All BLAUBRAND
® burettes, automatic burettes and bulb pipettes are supplied with a batch number and an accompanying batch certificate in the original packaging. On request, they are also available with an individual certificate,
USP individual certificate or DAkkS calibration certificate.
BLAUBRAND
®, class AS, Boro 3.3, DIN EN
ISO 385. DE-M marking. Calibrated to deliver (»TD«, »Ex«). Schellbach-stripe. Automatic zeroing Intermediate. stopcock 4 NS / 19 for recirculating residual liquid. Ring marks at major graduations. Marks and inscriptions in high contrast blue enamel.
Available with needle valve stopcock with
PTFE spindle (
PTFE key in intermediate stopcock) or STJ glass stopcock (glass key in intermediate stopcock).
Supplied without bottle and rubber bellow.