Automatic burettes, SILBERBRAND, class B, 25 ml : 0,1 ml, with intermediate stopcock, lateral stopcock with PTFE key, amber

DIN EN ISO 385. Amber glass, colored Boro 3.3, calibrated to deliver (TD, Ex) and with Schellbach stripe, PTFE key for titration as well as PTFE key for draining residual liquid, automatic zeroing.
25 ml: tolerances comply with class B, DIN EN ISO 385, overall height approx. 70 cm.
50 ml: DIN EN ISO 385, class B. Overall height approx. 95 cm.