A Spectrophotometer Sippers is an accessory that can be used to measure solutions using a UV-VIS spectrophotometer. The Spectrophotometer Sippers is an extremely convenient accessory that directly supplies the solution from a test tube or beaker into the sample compartment.A variety of sippers,available with or without thermostatic functions and with different types of flow cells, which are chosen according to the standard required sample volume,is available.The features of each Spectrophotometer Sippers and the precautions when using them are described below.