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30 (5,10) CC spherical ionization chamber
The 30 - 3 spherical ionization chamber can be used as a high quality ionization chamber for secondary calibration laboratories for absolute radiation dose measurement, giving accurate spherical volume. From low energy X ray to high-energy photon radiation, they have excellent energy response. It can be used with the dosimeter.
Technical indicators
Product type: atmospheric pressure spherical ionization chamber
Ionization chamber wall: high purity graphite (density: 1.85g/cm3) wall thickness: 3.0mm
Collector: high purity aluminum (99.99%) diameter: 1.1 mm
Application: radiation dose measurement for radioprotection level
Measurement: dose equivalent, radiation amount
Reference radiant substance: 137Cs
Sensitive volume: 30, 3
Sensitivity: 0.8 mu C/Sv
Long-term stability: less than 1.0%/ per year
Energy response: < < + 5% (48keV- 60Co)
Leakage current: < < + 4fA
Operating voltage of ionization chamber: + 200-400V
Energy range: 25keV to 50 MeV
Illuminating field: (2*2) 2... (40*40) 2
The plug of the ionization chamber can be selected by BNC, TNC, etc., and can be completely used in conjunction with PTW and IBA dosimeter.