Volumetric flask DURAN Cl.A 20ml N.S. 10/19 conformity certified

IN (TD) calibrated. With dated batch identification. Declaration of conformity acc. to DIN 12600. With hollow amber glass stopper. Ring mark and graduation in white enamel. According to DIN EN ISO 1042.
For these products batch calibration reports, which are free of charge, can be generated and printed on www.hirschmannlab.com. Additional single calibration reports or DAkkS certificates (former DKD calibration reports) are available.