The Dosimetry Company
The use of ionizing radiation for diagnostic and therapeutic purposes is an integral part of today’s medicine. Since the discovery of X-rays by Wilhelm Röntgen in 1895, scientific and technological progress has led to better diagnostic testing and safer radiotherapy treatments.

As a pioneer in medical radiation measurement, PTW has always been – and will continue to be – at the forefront of advancing patient safety through innovation and cutting-edge measurement technology.