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The high pressure ionization chamber is widely used in environmental gamma radiation monitoring. The 8L spherical ionization chamber is filled with 25 atmospheres argon as detector. It has the advantages of high sensitivity, good energy response and good stability. It is especially suitable for environmental gamma background measurement and low level gamma radiation measurement.
For the purpose of different measurement requirements, up to 50 on-line monitoring points can be achieved by distributed network monitoring and portable measurement of single instrument. Using advanced electronics measurement technology, 5.2 inch large LCD screen display, graphical operating interface, automatic acquisition of measured data, real-time display of environmental gamma radiation dose rate, can set alarm threshold. When the dose rate of environmental gamma radiation exceeds the alarm threshold, automatic sound alarm, real-time display of the working condition of the probe can be displayed. The result of measurement can automatically generate tables for measuring results in any time period.
Range: 1 x 10-8Gy/h ~ 1 x 10-3Gy/h; sensitivity: >2.6 x 10-6 A/ (Gy/h); energy response: the difference between 50kev to 3.0Mev relative response < + 30% (relative to 137Cs reference source); stability: 1%; linear: within range of better than 0.5%; long-term stability of the whole machine: better than 3%