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R
- ratio of sample conductivity to standard conductivity at Temp =(T)
T
CT(sample)-conductivity at T ºC;
C(35,15)=42.914µS/cm - the corresponding of KCI solution containing a mass
of 32.4356 g KCl/1 Kg solution
r
- Temperature compensation polynomial
T
a
= 0.008
0
a
= -0.1692
1
a
= 25.3851
2
a
= 14.0941
3
a
= -7.0261
4
a
= 2.7081
5
c
= 0.008
0
c
= 0.0005
1
X = 400R
Y = 100R
NaCl% Percent Scale
The NaCl % scale is an older scale salinity scale used for seawater salinity. In
this scale 100% salinity is equivalent to roughly 10% solids. High percentages
were made by evaporation. To display NaCl in % units, enter SETUP and select
NaCl% unit. Press the RANGE key until "NaCl%" is displayed on the LCD.
The instrument will display the NaCl% reading on the 1st LCD line and the
temperature reading on the 2nd LCD line.
If the reading is out of range, the full-scale value
(400.0%) will be displayed blinking.
b
= 0.0005
0
b
= -0.0056
1
b
= -0.0066
2
b
= -0.0375
3
b
= 0.0636
4
b
= -0.01442
5
T
T
T-15
f(t)=
1 + 0.0162•(t-15)
Salinity
Measurements
Operational Guide
63
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