Xylem WTW SenTix 950, Operating Manual

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SenTix
®
950 / 980 / Micro 900(-P) Technical data
9
ba75843e04 06/2017
After cleaning 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
Measurement pH measuring range 0.000 ... 14.000
Allowed temperature range
(°C) 0 ... 80 °C (SenTix
®
950(-P))
0 ... 100 °C (SenTix
®
980 / Micro 900(-P))
Allowed temperature range
(°F) 32 ... 176 °F (SenTix
®
950(-P))
32 ... 212 °F (SenTix
®
980 / Micro 900(-P))
Accuracy of the
IDS measuring
technique
Measured parameter Accuracy (± 1 digit)
pH ± 0.004
U [mV] ± 0.2
T [°C] ± 0.1
General features Reference electrolyte KCl 3 mol/l, Ag
+
free
Junction Ceramic (SenTix
®
950(-P))
Platinum (SenTix
®
980 / Micro 900(-P))
Temperature sensor Integrated NTC 30
(30 k

at 25 °C / 77 °F)
Connection cable Lengths SenTix
®
950 / 980 / Micro 900: 1,5
SenTix
®
950 / 980 / Micro 900-P:
1,5 / 3 / 6 / 10 / 15 / 25 / 40 / 60 / 100 m
Diameter 4.3 mm
Smallest allowed
bend radius Fixed installation:20 mm
Flexible use:60 mm
Plug type Socket, 4 pins
Shaft dimensions,
material
Shaft length 120 mm (SenTix
®
950 / 980(-P))
65/130 mm (SenTix
®
Micro 900(-P))
Shaft diameter 12 mm (SenTix
®
950 / 980(-P))
12/5 mm (SenTix
®
Micro 900(-P))
Shaft material Polyamide (SenTix
®
950(-P))
Glass (SenTix
®
980(-P),
SenTix
®
Micro 900(-P))