The capacity of the micropipette is 100 ul to 1000 ul, It is variable volume micropipetteOur pipette manufacturing plant has its own accredited calibration laboratory to control the accuracy and precision of each and every Gilson pipette. Gilson pipettes are individually calibrated and delivered with a performance check reportMagnetic assist avoids heavy pipetting forces: A Magnetic assists the thumb to feel and holdthe piston at the zero position. Magnetic assist reduces the need for a large differential betweenthe aspiration and blow out springs. Both springs are significantly lighter. Consistent sample pick up: Magnetic assist improves accuracy and reproducibility. The magnetprovides a positive feel at the zero position ensuring that the proper amount of sample is aspiratedevery time. Reduced pipetting forces: no heavy springs: Magnetic assist, low spring forces and low dragseals reduce plunger forces. A comparison of manual air displacement pipettes revealsthat approximately 50% of pipetting forces result from the plunger operation and the remaining50% from tip ejection. Lightweight, rugged body: Pipet-Lite is lightweight and made of high density, chemicallyresistant polymer. It won't crack or break, even if dropped. Digital Volume Adjustment: The snag-proof design allows rapid volume adjustment even whenwearing gloves. Once the volume is set, a slight turn of the volume setting lock will preventaccidental changes. Quick release tip ejector: The tip ejector is easily removed by pressing lighty on the ejector tabs. The positive lock feature ensures the ejector stays securely in place.