-1 3 -
6.67 m S
12.89 m S
TEM P : 18.0 Tr : 25.0
111.9 m S
If using standard solution that not show ing on screen, adjust conductivity by using
or
key .
[C al]
R eady
158.7 uS
1413 uS
6.67 m S
0 .0 0
uS/cm
12.89 m S
TEM P:18.0 Tr:25.0
111.9 m S
C h ap ter V C alib ratio n & M easu rem en t
C o n d u ctivity/T D S /S a lin ity/R esistivity/T em p M eter
The follow ing table is show n correlation conductivity w ith concentration of K C l
solution.
K C l solu tion (M ) C on d u ctivity
0.001
146.9
S/cm
0.01
1413.0
S/cm
0.05
6.67 m S/cm
0.1
12.89 m S/cm
1
111.9 m S/cm
(4) M easu rem en t
1) C onductivity M easurem ent
In the calibration, TC (i.e. Tem perature C om pensation C oefficient) is autom atically
selected by standard solutions and m easuring tem perature. K C l solution have a low er
tem perature coefficient (app. 1.9% /
C ) of conductivity than typical potable w ater.
Sodium chloride(N aC l) has a tem perature coefficient (2.12% /
C ) that closely
approxim ates that found in m ost w aters from w ells and surface sources
.
Press
M easu re
key to m easure the conductivity of solution. The display is show n as
follow s.
M easure 96 / 11 / 12 11:15
1 4 1 3
uS/cm
T r. 2 5 .0
2 .1 0 % /
C
℃
C onductivity TEM P 18.0
C
A fter the reading is stable, store or record it. If m easuring conductivity w ithout
com pensation of tem perature, press
S elect
key to m easure conductivity at m easuring
tem perature w ithout com pensation of tem perature.
