电离室 井型电离室

The chamber is designed for High-precision dosimetry in Radiation therapy

Specifications（规格）

Volume（体积）  0.02cm3

Response（响应）  2∙10-8C/Gy

Leakage（漏电流）  ±4∙10-15A

Polarizing voltage Maximum（极化电压）  300V

Cable length（电缆长度）  20m

Wall material  Graphite(C), thickness（室壁厚度）  0.4 mm

Protect cap  material（保护帽材料）   PMMA(C5H8O2),

Wall density（壁密度）  1.7 gm/cm3(C)

Electrode Aluminum（收集极）, 1.0mm Ø, 22 mm long

Nominal useful range（使用范围） 30kV to 50 MeV

Range of temperature（温度范围） 10° to 40 °C

Range of relative humidity（相对湿度范围） 10% to 80%