Title:
GAS DENSITOMETER
Document Type and Number:
Japanese Patent JPS53105286
Kind Code:
A
Abstract:
PURPOSE: To automatically correct span and drift and obtain stable measurement accuracy by providing a standard light source, shutters, a phase detector, an automatic gain control circuit, etc., and making light detection signals constant.
Inventors:
NORO KOUHEI
Application Number:
JP1987377A
Publication Date:
September 13, 1978
Filing Date:
February 25, 1977
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
G01N21/76; G01N21/27; (IPC1-7): G01N21/00