Radon measuring devices - An overview

Numerous radon measuring devices are available - differing in the kind of the measuring system, in sensitivity and in handling. Each device is characterized by advantages and disadvantages. These have to be evaluated depending on the purpose, for which the instrument is used.

The following table gives an overview of common radon measuring devices, distributed by other companies. This list is not exhaustive, all informations (last update: May 2004) are investigated to the best of our knowledge.

device	manufacturer	price	measuring method
E-PERM Introductory Kit	Rad Elec Inc. (USA)	approx. 3 000 US-$	Electret
AlphaGUARD-Radon Monitor PQ 2000 Pro Continous Radon Monitor   CRM-510 Continous Radon Monitor   CRM-510LP Continous Radon Monitor	Genitron (Deutschland) RTCA (USA)   F & J Specialty Products, Inc. (USA)   F & J Specialty Products, Inc. (USA)	approx. 9 700 € approx. 2 200 US-$ approx. 5 100 US-$ approc. 5 600 US-$	ionization chamber ionization chamber   ionization chamber   ionization chamber
ERS/RM Radon Monitor   LCD-ARDM-Plus   LCD-BWLM-Plus   RAD7 Professional Radon Detector	Tracerlab GmbH (Germany)   Tracerlab GmbH (Germany)   Tracerlab GmbH (Germany)   Durridge Company (USA)	approx. 9 500 €   approx. 9 400 €   approx. 9 250 €   approx. 4 950 US-$	silicon semiconductor silicon semiconductor silicon semiconductor silicon semiconductor
AB-4 Radon Monitor   AB-5 Radon Monitor   CRM-1   CRM-2   Extraction System   Radon Monitor MR 1   TM372 Sample Counter	Pylon (USA)   Pylon (USA)   Pylon (USA)   Pylon (USA)   Storm King Associates (USA)   Tesys (Italien)   Env. Instr.Inc. (Canada)	approx. 8900 US-$ approx. 8 080 US-$ approx. 22 000 US-$ approx. 19 000 US-$ approx. 6 800 US-$ approx. 5 300 €   approx. 3 800 CAN-$	Lucas cell   Lucas cell   Lucas cell   Lucas cell   Lucas cell   Lucas cell   Lucas cell

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