Operating instructions

METTLER TOLEDO DE40/50/51 Density Meter 3
Contents Page
1. Introduction ................................................................................................... 6
2. Safety measures ............................................................................................ 7
3. The density .................................................................................................... 8
3.1 Definition .......................................................................................................... 8
3.2 Measurement principle ..................................................................................... 8
3.3 Construction of the measuring cell and temperature control.......................... 11
4. The instrument ............................................................................................ 12
4.2. Keyboard ........................................................................................................ 14
4.3 Display ........................................................................................................... 17
5. Getting started ............................................................................................. 18
5.1 Setting up the instrument ............................................................................... 18
5.2 Performing the first adjustment (calibration) .................................................. 19
5.3 Perform a measurement ................................................................................ 23
6. Sample (Number and ID) and Sample File ................................................ 26
6.1 Sample File (sample changer) ....................................................................... 26
7. Report (password protected) ..................................................................... 29
8. Measuring parameter (password protected) ............................................ 30
8.1 Method name ................................................................................................. 30
8.2 Measuring temperature .................................................................................. 31
8.3 Measurement stability .................................................................................... 31
8.4 Limit time ........................................................................................................ 32
8.5 Sequence (sampling, drain, rinse, purge) ...................................................... 32
8.6 Adjustment mode (Calibration selection) ....................................................... 34
8.7 Explanation of auto-sampling and auto-draining............................................ 35
9. Calculation parameters (password protected) ......................................... 36
9.1 Density: d, d(t/4), d(t/t) ................................................................................... 36
9.2 Result (Density, Concentration, BRIX, ALCOHOL, USER TABLE) ................ 36
9.3 Temperature compensation............................................................................ 41
9.4 Decimals ........................................................................................................ 42