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EVOM3
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WPI EVOM3 - Instrument Description; EVOM3 Meter Overview; STX2-PLUS Electrode Description
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EVOM3
World Precision Instruments
9
INSTRUMENT DESCRIPTION
EVOM3 Meter
Fig. 3—USB port, Electrode connection
Fig. 4—Foot switch, Future expansion, reset, power connection, power switch
STX2-PLUS Electrodes
Fig. 5—STX2-PLUS electrode
12
14
Table of Contents
Main Page
Table of Contents
3
Quick Start
5
Resistance
5
Voltage
5
TEER Calculations
6
About this Manual
7
Introduction
7
EVOM3 Features
8
Enefit
8
STX2-PLUS Features
9
Enefit
9
Notes and Warnings
9
Tips and Advice
10
Parts List
11
Unpacking
12
Instrument Description
13
EVOM3 Meter
13
STX2-PLUS Electrodes
13
Theory of Operation
14
Main Display
14
Setup Page
15
Plate Selection Page and Plate Preview
15
Mode Units
16
Blank Handling Page
17
Setting the Date and Time
17
Probe Null
18
Storing Data
19
Viewing Data in Microsoft Excel or Other Spreadsheet Program
20
USB Testing
21
System Messages
22
Last Cell Warning
22
Power Level Messages
22
Reloading a Backup File after Power Failure
24
Operations
25
Instrument Diagnostics and Calibration
25
Making Resistance Measurements
26
Making Voltage Measurements
28
Maintenance
30
Cleaning/Maintaining the STX2-PLUS Electrodes
30
Disinfecting the STX2-PLUS Electrodes
30
Sterilizing the STX2-PLUS Electrode
31
Rechloriding the Electrodes
31
Storing the Electrodes
31
Testing the STX2-PLUS Electrodes
32
Accessories
32
Troubleshooting
33
Specifications
38
Appendix A: Kcl Testing Mixtures
39
Appendix B: File Formats
39
Resistance (*.CSV)
39
Voltage (*.Csv)
39
Appendix C: Continuous Recording Via Usb (Python) on a Pc
40
Running the External Data Connection Output Program (PC, Mac, Linux)
40
Sample CSV Recording
42
Appendix D: 24 MM Diameter (6-Well) Inserts
43
Appendix E: Improving the Accuracy and Repeatability of the System
43
Appendix F: Resistance Calculations
45
Resistance
45
Resistance Value of the "Blank" Insert
45
Unit Area Resistance
46
TEER Calculations
47
Appendix G: Frequently Asked Questions
47
Declaration of Conformity
48
Warranty
51
Claims and Returns
51
Repairs
51
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