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46 World Precision Instruments

Table of Contents

Table of Contents3
Quick Start5
- Resistance5
- Voltage5
- TEER Calculations6
About this Manual7
Introduction7
- EVOM3 Features8
- Enefit8
- STX2-PLUS Features9
- Enefit9
- Notes and Warnings9
- Tips and Advice10
Parts List11
- Unpacking12
Instrument Description13
- EVOM3 Meter13
- STX2-PLUS Electrodes13
- Theory of Operation14
- Main Display14
- Setup Page15
- Plate Selection Page and Plate Preview15
- Mode Units16
- Blank Handling Page17
- Setting the Date and Time17
- Probe Null18
- Storing Data19
- Viewing Data in Microsoft Excel or Other Spreadsheet Program20
- USB Testing21
System Messages22
- Last Cell Warning22
- Power Level Messages22
- Reloading a Backup File after Power Failure24
Operations25
- Instrument Diagnostics and Calibration25
- Making Resistance Measurements26
- Making Voltage Measurements28
Maintenance30
- Cleaning/Maintaining the STX2-PLUS Electrodes30
- Disinfecting the STX2-PLUS Electrodes30
- Sterilizing the STX2-PLUS Electrode31
- Rechloriding the Electrodes31
- Storing the Electrodes31
- Testing the STX2-PLUS Electrodes32
Accessories32
Troubleshooting33
Specifications38
Appendix A: Kcl Testing Mixtures39
Appendix B: File Formats39
- Resistance (*.CSV)39
- Voltage (*.Csv)39
Appendix C: Continuous Recording Via Usb (Python) on a Pc40
- Running the External Data Connection Output Program (PC, Mac, Linux)40
- Sample CSV Recording42
Appendix D: 24 MM Diameter (6-Well) Inserts43
Appendix E: Improving the Accuracy and Repeatability of the System43
Appendix F: Resistance Calculations45
- Resistance45
- Resistance Value of the "Blank" Insert45
- Unit Area Resistance46
- TEER Calculations47
Appendix G: Frequently Asked Questions47
Declaration of Conformity48
Warranty51
- Claims and Returns51
- Repairs51