Hirschmann^® burettes, straight PTFE valve stopcock, Class AS 

Conformity certified with dated batch identification. Calibrated to deliver (TD, EX) according to DIN 12 700 T2. Schellbach stripe for easier reading. High contast blue graduations, main point ring graduation.
Hirschmann supplies class A and AS volumetric glassware with a batch sign and the indication of the production year as standard at no additional charge. Therefore these measuring instruments are suitable for the use in laboratories certified DIN ISO 9000

Hirschmann is a registered trademark of Hirschmann Laborgeräte GmbH & Co.