公开(公告)号：US3555274A

公开(公告)日：1971-01-12

申请号：US3555274D

申请日：1967-04-26

Applicant: NORTH AMERICAN ROCKWELL

Inventor： BAURMASCH LEONARD ,  HARWICK BURTON T ,  MEYER JACK T

IPC: G01F23/288 ,  G01N23/22 ,  G01N23/12

CPC classification number: G01F23/288 ,  G01N23/22 ,  G01N2223/05 ,  G01N2223/1013 ,  G01N2223/202 ,  G01N2223/322 ,  G01N2223/635

Abstract: A radiation measurement instrument for measuring a quantity or mass of material where the instrument has at least a radiation source and radiation detector suitably positioned in the material.