Features:This pipette is a precise liquid transport device whose volume can be adjusted within a certain range.Light weight and ergonomic design provide comfortable grip. Digital viewing area ensures a clear and intuitive reading at a glance.Fine adjustment structure can be for convenient calibration and regulation, if any accidental error.The bottom half part can be removed with special hex wrench, and disinfected under high temperature and high pressure.Suitable for transporting measured volume of liquid during analysis and experiment in teaching, chemical industry, scientific research departments.Specifications:Material: PlasticModel: M200Type: SinglechannelVolume: 20~200ulTestVolumePrecision ErrorRepetitiveErrorIncrementTip200ul0.60%0.15% 1ul 200ul100ul0.80%0.30%20ul3.00%1.00%Size: Approx. 28 x 6 x 2.3cm/11.02 x 2.36 x 0.9inQuantity: 1pcWeight: 181g(approx.)Package Includes:1 x Pipette 1 x Calibration Oil1 x WrenchNote: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..