Patent ID: 9239285
Filing Date: 2016-01-19
CPC Classification: G01N

Claim Text:
1. A flow-through measuring cell comprising: an inlet opening for entry of the fluid, an outlet opening for exit of the fluid, a measurement space located between the inlet opening and outlet opening, a radiation measurement region for measuring the interaction of the fluid in the measuring cell with electromagnetic radiation from outside the measuring cell, the radiation measurement region being bordered by two opposite windows, one of said windows for inlet of the electromagnetic radiation and the other for exit of the electromagnetic radiation, the measuring cell having a positioning range with several operating positions, each of the operating positions defining a different distance between the windows into which the measuring cell can be set without rotation, at least one wall bordering the measurement space, said one wall being flexibly deformable in a direction perpendicular to the plane of each window, and a spacer element outside the measurement space insertable between said windows for fixing the windows at a distance which is dictated by the choice of spacer element.