Xylem ORP 900 User Manual
SenTix® ORP 900
ORP electrode
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Operating manual
SenTix
Note
The latest version of the present operating manual can be found on the
Internet under www.WTW.com.
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Copyright © Weilheim 2009, WTW GmbH
Reprinting - even as excerpts - is only allowed with the explicit written
authorization of WTW GmbH, Weilheim.
Printed in Germany.
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SenTix General information
General information
Automatic sensor
recognition
The sensor electronics with the stored sensor data is in the connecting head
of the electrode. The data include, among other things, the sensor type and
series number. The data is recalled by the meter when the sensor is
connected and is used for measurement and for measured value documentation.
The digital transmission technique guarantees the failure-free communication with the meter even with long connection cables. If the sensor firmware
is enhanced by WTW, it can be updated via the meter.
Technical data
General data Reference electrolyte 3 mol/l KCl, Ag+free
Junction Ceramic
Measurement and
application
characteristics
Electrode material and
shape
mV measuring range - 1250.0 ... + 1250.0
Allowed temperature range 0 ... 100 °C (32 ... 212 ° F)
Typical application Laboratory
Platinum / circle
Shaft dimensions,
material, electrical
connection
Connection cable Length 1.5 m
Accuracy of the
IDS measuring
technique
Shaft length 120 mm
Shaft diameter 12 mm
Shaft material Glass
Combination electrode con-
nection
Meter connection Digital plug
Diameter 4.3 mm
Smallest allowed
bend radius
Plug type Socket, 4 pins
Measured parameter Accuracy (± 1 digit)
U [mV] ± 0.2
Fixed cable
Fixed installation: 20 mm
Flexible use: 60 mm
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