กระบอกตวงแก้ว , ยี่ห้อ Isolab
Manufactured from heat resistant durable borosilicate glass according to DIN EN ISO 4788 standard. Calibrated according to DIN/ISO Class A standard. Featured with a conformity mark according to German federal weights and measures regulations. Individual calibration carried out by automatic robots eliminate possible deviations from nominal values. Conformity mark and batch number printed on the body surface. Batch certificate can be downloaded from website. Inscriptions on the cylinder body are printed with blue enamel. Flawless spout design assures pouring without any drips. Hexagonal base with strengthened knobs ensures increased stability.