Conductivity Standards


Calibration solutions for conductivity measurement accuracy.


Find a high-quality selection of Aeration tools and accessories for plant applications. Our extensive offering of liquid aeration products keeps your plant running smoothly and enhances the performance of vacuum pumps and blower motors.

Core & Main Conductivity Standard, 15,000 µS/cm, 500 mL
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Core & Main Conductivity Standard, 15,000 µS/cm, 500 mL
$19.50

Mfr. Part # CS9915-P

Product # 706863

Core & Main Conductivity Standard, 12,880 µS/cm, 500 mL
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Core & Main Conductivity Standard, 12,880 µS/cm, 500 mL
$24.85

Mfr. Part # CS9912-P

Product # 706862

Core & Main Conductivity Standard, 8974 µS/cm, 500 mL
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Core & Main Conductivity Standard, 8974 µS/cm, 500 mL
$19.50

Mfr. Part # CS8974-P

Product # 706860

Core & Main Conductivity Standard, 5000 µS/cm , 1 L
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Core & Main Conductivity Standard, 5000 µS/cm , 1 L
$36.30

Mfr. Part # CS5000-Q

Product # 706859

Core & Main Conductivity Standard, 2500 µS/cm, 1 L
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Core & Main Conductivity Standard, 2500 µS/cm, 1 L
$29.95

Mfr. Part # CS2500-Q

Product # 706858

Core & Main Conductivity Standard, 2764 µS/cm, 500 mL
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Core & Main Conductivity Standard, 2764 µS/cm, 500 mL
$19.50

Mfr. Part # CS2764-P

Product # 706857

Core & Main Conductivity Standard, 1500 µS/cm, 500 mL
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Core & Main Conductivity Standard, 1500 µS/cm, 500 mL
$18.75

Mfr. Part # CS1500-P

Product # 706856

Core & Main Conductivity Standard, 1413 µS/cm, 500 mL
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Core & Main Conductivity Standard, 1413 µS/cm, 500 mL
$19.15

Mfr. Part # CS1413-P

Product # 706855

Core & Main Conductivity Standard, 1000 µS/cm, 1 L
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Core & Main Conductivity Standard, 1000 µS/cm, 1 L
$29.95

Mfr. Part # CS1000-Q

Product # 706854

Core & Main Conductivity Standard, 500 µS/cm, 4 L
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Core & Main Conductivity Standard, 500 µS/cm, 4 L
$64.45

Mfr. Part # CS0500-G

Product # 706853

Core & Main Conductivity Standard, 447 µS/cm, 500 mL
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Core & Main Conductivity Standard, 447 µS/cm, 500 mL
$18.75

Mfr. Part # CS0447-P

Product # 706852

Core & Main Conductivity Standard, 84 µS/cm, 500 mL
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Core & Main Conductivity Standard, 84 µS/cm, 500 mL
$18.75

Mfr. Part # CS0084-P

Product # 706851

Core & Main Conductivity Standard, 23 µS/cm, 500 mL
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Core & Main Conductivity Standard, 23 µS/cm, 500 mL
$79.50

Mfr. Part # CS0023-P

Product # 706850

Core & Main Conductivity Standard, 10 µS/cm, 500 mL
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Core & Main Conductivity Standard, 10 µS/cm, 500 mL
$79.45

Mfr. Part # CS0010-P

Product # 706849

Hach Conductivity Solution, 500 µS/cm, 1 L, 25M3A2000-500
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Hach Conductivity Solution, 500 µS/cm, 1 L, 25M3A2000-500
$214.00

Mfr. Part # 25M3A2000-500

Product # 702715

Hach Gallic Acid Solution, 50 mL SCDB, 1442326
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Hach Gallic Acid Solution, 50 mL SCDB, 1442326
$31.20

Mfr. Part # 1442326

Product # 701025

Hach Sodium Chloride Standard Solution, 491mg/L NaCl (1000 µS/cm), 1L, 1440053
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Hach Sodium Chloride Standard Solution, 491 mg/L NaCl (1000 µS/cm), 1 L, 1440053
$68.29

