ORA_10_18_20_32_80BB-BA-e-1510 2GB KERN ORAVersion 1.0 01/2015Operating instructionsAnalogue refractometerContents1 Technical data ................................................................................................ 32 Description ..................................................................................................... 43 General information ....................................................................................... 53.1 Intended use ............................................................................................................................. 53.2 Warranty .................................................................................................................................... 54 Basic safety information ............................................................................... 64.1 Follow the instructions in the operating manual .................................................................. 64.2 Warning ..................................................................................................................................... 65 Supplied items ............................................................................................... 76 Before the first use ........................................................................................ 77 Use/measurement .......................................................................................... 77.1 Zero point calibration ............................................................................................................... 87.2 Additional advice ...................................................................................................................... 97.3 Measuring procedure ............................................................................................................... 98 Cleaning and maintenance ........................................................................... 99 Storage ......................................................................................................... 1010 Service .......................................................................................................... 1011 Disposal ........................................................................................................ 1012 Additional information................................................................................. 1013 Brix to refractive index (nD) conversion table .......................................... 1114 Annex .............................................................................................................. 1