Refractometer
AssigneeMettler-Toledo AG
InventorsChristian Forrer, Erwin Bossart, Félix Bécheiraz
Life of this patent
Estimating the term…
Abstract
A refractometer has a housing (1), a measurement cell (8) arranged in the housing (1), and a lid unit (2). The lid unit has a base plate (3) with a cutout (7) allowing access to the measurement cell, and a lid (4) for covering the measurement cell. The lid is connected to the base plate by way of a hinge. The lid unit also has a lid insert (11, 17, 18, 28, 31, 35, 39) that is arranged replaceably in the lid. The lid unit (2) is detachably connected to the housing by means of a connecting element that is itself connected to the base plate.
Claims19
A refractometer, comprising:
- a housing;
- a measurement cell, arranged in the housing, in which is received a sample to be measured;
- and
- a lid unit, the lid unit comprising:
- a base plate, a cutout therein allowing access to the measurement cell of the refractometer;
- a lid for covering the measurement cell;
- means for hingedly connecting the lid to the base plate;
- and
- a lid insert, replaceably arranged in the lid;
- and
- a connecting element that detachably connects the lid unit to the housing by connecting the housing to the base plate.
A lid unit, connected to a refractometer housing in which a measurement cell is arranged, comprising:
- a base plate, a cutout therein providing access to the measurement cell;
- a lid for covering the measurement cell;
- means for hingedly connecting the lid to the base plate;
- and
- a lid insert, replaceably arranged in the lid.
Dependencies are inferred from the claim text.