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The cylindrical pen CT ionization chamber can be used to measure the dose length product parameters of CT machine with CT dose motifs.
The length of the ionization chamber is 10cm, and there is a good consistent response in the whole measurement length. Typical measurements are CTDI1 and CTDIW2, that is, dose length product, which meets the requirements of IEC 61223-2-6.
Product type: atmospheric pressure pen ionization chamber, in line with IEC 61223-2-6 medical CT imaging evaluation and routine test requirements.
Ionization chamber wall: PMMA coated graphite wall thickness: 1mm
Collector: the outer diameter of the aluminum tube: 3mm, inner diameter: 2mm
Application scope: dose measurement of CT
Measurement: product of air specific energy length, product length of exposure length
Reference radiation quality: 120 kV, HVL 5 mm Al (RQR9 specification)
Sensitive volume: 3.14, 3
Long-term stability: less than 1.0%/ per year
X energy response: less than 4%
Leakage current: < < + 10fA
Operating voltage of ionization chamber: + 100-400v
Energy range: (70-150) kV
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.