PYREX® 25 mL Reusable Glass Measuring Pipets, TD, Serialized/Certified, Class A, Color-Coded, Colored Markings

These reusable 25 mL PYREX® pipets are calibrated to Class A tolerances in accordance with ASTM E-542, and ASTM E-1293. Each pipet is individually serialized and comes with an accessible Certificate of Identification and Capacity, traceable to NIST standards (available online). Calibrated "to deliver" (TD) their total capacity without blow-out. Color-coded by size for easy identification. Colored graduations are enameled onto the glass. The top end is constricted (Mohr type).

Tested and calibrated in an ISO/IEC 17025 certified laboratory.