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.

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
$24.85

Mfr. Part # CS9912-P

Product # 706862

Core & Main Conductivity Standard, 10,000 µS/cm, 4 L
$127.15

Mfr. Part # CS9910-G

Product # 706861

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
$36.30

Mfr. Part # CS5000-Q

Product # 706859

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
$19.50

Mfr. Part # CS2764-P

Product # 706857

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
$19.15

Mfr. Part # CS1413-P

Product # 706855

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
$64.45

Mfr. Part # CS0500-G

Product # 706853

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
$18.75

Mfr. Part # CS0084-P

Product # 706851

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
$79.45

Mfr. Part # CS0010-P

Product # 706849

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

Mfr. Part # 25M3A2000-500

Product # 702715

Hach Pocket Pro Salinity Tester, 9531600
$214.00

Mfr. Part # 9531600

Product # 702544

Hach Pocket Pro High Range Water Conductivity Meter Tester 9531500
$187.00

Mfr. Part # 9531500

Product # 702543

Hach Pocket Pro Low Range Water Conductivity Meter Tester 9531400
$187.00

Mfr. Part # 9531400

Product # 702542

Hach Pocket Pro High Range TDS Tester, 9531300
$187.00

Mfr. Part # 9531300

Product # 702541

Hach Pocket Pro Low Range TDS Tester, 9531200
$193.00

Mfr. Part # 9531200

Product # 702540

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

Mfr. Part # 1442326

Product # 701025

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

Mfr. Part # 1440026

Product # 701018