Automatic burettes, borosilicate glass 3.3, class AS

Supplied with an automatic zeroing system, VALVE stopcock and also an intermediate PTFE stopcock to recirculate the residual liquid. Inscriptions and graduations are printed either with blue enamel or amber stain diffusion ink. Clear burettes are manufactured with schellbach stripe. Other technical specifications are exactly the same as other types of burettes.
Capacity 25 ml
Graduations 0,05 ml
Tolerance 0,030 ± ml