wtw Multi 350i - Technical Data: Advanced Measurements; TDS and Temperature Data; Cell Constants and Reference Temperature; Compensation and SAL Accuracy

Technical data Multi 350i
30
Measuring ranges,
resolution
(continued)
Variable Measuring range Resolution
TDS [mg/l] 0 ... 2000
Factor can be set
between 0.40 and
1.00
1
T [°C] - 5.0 ... + 105.0 0.1
* only possible with cells of the cell constant, 0.010 cm
-1
** only possible with cells of the cell constant, 0.010 cm
-1
or 0.090 ... 0.110 cm
-1
Cell constants Cell constant C Values
Can be calibrated in
the ranges
0.450 ... 0.500 cm
-1
0.800 ... 1.200 cm
-1
Adjustable 0.010 cm
-1
(fixed)
0.090 ... 0.110 cm
-1
0.250 ... 25.000 cm
-1
Reference temperature Reference
temperature
Values
Adjustable 20 °C (Tr20)
25 °C (Tr25)
Accuracy (± 1 digit) Variable Accuracy Temperature of sample
/ 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
Extended nLF function
according to WTW
measurements
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]
± 1
T [°C] / temperature sensor
NTC 30 ± 0.2 0 °C ... + 55 °C
PT 1000 ± 0.3 0 °C ... + 55 °C