Page 792 - Radiation Safety
P. 792
Gas-filled Detectors
Ionization Chamber
• Ion chambers are the simplest of all gas filled detectors.
• Best used as photon measuring instruments but can be modified to
monitor for alpha, beta, and even neutron radiation.
• Less sensitivity compared to G-M counter but can be used in high
counting rate situations.
• Have good energy dependence characteristics.
• For most applications, this measurement gives a good approximation of
the effective dose rate to our bodies.
• Eg : Survey meter, cutie pie
