Conductivity, Salinity & TDS Testing


Get accurate water quality measurements with tools for testing conductivity, salinity, and TDS.


Explore a selection of conductivity, salinity, and TDS tools that help ensure high-quality water testing in your facility. These effective and accurate measurement devices and solutions ensure you can test to the highest degree.

Hach Certified OIML Conductivity Standard Solution, 1408 µS/cm, KCl 0.01D, 500 mL, S51M003
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Hach Certified OIML Conductivity Standard Solution, 1408 µS/cm, KCl 0.01D, 500 mL, S51M003
$114.00

Mfr. Part # S51M003

Product # 704045

Hach Conductivity Standard Solution, 12.88 mS/cm, KCl, 125mL, LZW9721.99
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Hach Conductivity Standard Solution, 12.88 mS/cm, KCl, 125mL, LZW9721.99
$25.19

Mfr. Part # LZW9721.99

Product # 703845

Hach Conductivity Standard Solution, 12.88 mS/cm, KCl, 250mL, LZW9720.99
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Hach Conductivity Standard Solution, 12.88 mS/cm, KCl, 250mL, LZW9720.99
$34.60

Mfr. Part # LZW9720.99

Product # 703844

Hach Conductivity Standard Solution, 1413 µS/cm, KCl, 125mL, LZW9711.99
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Hach Conductivity Standard Solution, 1413 µS/cm, KCl, 125mL, LZW9711.99
$25.19

Mfr. Part # LZW9711.99

Product # 703843

Hach Conductivity Standard Solution, 147 µS/cm, KCl, 125mL, LZW9701.99
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Hach Conductivity Standard Solution, 147 µS/cm, KCl, 125mL, LZW9701.99
$25.19

Mfr. Part # LZW9701.99

Product # 703841

Hach Conductivity Standard Solution, 146.9 µS/cm, KCl, 500 mL, C20C280
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Hach Conductivity Standard Solution, 146.9 µS/cm, KCl, 500 mL, C20C280
$86.79

Mfr. Part # C20C280

Product # 703291

Hach Conductivity Standard Solution, 1413 µS/cm, KCl, 500 mL, C20C270
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Hach Conductivity Standard Solution, 1413 µS/cm, KCl, 500 mL, C20C270
$86.79

Mfr. Part # C20C270

Product # 703290

Hach Natural Water Standard Solution, 3000 ppm Total Dissolved Solids (TDS), 500 mL, 2974849
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Hach Natural Water Standard Solution, 3000 ppm Total Dissolved Solids (TDS), 500 mL, 2974849
$70.55

Mfr. Part # 2974849

Product # 702038

Hach Natural Water Standard Solution, 3000 ppm Total Dissolved Solids (TDS), 50 mL, 2974826
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Hach Natural Water Standard Solution, 3000 ppm Total Dissolved Solids (TDS), 50 mL, 2974826
$17.09

Mfr. Part # 2974826

Product # 702037

Hach Natural Water Standard Solution, 1000 ppm Total Dissolved Solids (TDS), 500 mL, 2974749
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Hach Natural Water Standard Solution, 1000 ppm Total Dissolved Solids (TDS), 500 mL, 2974749
$70.55

Mfr. Part # 2974749

Product # 702036

Hach Natural Water Standard Solution, 300 ppm Total Dissolved Solids (TDS), 500 mL, 2974649
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Hach Natural Water Standard Solution, 300 ppm Total Dissolved Solids (TDS), 500 mL, 2974649
$70.55

Mfr. Part # 2974649

Product # 702034

Hach Conductivity Standard Solution, 12890 µS/cm, KCl, 50 mL, 2974426
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Hach Conductivity Standard Solution, 12890 µS/cm, KCl, 50 mL, 2974426
$17.09

Mfr. Part # 2974426

Product # 702029

Hach Conductivity Standard Solution, 12890 µS/cm, KCl, 500 mL, 2974449
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Hach Conductivity Standard Solution, 12890 µS/cm, KCl, 500 mL, 2974449
$70.55

Mfr. Part # 2974449

Product # 702030

Hach Conductivity Standard Solution, 1412 µS/cm, KCl, 500 mL, 2974349
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Hach Conductivity Standard Solution, 1412 µS/cm, KCl, 500 mL, 2974349
$70.55

