Burette made of borosilicate glass 3.3, tolerances according to DIN ISO 384 Class B, with high-contrast black markings. Calibrated to deliver "Ex". Automatic zero setting. The burette stopcock turns easily and enables fine titration. The holding device for the riser pipe serves as additional shock-proofing.
Materials: burette of borosilicate glass 3.3, PP filling tube, PMP/PTFE burette stopcock, and PE-LD reservoir bottle.