When volumetric sampling is paramount the SIS sampler fits the bill. With syringes ranging from 0.5 to 25 ml and a precision stepper motor with over 25000 steps per pull the SIS sampler is a perfect addition to the family of modular instruments. It is specifically suited to applications in the pharmaceutical industry such as USP <788> small and large volume injectables. Now available for use with the AccuSizer 780/SIS is 21 CFR Part 11 compliant software, calibration and validation SOPs.