Table of Contents
Advertisement
Technical data
Cleaning
After cleaning
Measurement
Accuracy of the
IDS measuring
technique
8
Remove water-soluble contamination by rinsing with deionized water.
Remove other contamination as follows:
Contamination
Fat and oil
Lime and hydroxide deposits Rinse with citric acid (10 % by weight)
NOTE
Hydrofluoric acid, hot phosphoric acid and strong alkaline solutions
destroy the glass membrane.
Rinse the electrode with deionized water and condition it in reference elec-
trolyte solution for at least 1 hour. Then recalibrate the electrode.
6
Technical data
pH measuring range
Allowed temperature range
(°C)
Allowed temperature range
(°F)
Measured parameter
pH
U [mV]
T [°C]
Cleaning procedure
Rinse with water containing household wash-
ing-up liquid
0.000 ... 14.000
0 ... 80 °C
(4120(W))
0 ... 100 °C (4130(W))
32 ... 176 °F (4120(W))
32 ... 212 °F (4130(W))
Accuracy (± 1 digit)
± 0.004
± 0.2
± 0.1
4120(W) / 4130(W)
ba76136e04
10/2017
Advertisement
Table of Contents
