Operating instructions

40 METTLER TOLEDO DE40/50/51 Density Meter
The results of the calculation are
shown and can be printed.
Constants used
The A, B and C values are the coefficients of the selected function. The R value is the mean
value of all the entered density values. The instrument replaces the density values with the
density minus mean value (x←d-R) to optimize the algorithm used (compute lower values).
Note: these A, B, C and R values can be used to input the concentration function directly
without having to enter the table again.
In this case R is the mean value of all density values and (x←d-R) should be
selected as "Data Replace" for the function.
Now your density meter has been programmed to measure the concentration of sulfuric acid.
Insert an aqueous solution of sulfuric acid into the measuring cell. After pressing
<MEASURE>, the following values will be displayed:
During the measurement the
temperature and the concentration
are displayed.
At the end of the measurement the
final result (sulfuric acid
concentration) will be displayed.
Note: you can select the number of
decimal places under "Calc.
Para.-Decimals".
Calculation parameters
< Get Parameter >
[A+Bx+Cx
2
]Conc
A: 5.199161x10
1
B: 1.054394x10
2
C:-3.253848x10
1
R: 1.419311 x
0.Method-0 01-01
Temp.(°C) Conc.(%)
Set 20.00
Cell 20.00
Measuring
23.5176
0.Method-0 01-01
Temp.(°C) Conc.(%)
Set 20.00
Cell 20.00
Result
23.5