RadonTec | PRD Radon Exposimeter for indoor use (1-12 months)

Item number: 10-001A

28,00 €

including 19% VAT. , plus shipping (DHL Warensendung)

FromPrice per unit
227,50 €
527,25 €
1027,00 €
1526,75 €

Shipping time: 1 - 3 workdays


Approved exposimeter for your legally compliant radon measurement at workplaces

Our exposimeters are suitable for legally compliant and legally secure measurements at workplaces in a radon precautionary area according to §§ 127, 128 Radiation Protection Act or within the scope of fields of activity according to Annex 8 Radiation Protection Act.


  • For workplace measurements
  • State recognised & approved
  • Measuring period up to 12 months
  • Safe result
  • Installation instructions included
  • Laboratory evaluation included
  • test report included

In addition, we are an officially recognised provider of radon measurements at workplaces in accordance with §155 of the Radiation Protection Act (BfS-A. 51163/06).

We support you competently, comprehensively and reliably with your mandatory radon measurements at workplaces. Learn more about our offer "Workplace measurements in radon precautionary areas", which guides you through your duties as an employer in a legally compliant and legally secure manner.

The advantages of the RadonTec PRD Exposimeter - workplace measurement

  • Easy to use
  • Meaningful values after 12 months
  • Laboratory evaluation included
  • Legally recognised exposimeter (important for organisations and companies, but also private users such as landlords or tenants)
  • Dosimeters are checked and approved by the Federal Office for Radiation Protection every 2 years.


Scope of delivery: Radon test kit for measurements at workplaces

  • The number of radon dosimeters ordered in radon-proof packaging
  • Easy to understand measuring instructions
  • Radon measurement protocols
  • Analysis as well as result report from the accredited radon test laboratory


Note on the evaluation of the exposimeters

  • Please send your exposimeters in their original packaging including the measuring protocol directly to the ALTRAC test laboratory. You will find the address on the enclosed measurement report.
  • For organisational reasons, you will not receive an acknowledgement of receipt from the test laboratory.
  • The evaluation of the exposimeters can take 3 to 4 weeks, depending on the volume.
  • All exposimeters are stored in a cool and radon-safe place until evaluation, so that your measurement results are not falsified.
  • Your results report, including a recommendation based on your measurement data, will be sent to the email address you provided when you placed your order.


Measurement form passive exposimeter DE

Information on measurement and measurement instructions

Measurement form passive exposimeter DE

Measurment form passive exposimeter EN

Information on measurement and measurement instructions

Measurment form passive exposimeter EN

FAQ (2)

Passive detectors

The actual detector - a plastic film of polycarbonate foil (about 1 to 10 cm² in size and about 0.1 to 1 mm thick) - is located inside the exposimeter. The air containing radon gas diffuses through the housing into the measuring chamber; however, dust, moisture and radon derivatives are retained. The sufficiently high diffusion resistance also prevents the thoron (220Rn; half-life: approx. 56 seconds) from entering the measuring chamber. The radon then decays in the measuring chamber, emitting alpha particles, into its short-lived derivatives, which are also alpha emitters. The alpha particles leave traces in the film, which are recorded and evaluated in the laboratory.

  • Standing open on a table / on a shelf / in a wall unit
  • Hanging in the middle of a room (e.g. from a lamp)
  • Do not place on the floor Keep at least 25 cm distance from walls
  • Do not place at strong heat sources or air currents (draught)
  • Maintain a minimum distance of 1.5 m from windows, external doors, air supply valves and radiators
  • Keep a minimum distance of 0.5 m from exhaust air valves
  • Do not place in damp rooms and inaccessible to small children


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