Construction for photometric analyzer

Continuous particulate-measuring apparatus using an optoacoustic

Correlation spectrometer having high resolution and multiplexing

Data compression system for a photometer

Determination of light absorption pathlength in a...

Determination of light absorption pathlength in a...

Device for and method of forming an image of a turbid medium

Device for indicating fibre length distribution of a fibre sampl

Device for measuring the composition of fluids, in particular th

Device for the non-dispersive optical determination of the conce

Enhanced system for transmission loss comparison

Exhaust gas particle sensor

Fiber optic transmissometer

High performance absorbance detector with flashlamp and compact

Imaging of a turbid medium

Immersible probe for optical dual beam-measuring apparatus

In-situ detection and analysis of methane in coal bed...

Ink concentration measuring and control and control circuit

Laser optical density measurement system

Light beam measurement of absorption by substrates