Automatic Burette, SILBERBRAND, Class B, 25 : 0.05 ml, Boro 3.3, amber, interm. stopcock, lateral stopcock, PTFE spindle, no bottle

Automatic burette Pellet pattern with automatic zeroing, for joints NS29/32, Needle-Valve stopcock with PTFE spindle, Intermediate PTFE stopcock.
Please order reservoir bottle and rubber bellows separately.

Borosilicate glass 5.4. 25 ml: Error limits according to class B, DIN EN ISO 385. 50 ml: DIN EN ISO 385, Class B. Interchangeable keys. Calibrated to deliver (TD, Ex). With PTFE-key in the titration and intermediate stopcock. Automatic zeroing. Intermediate stopcock to recirculate residual liquid.