A simple test device for electrometers

Börje Blad, P Wendel, Per Nilsson

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Electrometers used in dosimetric instruments need to be checked regularly in order to measure and maintain the prescribed dose to the patient. This paper describes the function of a simple but accurate test device for electrometers. A number of electrometers have been tested and compared with calibrations performed by the Swedish Standard Dosimetry Laboratory (SSDL). The device can be used to test current, resistance, voltage and charge measurements. The charge can be conducted to the electrometer in different ways, and the input resistance of the electrometer can also be determined. The calibration factors obtained by the device are in good agreement with results obtained from calibrations at the SSDL.
Original languageEnglish
Pages (from-to)2385-2391
JournalPhysics in Medicine and Biology
Volume43
Issue number8
Publication statusPublished - 1998

Subject classification (UKÄ)

  • Radiology, Nuclear Medicine and Medical Imaging

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