wtw Cond 7310 - Page 51

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