NEMA PET Scatter Phantom,NEMA PET散射模體產(chǎn)品規(guī)格 在散射的情況下對(duì)閃爍相機(jī)的計(jì)數(shù)率性能進(jìn)行標(biāo)準(zhǔn)化* 是一個(gè)堅(jiān)實(shí)的正圓高密度聚乙烯圓筒 平行于圓柱體中心軸線的可填充線源支架偏移距離為4.5厘米 氣缸由四個(gè)部分組成，便于攜帶/存放 外徑： 203厘米 長度： 70厘米 孔尺寸： 6.4 mm 偏移距離： 4.5厘米 線源插入：長度：80厘米; 內(nèi)徑：3.2mm; 外徑：5mm
NEMA PET Scatter Phantom,NEMA PET散射模體主要應(yīng)用： NEMA標(biāo)準(zhǔn)驗(yàn)收測試 確定影像系統(tǒng)對(duì)散射輻射的相對(duì)靈敏度度 測量線源在不同活度水平下產(chǎn)生的死時(shí)間影響和隨機(jī)事件影響
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 perbance 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
