Profile: Bio-Tek Services, Inc. specialize in calibration, validation, asset management, and compliance services. We are an ISO 9001:2008 certified company. Our liquid handling devices calibration services provide a complete, fully compliant service for all pipette calibration and certification needs. We offer gravimetric calibration and/or verification of a wide array of volumetric instruments including pipettors, titrators, bottle-top dispensers, syringes & repeaters across every volume range from 0.1 ul to 200 ml. Our balance and scale calibration service offers services to all weighing instruments, including ultra-micro balances, top-loaders, torsion scales & knife-edge balances. Ultra-micro balances are devices that have readabilities ranging from 0.1-1 micrograms with capacities that normally do not exceed 10 grams.