NEMA PET Scatter Phantom,NEMA PET散射模体产品规格 在散射的情况下对闪烁相机的计数率性能进行标准化* 是一个坚实的正圆高密度聚乙烯圆筒 平行于圆柱体中心轴线的可填充线源支架偏移距离为4.5厘米 气缸由四个部分组成，便于携带/存放 外径： 203厘米 长度： 70厘米 孔尺寸： 6.4 mm 偏移距离： 4.5厘米 线源插入：长度：80厘米; 内径：3.2mm; 外径：5mm
NEMA PET Scatter Phantom,NEMA PET散射模体主要应用： NEMA标准验收测试 确定影像系统对散射辐射的相对灵敏度度 测量线源在不同活度水平下产生的死时间影响和随机事件影响
NEMA Scatter Phantom SET Model ECT/NEM-SC/P
Main Features: The NEMA Scatter Phantom Set is designed in accordance with the recommendations by the National Electrical manufacturers Association (NEMA) to standardize the measurement of count rate performance of a scintillation camera in the presence of scatter* Is a solid right circular high density polyethylene cylinder Has a fillable line source holder parallel to the center axis of the cylinder and offset a distance O. D. 4.5 cm The cylinder is made of four sections for ease of carrying/storage
Main Applications: Acceptance testing with NEMA standard Determine the imaging systems relative sensitivity to scatter radiation Measure the effects of dead-time and the effects of random events generated at different levels of activity of the line source
Specifications: Outside diameter: 203 cm Length: 70 cm Hole size: 6.4 mm Offset distance: 4.5 cm Line source insert: Length: 80 cm I.D.: 3.2 mm C.D.: 5 mm
