Sampler 100-1000 microliters QPETTE Sampler set variable in three sizes 5 /.- 10 and 10-100 and 100-1000 microliters Product of q pette Finland Universal with the ability to use with a variety of samplers available in the market economy & user frindley The correct calibration of pipettes and micropipettes, which is achieved by checking the correct operation of the pipette / micropipette in harvesting the expected volume, plays an important role in quality assurance programs. In case of repeated use of samplers or impact on the sampler (such as falling to the ground) in the laboratory, it is recommended to perform a calibration operation every six months. To maintain the Oring and Holder of the sampler, it is necessary to wash these components with distilled water after each suction of the corrosive solution.