SERVICES OFFERED

RadonStar offers a calibration service for radon-222 air activity concentration measurement devices. The calibration service is organized according to a predefined calendar of radon calibration sessions. Each session is dedicated to a specific group of radon measuring instruments. At the moment, RadonStar offers predefined calibration sessions for the instruments below. For other types of instruments, please fill out a Special Calibration Request form.

 

– Category A instruments

 CORENTIUM PRO and CORENTIUM PLUS (AIRTHINGS)
 – Verification of the instrumental background
 – Calibration on 3 reference points (500– 1000 – 5000 Bq/m3)

The first step is the verification of the instrumental background inside a special chamber with a controlled nitrogen atmosphere. Instruments are then positioned in the calibration chamber into which the right amount of radon activity is injected so that the atmosphere reaches a concentration equal to the level for the first calibration point. When the equilibrium is reached (about 2 hours), the calibration will be carried out on a sampling time of 12 hours. After this period, the right amount of radon activity is injected into the calibration chamber so that the atmosphere reaches a concentration equal to the level for the second calibration point. When the equilibrium is reached (about 2 hours), the calibration will be carried out on a sampling time of 12 hours. After this period, the right amount of radon activity is injected into the calibration chamber so that the atmosphere reaches a concentration equal to the level for the third calibration point. When the equilibrium is reached (about 2 hours), the calibration will be carried out on a sampling time of 12 hours.

– Category B instruments

RADONEYE and RADONEYE PLUS (FTLAB)
 – Verification of the instrumental background
 – Calibration on 2 reference points (500– 1000 Bq/m3)

ECOCUBE (ECOSENSE)
 – Verification of the instrumental background
 – Calibration on 2 reference points (500– 1000 Bq/m3)

The first step is the verification of the instrumental background inside a special chamber with a controlled nitrogen atmosphere. Instruments are then positioned in the calibration chamber into which the right amount of radon activity is injected so that the atmosphere reaches a concentration equal to the level for the first calibration point. When the equilibrium is reached (about 2 hours), the calibration will be carried out on a sampling time of 12 hours. After this period, the right amount of radon activity is injected into the calibration chamber so that the atmosphere reaches a concentration equal to the level for the second calibration point. When the equilibrium is reached (about 2 hours), the calibration will be carried out on a sampling time of 6 hours.

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