Hans Krause

Method and apparatus for measuring the optical absorption of samples

Measurement cell for gas thermal conductivity analyzer has sample channel with parallel main bores and parallel adjacent bores penetrating casing

Absorption spectrum analyser for gas analysis - has transparent wall between measuring chamber and reference chamber, and intermediate variable slit

Microrheoscopic detector for gas flows

Radiation chopping arrangement.

Explosion-proof control arrangement with explosion-proof housing

Measuring device for determining proportion of paramagnetic gas in gas current, has light paths enveloping tubes, which are arranged between light source and window, and between window and photodetectors

Measuring cell for measuring device for determining proportion of paramagnetic gas in gas stream, has inlet and outlet comprising openings that are formed such that uniform gas flow between inlet and outlet is permitted in flow chamber

Explosionssichere Steueranordnung mit einem explosionssicheren Gehäuse

Verfahren und vorrichtung zur messung der optischen absorption von proben