Adjusted for Ex Burette made of borosilicate glass 3.3 Sturdy stand Precise discharge jet, allowing very fine drops Parts in contact with the medium: PE, PP, natural rubber, borosilicate glass Resistant to chemicals Blue ring graduations (Colordur) Left or right hand operation possible Burette with Schellbach stripes type Schilling / Bürkle with original Bürkle dosing armature. Precise dosing using the press button, exact fine titration with the micro-screw and precise discharge jet. Graduation according to Category B (Tolerances according to DIN EN ISO 385).