Burettes, with straight stopcock, DURAN^®, class AS, with PTFE key

Schellbach line for easier reading, declaration of conformity acc. to DIN 12600, with dated batch identification, high-contrast blue graduations, main point ring graduation at major subdivisions, EX (TD) calibrated, acc. to DIN EN ISO 385. Scale length approx. 500 mm.
For those products batch calibration reports, which are free of charge, can be generated and printed on www.hirschmannlab.de. Additional single calibration reports or DAkkS certificates (former DKD calibration reports) are available.