Variable Volume Micropipettes feature built in tip ejectors and autoclavable tip cones. Offered in nine volume ranges. Each pipette is individually calibrated according to ISO 8655 standards. They work on a click stop digital system and are easy to calibrate and maintain. Each pipette is easy to disassemble for autoclaving and is manufactured in an ISO 9001:2008 certified facility. Pipettes are highly accurate. A calibration certificate is provided with each pipette.