发明名称 |
Optical absorption analyzer |
摘要 |
An optical absorption analyzer for determining the concentration of low concentration components of a sample gas. Inexpensive voltage to frequency converters, up/down counters, and integrators are used to obtain a high accuracy determination which is independent of fluctuations in the strength of the light source used in the analyzer.
|
申请公布号 |
US4525069(A) |
申请公布日期 |
1985.06.25 |
申请号 |
US19820371484 |
申请日期 |
1982.04.23 |
申请人 |
HORIBA, LTD. |
发明人 |
TANAKA, MASARU;NOGUCHI, NAOKI;YOSHINO, KENJI;SAITOH, OSAMU |
分类号 |
G01N21/17;G01J1/16;G01N21/27;(IPC1-7):G01N21/61 |
主分类号 |
G01N21/17 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|