Mfr. Part # 1440053

Product # 701021

Hach Conductivity Standard Solution, 1000 µS/cm,NaCl, 50 mL, 1440026
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Hach Conductivity Standard Solution, 1000 µS/cm, NaCl, 50 mL, 1440026
$17.09

Mfr. Part # 1440026

Product # 701018

Hach Sodium Chloride Standard Solution, 85.47 mg/L (180 µS/cm), 1L, 2307553
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Hach Sodium Chloride Standard Solution, 85.47 mg/L (180 µS/cm), 1L, 2307553
$68.49

Mfr. Part # 2307553

Product # 701412

Hach Sodium Chloride Standard Solution, 18,000 µS/cm, 500 mL, 2307449
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Hach Sodium Chloride Standard Solution, 18000 µS/cm, 500 mL, 2307449
$50.65

Mfr. Part # 2307449

Product # 701410

Hach Conductivity Standard Solution, 18000 µS/cm, NaCl, 100 mL, 2307442
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Hach Conductivity Standard Solution, 18000 µS/cm, NaCl, 100 mL, 2307442
$24.95

Mfr. Part # 2307442

Product # 701409

Hach Conductivity Standard Solution, 1990 µS/cm, NaCl, 100 mL, 210542
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Hach Conductivity Standard Solution, 1990 µS/cm, NaCl, 100 mL, 210542
$26.25

Mfr. Part # 210542

Product # 700829

Hach 1990 µS/cm Conductivity Standard; (995 mg/L TDS, 1000 mg/L NaCl), 1L, 210553
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Hach 1990 µS/cm Conductivity Standard, 995 mg/L TDS, 1000 mg/L NaCl, 1 L, 210553
$68.49

Mfr. Part # 210553

Product # 700830

Hach Singlet™ Single-use Conductivity Standard Solution, 1413 µS/cm, KCl, 20 mL, 2771420
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Hach Singlet Single-use Conductivity Standard Solution 1413 S/cm KCl 20 mL 2771420
$77.85

Mfr. Part # 2771420

Product # 701913

Hach Singlet™ Single-use Conductivity Standard Solution, 12.88 mS/cm, KCl, 20 mL, 2771520
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Hach Singlet Single-use Conductivity Standard Solution 12.88 mS/cm KCl 20 mL 2771520
$77.85

Mfr. Part # 2771520

Product # 701914

Hach Singlet™ Single-use Conductivity Standard Solution, 147 µS/cm, KCl, 20 mL, 2771320
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Hach Singlet Single-use Conductivity Standard Solution 147 S/cm KCl 20 mL 2771320
$77.85

Mfr. Part # 2771320

Product # 701912

Hach Potassium Chloride Std Solution, 35.0 ppt Salinity, 53.0 mS/cm Conductivity, 500 mL, 2714349
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Hach Potassium Chloride Std Solution, 35.0 ppt Salinity, 53.0 mS/cm Conductivity, 500 mL, 2714349
$70.10

Mfr. Part # 2714349

Product # 701860

Hach Certified Conductivity Standard Solution, 25 μS/cm, NaCl 25, 250 mL, S51M013
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Hach Certified Conductivity Standard Solution, 25 μS/cm, NaCl 25, 250 mL, S51M013
$99.40

Mfr. Part # S51M013

Product # 704047

Hach Certified Conductivity Standard Solution, 1015 µS/cm, 0.05% NaCl, 500 mL, S51M004
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Hach Certified Conductivity Standard Solution, 1015 µS/cm, 0.05% NaCl, 500 mL, S51M004
$112.00

Mfr. Part # S51M004

Product # 704046

Hach Certified OIML Conductivity Standard Solution, 12.85 mS/cm, KCl 0.1D, 500 mL, S51M002
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Hach Certified OIML Conductivity Standard Solution, 12.85 mS/cm, KCl 0.1D, 500 mL, S51M002
$112.00

Mfr. Part # S51M002

Product # 704044

Hach Certified OIML Conductivity Standard Solution, 111.3 mS/cm, KCl 1D, 500 mL, S51M001
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Hach Certified OIML Conductivity Standard Solution, 111.3 mS/cm, KCl 1D, 500 mL, S51M001
$112.00

Mfr. Part # S51M001

Product # 704043

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