Appendix A: Factory Default Settings; Appendix B: Conductivity To Tds Conversion Factors - Extech Instruments EC100 User Manual

Appendix A: Factory Default Settings

Appendix B: Conductivity to TDS Conversion Factors

Conductivity at
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Type Parameter
P1.1 Select °C/°F
P1.2 Normalized Temperature (reference temperature)
P1.3 Temperature Coefficient
P3.1 Revert to Factory Default settings
P4.1
Review previous Calibration data
P4.2
TDS KCl
25°C
ppm Factor
23 µS 11.6 0.5043
84 µS 40.38 0.4807
447 µS 225.6 0.5047
1413 µS 744.7 0.527
1500 µS 757.1 0.5047
2070 µS 1045 0.5048
2764 µS 1382 0.5
8974 µS 5101 0.5685
12,880 µS 7447 0.5782
15,000 µS 8759 0.5839
80mS 52,168 0.6521
*442: 40% sodium sulfate, 40% sodium bicarbonate, and 20% chloride
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Default Notes
°C Temperature units
25°C Select 20°C or 25°C
2.1% / °C Adjust from 0.4 to 10%
NO Select YES to revert to default settings
----- Calibration Data for Range 1
----- Calibration Data for Range 2
TDS NaCl TDS 442*
ppm Factor ppm
10.7 0.4652 14.74
38.04 0.4529 50.5
215.5 0.4822 300
702.1 0.4969 1000
737.1 0.4914 1050
1041 0.5029 1500
1414.8 0.5119 2062.7
4487 0.5 7608
7230 0.5613 11,367
8532 0.5688 13,455
48,384 0.6048 79,688
9
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Factor
0.6409
0.6012
0.6712
0.7078
0.7
0.7246
0.7463
0.8478
0.8825
0.897
0.9961
EC100-EU-EN v2.2 06/13
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