R L Dixon 1974 Phys. Med. Biol. 19 206 doi:10.1088/0031-9155/19/2/007
R L Dixon
Show affiliationsThe Victoreen, Model-555 Radocon, integrating dose rate meter has found wide use in medical radiation dosimetry, particularly for the measurement of relative doses or dose rates in radiation therapy such as tissue-air ratios, percentage depth dose, etc. Since the output voltage of the unit exhibits excellent linearity with exposure, it is possible to measure relative exposures over a decade to an accuracy of +or-0.2% using a digital voltmeter (DVM). A plug-in DVM module, which can be used interchangeably with the 'timer-trip' plug-in module, and which requires negligible internal modification of the 555 was therefore constructed and is described.
Issue 2 ( 1 March 1974)
R L Dixon 1974 Phys. Med. Biol. 19 206
Dror Givon et al 2004 Nonlinearity 17 R55
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