Fully autoclavable bottle top dispenser with a volume range of 10 – 100ml. Individually calibrated and certified in an ISO 17025 accredited laboratory in accordance with ISO 8655 standards. A factory calibration certificate is provided. Five adapters are included with each unit for use with a wide range of bottle sizes. All wetted parts are made from PTFE and borosilicate glass for maximum chemical resistance. Suitable for all laboratory applications except hydrogen fluoride. Special precautions must be taken for use, cleaning, and storage when working with concentrated fuming acids. Easy to disassemble, and can be recalibrated in the lab.