This guide outlines the pipette calibration services provided by Sartorius, focusing on compliance with the ISO 8655 standard for piston-operated volumetric apparatus (POVA). It details various applications, including routine checks, compliance control services, and the prevention of experimental deviations. The document presents a comprehensive range of solutions tailored to meet specific metrology requirements, ensuring accuracy and reliability in laboratory processes. Key features include instant pipette verification, certified training on pipetting practices, and ergonomic setups for efficient operation. The guide emphasizes the importance of maintaining pipette accuracy through regular checks and compliance with established standards. It also highlights the flexibility of Sartorius services, including on-site mobility and externalization of calibration services, ensuring that all customer needs are addressed effectively. Overall, the document serves as a resource for understanding the pipette calibration process and the support offered by Sartorius throughout.