New method of proportional counter feedback biasing for wide-range radiation dose-rate monitors
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:6209854
A prototypic wide-range radiation dose-rate monitor for civil defense applications has been developed and tested. The specified dose-rate range (0 to 500 R/h) was displayed on a single readout scale by using feedback-controlled biasing of a proportional counter. This new method is based on controlling the avalanche multiplication factor (gas gain) of the counter by varying its bias voltage in response to its measured output current (i.e., detected dose rate). The counter output current varies between 0 and 1.5 nA in a quasilogarithmic response to dose rates between 0 and 500 R/h. The corresponding values of gas gain and bias voltage range from 1 to 300 and 200 to 1900 V respectively.
- Research Organization:
- Oak Ridge National Lab., Oak Ridge, TN
- OSTI ID:
- 6209854
- Report Number(s):
- CONF-841007-
- Journal Information:
- IEEE Trans. Nucl. Sci.; (United States), Vol. NS-32:1; Conference: Nuclear science symposium, Orlando, FL, USA, 31 Oct 1984
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
DOSE RATEMETERS
FEEDBACK
PROPORTIONAL COUNTERS
RADIATION MONITORING
ELECTRONIC CIRCUITS
EV RANGE
GAMMA DETECTION
MULTIPLICATION FACTORS
RADIATION MONITORS
READOUT SYSTEMS
DETECTION
ENERGY RANGE
MEASURING INSTRUMENTS
MONITORING
MONITORS
RADIATION DETECTION
RADIATION DETECTORS
440102* - Radiation Instrumentation- Radiation Dosemeters
DOSE RATEMETERS
FEEDBACK
PROPORTIONAL COUNTERS
RADIATION MONITORING
ELECTRONIC CIRCUITS
EV RANGE
GAMMA DETECTION
MULTIPLICATION FACTORS
RADIATION MONITORS
READOUT SYSTEMS
DETECTION
ENERGY RANGE
MEASURING INSTRUMENTS
MONITORING
MONITORS
RADIATION DETECTION
RADIATION DETECTORS
440102* - Radiation Instrumentation- Radiation Dosemeters