Mfr. Part # 2974349

Product # 702028

Hach Conductivity Standard Solution, 1412 µS/cm, KCl, 50 mL, 2974326
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Hach Conductivity Standard Solution, 1412 µS/cm, KCl, 50 mL, 2974326
$17.09

Mfr. Part # 2974326

Product # 702027

Hach Conductivity Standard Solution, 146.9 µS/cm, KCl, 500 mL, 2974249
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Hach Conductivity Standard Solution, 146.9 µS/cm, KCl, 500 mL, 2974249
$70.55

Mfr. Part # 2974249

Product # 702026

Hach Sodium Chloride Standard Solution, 10,000 µS/cm, 500 mL, 2972249
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Hach Sodium Chloride Standard Solution, 10,000 µS/cm, 500 mL, 2972249
$66.59

Mfr. Part # 2972249

Product # 702023

Hach Conductivity Standard Solution, 146.9 µS/cm, KCl, 50 mL, 2974226
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Hach Conductivity Standard Solution, 146.9 µS/cm, KCl, 50 mL, 2974226
$17.09

Mfr. Part # 2974226

Product # 702025

Hach Conductivity Standard Solution, 10000 µS/cm, NaCl, 50 mL, 2972226
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Hach Conductivity Standard Solution, 10000 µS/cm, NaCl, 50 mL, 2972226
$16.99

Mfr. Part # 2972226

Product # 702022

Hach Sodium Chloride Standard Solution, 100 µS/cm, 500 mL, 2971849
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Hach Sodium Chloride Standard Solution, 100 µS/cm, 500 mL, 2971849
$66.59

Mfr. Part # 2971849

Product # 702021

Hach Conductivity Standard Solution, 100 µS/cm, NaCl, 50 mL, 2971826
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Hach Conductivity Standard Solution, 100 µS/cm, NaCl, 50 mL, 2971826
$16.99

Mfr. Part # 2971826

Product # 702020

Hach Conductivity Standard Solution, 180 µS/cm, NaCl, 100 mL, 2307542
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Hach Conductivity Standard Solution, 180 µS/cm, NaCl, 100 mL, 2307542
$25.19

Mfr. Part # 2307542

Product # 701411

Hach Sodium Chloride Standard Solution, 491 mg/L NaCl (1000 µS/cm), 100 mL, 1440042
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Hach Sodium Chloride Standard Solution, 491 mg/L NaCl (1000 µS/cm), 100 mL, 1440042
$30.45

Mfr. Part # 1440042

Product # 701019

Hach Sodium Chloride Standard Solution, 491 mg/L NaCl (1000 µS/cm), 500 mL, 1440049
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Hach Sodium Chloride Standard Solution, 491 mg/L NaCl (1000 µS/cm), 500 mL, 1440049
$86.49

Mfr. Part # 1440049

Product # 701020

Hach Conductivity Standard Solution, 1413 µS/cm, KCl, 250mL, LZW9710.99
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Hach Conductivity Standard Solution, 1413 µS/cm, KCl, 250mL, LZW9710.99
$35.19

Mfr. Part # LZW9710.99

Product # 703842

Hach Conductivity Standard Solution, 147 µS/cm, KCl, 250mL, LZW9700.99
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Hach Conductivity Standard Solution, 147 µS/cm, KCl, 250mL, LZW9700.99
$34.60

Mfr. Part # LZW9700.99

Product # 703840

Hach Pocket Pro+ Multi 2 Tester for pH/Cond/TDS/Salinity with Replaceable Sensor, 9532800
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Hach Pocket Pro+ Multi 2 Tester for pH/Cond/TDS/Salinity with Replaceable Sensor 9532800
$485.00

Mfr. Part # 9532800

Product # 702553

Hach Natural Water Standard Solution, 30 ppm Total Dissolved Solids (TDS), 500 mL, 2974549
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Hach Natural Water Standard Solution, 30 ppm Total Dissolved Solids (TDS), 500 mL, 2974549
$70.55

Mfr. Part # 2974549

Product # 702032

Hach IntelliCAL CDC401 Field 4-Poles Graphite TDS Cell, 30 m Cable, CDC40130
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Hach IntelliCAL CDC401 Field 4-Poles Graphite TDS Cell, 30 m Cable, CDC40130
$1,445.00

Mfr. Part # CDC40130

Product # 703301

Hach IntelliCAL CDC401 Field 4-Poles Graphite TDS Cell, 15 m Cable, CDC40115
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Hach IntelliCAL CDC401 Field 4-Poles Graphite TDS Cell, 15 m Cable, CDC40115
$1,322.00

