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PASCO PS-2108 Dissolved Oxygen Sensor User Manual

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Model No. PS-2108

Dissolved Oxygen Sensor

Experiment 3:

Effect of Sodium Sulfite on Dissolved O2 Concentrations ......... 20

Materials and Equipment Needed ................................................................................................ 20
Optional Materials ....................................................................................................................... 20
Purpose......................................................................................................................................... 20
Procedure ..................................................................................................................................... 20
Questions ..................................................................................................................................... 21

Experiment 4: Biochemical Oxygen Demand * ....................... 22

Background .................................................................................................................................. 22
Procedure ..................................................................................................................................... 22

Experiment 5:

The Effect Of Respiration On Dissolved O2 Concentration ........ 23

Purpose......................................................................................................................................... 23
Materials required ........................................................................................................................ 23
Optional materials........................................................................................................................ 23
Procedure ..................................................................................................................................... 23
Questions ..................................................................................................................................... 24

Appendix A: Tables.................................................... 27

Copyright Notice.......................................................................................................................... 25
Limited Warranty......................................................................................................................... 25
Equipment Return ........................................................................................................................ 25

Appendix B: Tables .................................................... 27

Specifications............................................................................................................................... 26
Replacement Parts........................................................................................................................ 26
Technical Support ........................................................................................................................ 26

Appendix C: Tables .................................................... 27

Table 1: Concentration of dissolved oxygen (mg/L) in water at
various temperatures and pressures ............................................................................................. 27
Table 2: Salinity correction factors for dissolved oxygen in water (based on conductivity) ...... 32