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Instruction Sheet

012-10546A

Salinity Sensor

PS-2195

*012-10546*

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*See the PASCO catalog or web site at www.pasco.com for compatible PASPORT interfaces and Data Acquisition Software..

Included Equipment

Part Number

Salinity Sensor

PS-2195

Salinity Sensor Probe, 10 X, Conductivity/Temperature

699-11064

Recommended Items

PASPORT Extension Cable

PS-2500

PASCO Interface

Catalog or web site*

Data Acquisition Software

Catalog or web site*

Temperature 

Input port

Six pin mini- 

DIN connector

Conductivity 

Input port

Conductivity 

BNC connector

Temperature 

Input plug

Salinity 

Sensor

Salinity 

Sensor Probe

The illustrations are not to scale.

Summary of Contents for PasPort PS-2195

Page 1: ...linity Sensor PS 2195 Salinity Sensor Probe 10 X Conductivity Temperature 699 11064 Recommended Items PASPORT Extension Cable PS 2500 PASCO Interface Catalog or web site Data Acquisition Software Cata...

Page 2: ...ride In the 1970 s salinity was redefined as the conductivity ratio of a water sample to a standard potassium chloride KCl solution Usage One use for the sensor is to explore the salinity of local wat...

Page 3: ...b site at www pasco com for information 1 When you connect the Salin ity Sensor to the computer through a PASPORT inter face the PASPortal window will launch automatically if DataStudio is not already...

Page 4: ...ou will need reagent grade sodium chloride salt a liter of distilled or deionized water a stir rod and a container with accurate volume markings Pour 500 milliliters mL of distilled water into the con...

Page 5: ...on the specific dissolved solids and can vary between 0 40 and 0 96 depending on the dissolved solids A value of 0 65 is used as an approximation if the dissolved solids are not known As an example TD...

Page 6: ...f PASCO scientific in the United States and or in other countries For more information visit www pasco com legal Windows is a registered trademark of Microsoft Corporation in the United States and or...

Page 7: ...g more distilled or deionized water until the volume is 200 ml Prepare a 0 005 M sodium hydroxide NaOH solution by dissolving 200 mg of NaOH in 500 ml of distilled or deionized water and then adding d...

Page 8: ...Remove the Salinity Sensor Probe from the first sample Rinse the end of the probe with distilled water 9 Repeat the data collection process with the other two samples Data Analysis 1 Autoscale the gra...

Page 9: ...Analysis The table lists typical experimental results In general ionic salts at low to moderate concentrations have a temperature dependence of 2 per degree at 25 C Acids bases and concentrated salt s...

Page 10: ...Salinity Sensor Notes on the Experiment 10...

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