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Carrying-out of calibrations of therapy level dosemeters in terms of the absorbed dose to water for external customers

Inquiries concerning calibrations
For the calibration of a therapy level dosemeter in terms of the absorbed dose to water at 60Co radiation, an informal request for calibration is to be submitted to the working group leader 6.21 of PTB. The inquiry should specify the kind and the scope of the calibration(s) to be carried out and details of the dosemeter(s) to be calibrated. In response information will be provided on the time and estimated costs of the calibration and who should be contacted for further steps.

Procedure after acceptance of the calibration order
Once the order has been placed the customer will receive a confirmation and he should send the equipment to the person in charge at PTB, where the equipment will be calibrated in compliance with the specifications of the order. After calibration, the dosemeter will be returned to the customer together with a calibration certificate which states the calibration factor and its uncertainty as well as the reference and calibration conditions.

Calibration costs
The customer will be invoiced for the calibration costs in compliance with the Kostenverordnung für Nutzleistungen (Regulations governing charges for services rendered by PTB). Average fees have been fixed for typical calibrations of dosemeters (the average fee currently valid for calibrations1).


1Statement of the resulting costs is not binding. In the individual case, the costs actually incurred may deviate from those stated here in case of unforeseen complication.