Conductivity Sensor Specifications
2
012-09688B
NOTE: If more distance is needed between the sensor and
the interface, plug the sensor into a Sensor Extension Cable
(optional) and then plug the cable into the interface.
Select a Range
The three ranges are represented by the icons next to the
range select buttons. The water glass range is 0 to 1000
microsiemens per centimeter, the chemistry flask range is
0 to 10,000, and the ocean wave range is 0 to 100,000.
To select a range, press one
of the Range Select Buttons
on the sensor. The green
light emitting diode (LED)
for that button will shine.
The sensor continuously
monitors conductivity, even
if data are not being
recorded. It detects when
the conductivity level is too
high for the selected range.
When this occurs, the LED
for the selected range will
blink, and the LED in the button for the next higher range
flashes. Press the button with the flashing LED to select the
proper range.
Safety CAUTION!
Always use eye protection, gloves, and an apron when work-
ing with chemicals.
Making Measurements
Using PASCO Capstone Software
• Start the PASCO data acquisition software.
• Click the “Hardware Setup” icon in the Tools palette to
open the “Hardware Setup” panel. Confirm that the sen-
sor’s icon appears with the interface’s icon.
• Click one of the display templates in the Capstone work-
book page, or double-click an icon in the “Displays”
palette to open a specific data display.
• Click “Record” ( ) to begin recording data.
Using SPARKvue Software
• Connect the sensor to a SPARKvue-compatible inter-
face and start the software. The sensor parameter screen
opens and shows the list of measurements for the sensor.
• In the sensor parameter screen, touch the measurement,
and then touch ‘Show’ to open a graph display of the
measurement.
• Touch “Start”( ) to begin recording data.
Using the Xplorer GLX
• Turn on the Xplorer GLX and connect the sensor to a
port on the top. A Digits display of conductivity opens
automatically and shows the data being monitored.
• Press the Start/Stop key (s) to begin recording data.
Press the same key again to stop recording.
Calibration Information
See the Appendix for detailed information about calibrating
the Conductivity Sensor.
More Information
For more information about collecting, recording, displaying
and analyzing data, refer to the User’s Guide or Online Help
System for the data acquisition software.
Specifications
Maintenance
Cleaning
The electrode cell in the end of the Conductivity Probe must
be clean for accurate and reproducible results. A dirty elec-
trode cell will contaminate the sample being tested.
The electrode cell can be cleaned with detergent or dilute
nitric acid (1%) by stirring the end of the probe in the clean-
ing solution for three minutes. Rinse thoroughly.
Storage
The best method for storing the Conductivity Probe is to
immerse the end of the probe in deionized or distilled water.
Solution Conductivity
Ultra-Pure water 0.05 S/cm
Distilled water 0.5
Drinking water 50 to 1500
Sea water 53,000
Brackish water 1000 to 80,000
Sensor
PASPORT
Input Port
Interface
Item Value
Ranges: 0 to 100 S/cm
0 to 10,000 S/cm
0 to 100,000 S/cm
Accuracy: ±10% of full range for all
ranges
Resolution: 0.1% or better
Operating Temperature: 0 to 50° C
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