公开(公告)号：US3561878A

公开(公告)日：1971-02-09

申请号：US3561878D

申请日：1967-12-21

Applicant: KIESS INSTR INC

Inventor： KIESS RAYMOND W

IPC: G01N21/25 ,  G01J1/42 ,  G01J3/48

CPC classification number: G01N21/253

Abstract: A DIRECT READING COLORIMETER FOR CHEMICAL ANALYSIS IS PROVIDED WITH A PLURALITY OF METER SCALES AND A PLURALITY OF COLOR FILTERS WITH INTERLOCKING MEANS FOR AUTOMATICALLY SELECTING THE SCALE AND FILTER APPROPRIATE TO THE SPECIFIC ANALYSIS TO BE PERFORMED.

公开(公告)号：US3676007A

公开(公告)日：1972-07-11

申请号：US3676007D

申请日：1971-02-09

Applicant: KIESS INSTR INC

Inventor： KIESS RAYMOND W

IPC: G01N21/25 ,  G01J1/42 ,  G01J3/48

CPC classification number: G01N21/253

Abstract: A DIRECT READING FILTER PHOTOMETER FOR CHEMICAL ANALYSIS IS PROVIDED WITH A PLURALITY OF METER SCALES AND PLURALITY OF COLOR FILTERS WITH INTERLOCKING MEANS FOR AUTOMATICALLY SELECTING THE SCALE AND FILTER APPROPRIATE TO THE SPECIFIC ANALYSIS TO BE PERFORMED.

公开(公告)号：DE2306285A1

公开(公告)日：1973-09-20

申请号：DE2306285

申请日：1973-02-08

Applicant: KIESS INSTR INC

Inventor： KIESS RAYMOND W ,  STEWART PETER H

IPC: G01N21/25 ,  G01N21/24

公开(公告)号：CA980147A

公开(公告)日：1975-12-23

申请号：CA163059

申请日：1973-02-07

Applicant: KIESS INSTR INC

Inventor： KIESS RAYMOND W ,  STEWART PETER H

IPC: G01J3/50 ,  G01N21/25 ,  G01N21/27 ,  G01N21/77