PASCO PS-2172 User Manual
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Instruction Manual
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012-13883A
Advanced Chemistry Sensor
PS-2172
Included Equipment Part Number
1. Advanced Chemistry Sensor PS-2172
2. Stainless Steel Temperature Probe PS-2153
3. Conductivity Probe (10x) PS-2571
4. pH Electrode PS-2573
5. Polyurethane Tubing (60 cm long, inch ID)
6. Quick-release Connectors (qty. 4)
7. Tubing Connectors (qty. 4)
8. Syringe (60 cc)
Required Equipment
PASPORT Interface See PASCO catalog or www.pasco.com
Optional Equipment
Fast-response Temperature Probe PS-2135 (3-pack)
Skin/surface Temperature Probe PS-2131
Various Ion-selective Electrodes (ISE) See PASCO catalog or www.pasco.com
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Oxidation Reduction Potential (ORP) Electrode CI-6716
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Advanced Chemistry Sensor Introduction
Conductivity
Temperature
PAS PORT
Interface
Pressure
Introduction
The PS-2172 Advanced Chemistry Sensor combines four sensors in a single unit:
• Temperature
• pH, ORP and ion-selective electrode voltage
• Absolute gas pressure
• Conductivity
When connected to a PASPORT interface, the Advanced Chemistry Sensor collects
data at up to 100 samples per second from each component sensor. You can use just
one component sensor at a time or any combination simultaneously. If you have a
PASPORT interface that supports multiple sensors, or if you have more than one
interface connected to your computer, you can use the Advanced Chemistry Sensor in
combination with other PASPORT sensors.
Sensor, Interface, and Software Setup
Connect the multi-sensor to your PASPORT interface as pictured (right).
Connect any or all of the included probes to the multi-sensor. (You can
leave any of the probes disconnected if you do not plan to use it.) If you will
be using an ion-selective electrode or oxygen reduction potential electrode,
connect it to the pH/ISE/ORP port. If you plan to measure pressure in an
apparatus or the included syringe, connect it to the sensor’s pressure port
using the included tubing and a quick-release connector.
Follow the instructions below to set up the sensor with Capstone,
SPARKvue/SPARK SLS, or the Xplorer GLX (standalone).
For detailed information about each of the multi-sensor sensor’s component
sensors see pages 3–5.
Capstone Setup
Connect the PASPORT interface using a Capstone supported interface.
Build one or more displays for data. Press to start data collection and
to stop data collection.
Note that the sensor will collect data for probes that are not connected. These data are
listed in the Data Summary and are displayed if selected on one or more displays. The
default sampling rate and other parameters are defined with Hardware Setup in the
Tool Palette. Calibration is performed with the Calibration wizard in the Tool Palette.
For more instructions on using Capstone, refer to the Capstone Online Help or User’s
Guide.
PS-2172
SPARKvue/SPARK SLS Setup
Connect the PASPORT interface directly to a SPARK SLS or to a computer using a
SPARKvue supported interface. Build one or more displays for data. Press to
start data collection and to stop data collection.
The default sampling rate is defined with Sampling Options. Calibration is performed
with Experiment Tools > Calibrate Sensor. For more instructions on using the
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Model No. PS-2172 Temperature
F4
SPARKvue/SPARK SLS, refer to the SPARKvue/SPARK SLS Online Help or User’s
Guide.
Xplorer GLX Setup
If you are using an Xplorer GLX in standalone mode, press to start data collection.
Note that the sensor may collect data for probes that are not connected. Hide or ignore
these measurements. To hide measurements that you do not need, open the Sensors
screen (from the Home screen, press ). In the Sensors screen you can also
change the sampling rate and open the calibration dialog box. For more instructions
on using the Xplorer GLX, refer to the GLX User’s Guide.
Temperature
Use this component of the multi-sensor to measure the temperature of a fluid or
object. The measurement can be displayed in units of °C, °F, or K. (In DataStudio,
click the Setup button to change units.) You can use the included stainless steel probe
or a different probe, such as the Fast-response Probe (PS-2135) or Skin/Surface Probe
(PS-2131). PASCO apparatus containing an embedded 10 k thermistor can also be
connected to the multi-sensor. The multi-sensor automatically detects the presence of
a temperature probe, and it will only collect temperature data if a probe is connected.
Measuring Temperature
To measure temperature, connect the probe and start data collection. Immerse the tip
of the probe in a fluid or place it in contact with an object. The included stainless steel
probe can be used in both dry conditions and in liquids, such as water and other mild
chemicals and solutions.
Tip: For better chemical resistance, use a Teflon® cover (CI-6549).
Temperature Calibration
The temperature measurement can be calibrated; however, for most applications calibration is not necessary. Use a two-point calibration with two standards of known
temperature. Refer to the SPARKvue/SPARK SLS, Capstone, or Xplorer GLX User’s
Guide for calibration instructions.
pH/ISE/ORP
The pH/ISE/ORP input of the multi-sensor is a specialized voltage sensor. Its BNC
connector accepts the included pH electrode, as well as ISE and ORP electrodes. The
sensor measures the voltage produced by any of these electrodes. When used with a
pH probe, the sensor also computes the pH based on the measured voltage.
Connect the pH electrode (or other electrode) to the pH/ISE/ORP port and start data
collection. On your computer or interface, display pH measurement for the calculated
pH (assuming that the pH electrode is connected). For other electrodes, display ISE
Voltage (this is valid for ISE, ORP, and pH.)
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