wtw Cond 7110 - Cell Constants; Reference Temperature; Accuracy Specifications

Cond 7110 Technical data
ba75927e03 04/2012 35
10.1.2 Cell constants
10.1.3 Reference temperature
10.1.4 Accuracy (± 1 digit)
Cell constant Values
Can be calibrated in the
ranges
0.800 ... 0.880 cm
-1
0.450 ... 0.500 cm
-1
Adjustable
0.250 ... 2.500 cm
-1
0.090 ... 0.110 cm
-1
0.010 cm
-1
(permanent)
Reference temperature Values
Adjustable 20 °C (Tref20)
25 °C (Tref25)
Parameter Accuracy
Temperature of the
test sample
ϰ / Temperature compensation
Nonlinear (nLF)
± 0.5 % 0 °C ... + 35 °C
according to EN 27 888
+ 35 °C ... + 50 °C
enhanced nLF function
Linear (lin) ± 0.5 % + 10 °C ... + 75 °C
None (Off) ± 0.5 %
SAL / range
0 ... 70.0 ± 0.1
± 0.2
+ 5 °C ... + 25 °C
+ 25 °C ... + 30 °C
TDS [mg/l] / range
1 ... 1999 ± 0.5 %
T [°C] / temperature sensor
•NTC 30
• PT 1000
± 0.1
± 0.1