phototube photometer

... box photometer 盒式光度计 ; 盒形光度计 phototube photometer 光电管光度计 spot photometer 油斑光度计 ...

 photocell light meter

... 福伊泽克光电光度计 Foitzik photoelectric photometer 光电管光度计 phototube photometer ; photocell light meter 光电分光度计 photoelectric spectro photometer ...