped with a dual detector for dynamic gamma background compensation. The large signal lamps immediately indicate faults or alarm situations. Operation is similar to the standard poCAMon device. The detection limits depend on the set flow rate and the specific design of the filter holder. Contact us for a customized solution.
Aer 5000 : Continuous Air Monitor as a tabletop device
The Aer 5000 continuously monitors the environment for airborne long-lived radioactive aerosols (LLRD). The device is used in nuclear facilities, the NORM industry, mining operations, and nuclear medicine (e.g., according to DIN ISO 16639).
Thanks to its compact design, this handy device is suitable even in confined spaces. The aerosols are drawn in with a built-in pump, deposited on a filter, and analyzed spectroscopically. The natural background radiation caused by ambient radon and gamma radiation is fully compensated.
The Aer 5000 is immediately ready for use after switching on and can be operated by untrained personnel thanks to its intuitive and clearly structured menu navigation via touchscreen.
The device operates very quietly. The free flow of air through the filter with regulated airflow enables uniform and low-loss aerosol separation. The large active filter diameter and the long filter belts used in the stepper belt drive ensure outstanding filter service life.
The unique filter sealing mechanism prevents partial flow around the filter, as occurs with conventional belt filter systems.
The device can optionally be equipped with a vacuum adapter (KF/DN16) for connection to sampling lines. The design of this adapter ensures negligible separation losses. Thanks to the device’s high sensitivity, very low detection limits and alarm thresholds for alpha and beta exposure are achieved.
All parameters relevant for reliable operation are continuously monitored and included in the stored measurement data. A flexible alarm system immediately warns the user if a limit is exceeded or if there is a deviation from normal operation. The light column can be removed from the device and positioned for maximum visibility.
Many options are available for additional sensors/detectors (e.g. NaJ probe with nuclide identification) as well as system integration.
Aer 5400: Online Continuous Air Monitor IP65
The Aer 5400 aerosol monitors continuously monitor the environment for airborne, long-lived radioactive aerosols (LLRD). The devices are used in nuclear facilities, the NORM industry, mining operations, and nuclear medicine (e.g., according to DIN ISO 16639 / VDE 0493-1-6639).
The aerosols are separated onto a filter using a volumetric flow and analyzed spectroscopically. The natural background radiation caused by radon and gamma radiation is fully compensated.
The Aer 5400 is immediately ready for use after switching on and can be operated by untrained personnel thanks to its intuitive and clearly structured menu navigation via touch screen.
The device features an IP65-rated, easily decontaminated stainless steel housing that can be mounted either on a wall or on a trolley. The air inlet, a KF/DN16 connection, is located at the top of the housing. This design minimizes separation losses.
The flow rate is automatically controlled by an electric valve, ensuring uniform aerosol separation. This allows the device to be connected to either a pump (transport trolley) or a central vacuum supply.
The large active filter diameter and the long filter belts used in the stepper belt drive allow for outstanding filter service life. The unique filter sealing mechanism prevents the partial bypassing of the filter, which occurs in conventional belt filter systems.
The Aer 5400 is optionally available with a manually replaceable filter. The filter is quickly and easily accessible, for example, to cut out a contaminated section for further analysis.
All parameters relevant for reliable operation are continuously monitored and included in the stored measurement data. A flexible alarm system immediately warns the user if a limit is exceeded or if there is a deviation from normal operation.
