Automatic zero burette 265 series

with straight valvechemical-resistant

Burettes acc. to Daffert • made of borosilicate glass 3.3 • in compliance with DIN EN ISO 385 • very good chemical resistance • minimal thermal expansion • high resistance to thermal shocks • with automatic zero adjustment • calibrated ”Ex” (to deliver) • class AS (fast delivery, circular graduation at main points) • with blue graduation and Schellbach stripe at the back of the instrument. This stripe facilitates reading precisely the meniscus of a liquid. • double oblique bore stopcock with ground joint PTFE plug for convenient change between filling and titrating • 4 pieces in a sturdy carton