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.
, class AS, DE-M marking. AR-Glas®
. DIN EN ISO 648. 1 Mark. Calibrated to deliver (TD, »Ex«). Waiting time 5 s. Ring mark and inscriptions in high contrast blue enamel.