Automatic burettes, glass, Schilling pattern, boro 3.3, class B, amber

Silberbrand. Tolerances to class B, DIN EN ISO 385. Borosilicate glass 3.3 burette. PVC filling tube and silicone outlet tubing. LDPE reservoir bottle with HDPE base. Brass / PP micrometer screw. Graduations and inscriptions are in highly contrasting black enamel. With Schellbach stripes. Squeezing of bottle allows rapid filling. Fine titration is easy using the micrometer screw. Coarse titration is achieved by removal of the micrometer screw and using the push button. Calibrated to deliver (EX).