Mfr. Part # CDC40115

Product # 703300

Hach IntelliCAL CDC401 Field 4-Poles Graphite TDS Cell, 10 m Cable, CDC40110
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Hach IntelliCAL CDC401 Field 4-Poles Graphite TDS Cell, 10 m Cable, CDC40110
$1,255.00

Mfr. Part # CDC40110

Product # 703299

Hach IntelliCAL CDC401 Laboratory 4-Poles Graphite TDS Cell, 3 m Cable, CDC40103
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Hach IntelliCAL CDC401 Laboratory 4-Poles Graphite TDS Cell, 3 m Cable, CDC40103
$741.00

Mfr. Part # CDC40103

Product # 703298

Hach HQ4200 Portable Meter w/ Rugged Field Gel pH & TDS Electrodes, 5 m Cables, LEV015.53.42003
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Hach HQ4200 Portable Meter with Rugged Field Gel pH & TDS Electrodes 5m Cables LEV015.53.42003
$4,553.00

Mfr. Part # LEV015.53.42003

Product # 703546

Hach HQ4100 Portable Multi-Meter w/ Rugged Field TDS Electrode, 5 m Cable, LEV015.53.41005
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Hach HQ4100 Portable Multi-Meter with Rugged Field TDS Electrode 5m Cable LEV015.53.41005
$3,137.00

Mfr. Part # LEV015.53.41005

Product # 703543

Hach HQ4100 Portable Multi-Meter w/ TDS Electrode, 1 m Cable, LEV015.53.41004
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Hach HQ4100 Portable Multi-Meter with TDS Electrode 1m Cable LEV015.53.41004
$2,678.00

Mfr. Part # LEV015.53.41004

Product # 703542

Hach HQ2100 Portable Multi-Meter w/ Rugged Field TDS Electrode, 5 m Cable, LEV015.53.21007
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Hach HQ2100 Portable Multi-Meter with Rugged Field TDS Electrode 5m Cable LEV015.53.21007
$2,867.00

Mfr. Part # LEV015.53.21007

Product # 703530

Hach HQ2100 Portable Multi-Meter w/ TDS Electrode, 1 m Cable, LEV015.53.21006
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Hach HQ2100 Portable Multi-Meter with TDS Electrode 1m Cable LEV015.53.21006
$2,311.00

Mfr. Part # LEV015.53.21006

Product # 703529

Hach HQ1140 Portable Dedicated TDS Meter w/ Rugged Field TDS Electrode, 5 m Cable, LEV015.53.11402
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Hach HQ1140 Portable Dedicated TDS Meter with Rugged Field TDS Electrode 5m Cable LEV015.53.11402
$2,557.00

Mfr. Part # LEV015.53.11402

Product # 703523

Hach HQ1140 Portable Dedicated TDS Meter w/ TDS Electrode, 1 m Cable, LEV015.53.11401
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Hach HQ1140 Portable Dedicated TDS Meter with TDS Electrode 1m Cable LEV015.53.11401
$2,001.00

Mfr. Part # LEV015.53.11401

Product # 703522

Hach HQ430D Laboratory TDS/TDS Meter Package w/ 4 Poles Graphite CDC401 Cell, 8509600
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Hach HQ430D Laboratory TDS/TDS Meter Package with 4 Poles Graphite CDC401 Cell 8509600
$3,005.00

Mfr. Part # 8509600

Product # 702369

Hach HQ1140 Portable Conductivity/TDS Meter, w/o Electrode, LEV015.53.1140A
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Hach HQ1140 Portable Conductivity/TDS Meter with Out Electrode LEV015.53.1140A
$941.00

Mfr. Part # LEV015.53.1140A

Product # 700082

Hach IntelliCAL CDC401 Field 4-Poles Graphite Conductivity Cell, 5 m Cable, CDC40105
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Hach IntelliCAL CDC401 Field 4-Poles Graphite Conductivity Cell 5m Cable CDC40105
$1,196.00

Mfr. Part # CDC40105

Product # 700091

Hach IntelliCAL CDC401 Laboratory 4-Poles Graphite Conductivity Cell, 1 m Cable, CDC40101
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Hach IntelliCAL CDC401 Laboratory 4-Poles Graphite Conductivity Cell, 1 m Cable, CDC40101
$686.00

Mfr. Part # CDC40101

Product # 700090