BRAND GMBH + CO KG: Graduation/Calibration

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Graduation

Graduation: ring marks at major graduations
Volumetric instruments of class A/AS are within the error limits defined by DIN and ISO and are according to DIN 12 600 admissible for conformity certification.

BLAUBRAND®
Marks and inscriptions in high contrast blue enamel. It represents the optimum combination of resistance and readability.

BLAUBRAND® ETERNA
Marks and inscriptions in ETERNA amber stain. It diffuses into the glass surface and can only be removed by abrasion. It is used for volumetric instruments which are subjected to particularly aggressive cleaning methods.

Graduation: short graduation marks
Volumetric instruments of class B are within twice the error limits for class A/AS as defined by DIN and ISO.

SILBERBRAND
Marks and inscriptions in high contrast white enamel.

SILBERBRAND ETERNA
ETERNA marks and inscriptions in amber stain are particularly resistant to aggressive cleaning methods.

Calibration

Every glass volumetric measuring instrument is individually calibrated. Computer-controlled systems ensure maximum precision in a fully automated production line.

'Statistical Process Control' (SPC) guarantees production of volumetric instruments with the smallest deviation from nominal capacity (accuracy) and narrow scatter of individual values (coefficient of variation).

'TC, In':
The contained quantity of liquid corresponds exactly to the capacity indicated on the instrument (e. g., graduated cylinders and volumetric flasks).

'TD, Ex':
The delivered quantity of liquid corresponds exactly to the capacity indicated on the instrument (e. g., pipettes and burettes).

Titel: Graduation/Calibration

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