PASCO CI-6729 (1X) CONDUCTIVITY SENSOR - Manual (Page 5)

1
012–06485B Conductivity Sensor
CONDUCTIVITY SENSOR
CI-6729
CI-6739A
2K 20K 200
RANGE SELEC
T
699-06620
CON
DUC
TIV
ITY
699-06621
CON
DUC
TIV
ITY
10X
Introduction
The PASCO CI-6729 and CI-6739A Conductivity Sensors are
used with a PASCO Science Workshop
® computer interface to
investigate factors that influence the electrical conductivity of
liquids. The Conductivity Sensor consists of a signal conditioning
amplifier and either a 1X or 10X conductivity electrode. The
signal conditioning amplifier box is capable of working with
either electrode. Students can use this sensor to explore the
effects of temperature and concentration on the electrical
transport properties of aqueous solutions, especially in
applications relating to ecological systems.
The Conductivity Sensor is designed for use in aqueous solutions
at temperatures ranging from 0 °C to 80 °C. The 1X conductivity
electrode provided with the CI-6729 Conductivity Sensor has a
range of up to 20,000 microsiemens per centimeter. The 10X
conductivity electrode, provided with the CI-6739A, has a range
up to 200,000 microsiemens per centimeter. In order to achieve
maximum performance of the Conductivity Sensor, soak the
electrode in distilled water for 5 to 10 minutes before use to assure
complete wetting of the electrodes. The electrode may also be
calibrated at approximately the same temperature as the test solution
for concentration or total dissolved solids (TDS) measurements.
Equipment
Provided With CI-6729 (1X)
• 1X conductivity electrode with 3-foot BNC cable
• Conductivity Sensor Amplifier box with 8-pin DIN
connector and BNC connector
• interface cable with DIN connector
Provided With CI-6739A (10X)
• 10X conductivity electrode with 3-foot BNC cable
• Conductivity Sensor Amplifier box with 8-pin DIN
connector and BNC connector
• interface cable with DIN connector
Additional equipment required
• Any PASCO Science Workshop®
computer interface
• computer
Replacement Electrodes
• 1X conductivity electrode: 699-06620
• 10X conductivity electrode: 699-06621
➤ Conductivity Sensors are used
in many practical applications
including:
• Environmental Monitoring
• Oceanography-Salinity
• Agriculture
• Waste Systems
• Beverage Industries
• Electroplating
amplifier box
interface cable with 8-pin
DIN connectors
connector for
amplifier box
connector for
computer
interface
conductivity
electrodes