wtw Cond 7310 Operating Manual page 51

Cond 7310
Cell constants
Reference temperature
Accuracy (± 1 digit)
ba75933e04 06/2013
Cell constant C
Can be calibrated in
the ranges
Adjustable
Reference tempera-
ture
Adjustable
Parameter
ϰ and ρ / temperature compensation
None (Off)
Nonlinear (nLF)
Linear (lin)
SAL
/ range
0.0 ... 42.0
TDS [mg/l]
T [°C] / temperature sensor
NTC 30
PT 1000
The accuracy values specified here apply exclusively to the meter.
The accuracy of the measuring cell has also to be taken into
account.
More data are given in the documentation of your sensor.
Values
-1
0.450 ... 0.500 cm
-1
0.800 ... 0.880 cm
-1
0.090 ... 0.110 cm
-1
0.010 cm (fixed)
-1
0.250 ... 25.000 cm
Values
20 °C (Tref20)
25 °C (Tref25)
Accuracy Temperature of the test
sample
± 0.5 %
± 0.5 % 0 °C ... +35 °C
according to EN 27 888
± 0.5 % +35 °C ... +50 °C
enhanced nLF function
± 0.5 % +10 °C ... +75 °C
± 0.1 +5 °C ... +25 °C
± 0.2 +25 °C ... +30 °C
± 0.5 %
± 0.1
± 0.1
Technical data
51