Radiation monitor, 'X-ray Monitor Model 2025', metal / plastic, made by Radcal Corporation, Monrovia, California, United States of America, 1997
The x-ray monitor is housed in a hard black carry case. Inside is a monitor, power cord, and two accompanying ion cambers. The monitor is a beige colour and has a readout screen, three black switches and five red lights on the front of it. The probes both have beige chambers with extending probes attached, one a pancake type probe and one a rod type probe.
This radiation monitor is a portable instrument designed for verifying proper operation of diagnostic x-ray machines, fluroscopes and other radiation sources. The monitor uses an air-equivalent ion chamber with uniform response over a wide energy range in conjunction with a current-to-frequency converter and digital processing techniques to measure exposure rate and exposure.
The unit feature portable operation with battery life time exceeding 1000 operating hours before replacement. The machine provides for the 'quick check' needs of a hospital without demanding in depth training in the use of quality assurance equipment.