Class A, DURAN®. IN (TC) calibrated. With spout and hexagonal glass base. With dated batch identification. With declaration of conformity acc. to DIN 12600. Main point ring graduation in high-contrast blue graduation, acc. to DIN EN ISO 4788. Batch Certificate of Performance and a DAkkS-Certificate (former DKD Calibration Certificate) are available on request. Class A, DURAN®. IN (TC) calibrated. With spout and hexagonal glass base. With dated batch identification. With declaration of conformity acc. to DIN 12600. Main point ring graduation in high-contrast blue graduation, acc. to DIN EN ISO 4788. Batch Certificate of Performance and a DAkkS-Certificate (former DKD Calibration Certificate) are available on request.