5 setting the temperature compensation tc, Setting the temperature compensation tc – Xylem Lab 970 User Manual
Page 34
Operation
Lab 970
34
ba75558e03
11/2009
4.5
Setting the temperature compensation TC
The calculation of the temperature compensation is based on the
preset reference temperature, Tref 20 or Tref 25 (see page 43).
You can select one of the following temperature compensations:
z Nonlinear temperature compensation "nLF"
according to DIN 38404 or EN 27 888
z Linear temperature compensation "Lin"
with adjustable coefficient in the range 0.001 ... 3.000 %
/
K
z No temperature compensation
Note
Select the following temperature compensations given in the table
according to the respective test sample:
Application tips
Test sample
Temperature compensation TC
Display
indicator
Natural water
(ground water,
surface water,
drinking water)
nLF
according to DIN 38404
EN 27 888
Ultrapure water
nLF
according to DIN 38404
EN 27 888
Other aqueous
solutions
Set linear temperature coefficient
0.001 ... 3.000 %/K
Salinity
(seawater)
Automatically nLF according to
IOT
Sal,