Self-zeroing burettes designed to mount on glass bottle with 24/29 joints (sold separately).

• Manufactured from precision bore tubing
• Features amber graduations and Schellbach backing for easy reading of liquid levels

Class A, per ASTM E-287, meets USP standards. Individually serialized and certified. Manufactured from precision bore tubing and calibrated to deliver (TD, Ex) on computer-controlled machines.

Includes a PTFE needle valve stopcock, intermediate stopcock and rubber bellows.