page 2 Contents
4.6 The keypad ......................................................................................................................25
4.6.1 Measuring method selection (plate, ring, density)......................................................27
4.6.2 Starting and stopping measurements.........................................................................27
4.6.3 Entering measuring parameters .................................................................................28
4.6.4 Changing the basic settings (setup) ........................................................................... 29
4.6.5 Illumination.................................................................................................................30
4.6.6 Stirrer ......................................................................................................................... 30
4.7 Suspending the measuring probes .................................................................................. 31
5 Cleaning procedures.................................................................................... 32
5.1 Cleaning the sample vessel ............................................................................................. 32
5.1.1 Step 1: Cleaning with water........................................................................................32
5.1.2 Step 2: Check cleanliness.......................................................................................... 32
5.1.3 Step 3 (if necessary): Scarfing ...................................................................................33
5.1.4 Step 4 (if necessary): Cleaning with oxidising acid .................................................... 33
5.2 Cleaning the ring and plate ..............................................................................................33
5.3 Cleaning the measuring probe for determining the density..............................................34
6 Preparing a measurement ........................................................................... 35
6.1 Safety information ............................................................................................................ 35
6.1.1 Working with highly flammable liquids........................................................................35
6.1.2 Measurements at high temperatures.......................................................................... 35
6.2 Setting up and filling the sample vessel ........................................................................... 36
6.3 General course of a measurement...................................................................................37
6.4 Data transfer and storage (optional) ................................................................................ 37
6.5 Check list before starting a measurement........................................................................ 38
7 Measurements with the plate or rod method ............................................... 39
7.1 Main menu “Plate Method”...............................................................................................39
7.1.1 Measuring mode ........................................................................................................39
7.1.2 Reading limit .............................................................................................................. 40
7.1.3 Interval .......................................................................................................................40
7.1.4 Wetted length.............................................................................................................40
7.2 Parameters for the plate method in Setup........................................................................41
7.2.1 Immersing speed (mm/min)........................................................................................ 41
7.2.2 Detection speed (mm/min) .........................................................................................42
7.2.3 Immersion depth (mm) ...............................................................................................42
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