6 Using the device........................................................................... 68
6.1 Replacing the measuring cell............................................... 68
6.2 Wet dispersion units............................................................ 69
6.2.1 Fritsch test powder F500.................................................. 69
6.2.2 Dispersion of barely weable samples............................. 71
6.2.3 Measurement of hardly soluble samples.......................... 71
6.3 Dry dispersion unit and falling chute................................... 72
6.3.1 Selecng the vibratory feeder........................................... 72
6.3.2 Fritsch test powder F70.................................................... 72
7 Accessories................................................................................... 75
7.1 Converng the dry dispersion unit to a falling chute........... 75
7.2 AutoSampler dry dispersion unit......................................... 76
7.2.1 Funconal principle of AutoSampler................................ 76
7.2.2 AutoSampler connecons................................................. 76
7.2.3 Installaon of AutoSampler.............................................. 76
7.2.4 Control panel.................................................................... 77
7.2.5 Using the AutoSampler..................................................... 78
7.2.6 AutoSampler standard operang procedure (MaS con-
trol)................................................................................... 78
7.3 Extended conversion kit for the small volume wet disper-
sion unit SVA........................................................................ 81
7.4 Immersion pump set............................................................ 81
8 Cleaning........................................................................................ 82
8.1 Cleaning the devices............................................................ 82
8.2 Cleaning the hoses............................................................... 82
8.3 Cleaning the wet measuring cell.......................................... 82
8.3.1 Design of wet measuring cell............................................ 83
8.3.2 Preparaon....................................................................... 83
8.3.3 Emptying the system......................................................... 84
8.3.4 Removing the wet measuring cell..................................... 85
8.3.5 Cleaning the measuring cell glasses.................................. 87
8.3.5.1 Front measuring cell glass.............................................. 87
8.3.5.2 Fixed measuring cell glass.............................................. 87
8.3.6 Flow plate.......................................................................... 88
8.3.7 Sealing rings...................................................................... 88
8.3.8 Mounng the wet measuring cell..................................... 89
8.3.9 Check the wet measuring cell for impermeability............ 90
8.4 Cleaning the dry dispersion unit and falling chute............... 90
8.5 Cleaning the dry measuring cell........................................... 91
8.5.1 Design of dry measuring cell............................................. 91
8.5.2 Removing the dry measuring cell...................................... 92
8.5.3 Cleaning the measuring cell glasses.................................. 92
8.5.3.1 Front measuring cell glass.............................................. 93
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