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.

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
$16.99

Mfr. Part # 2972226

Product # 702022

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
$16.99

Mfr. Part # 2971826

Product # 702020

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
$30.45

Mfr. Part # 1440042

Product # 701019

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
$35.19

Mfr. Part # LZW9710.99

Product # 703842

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

Mfr. Part # LZW9700.99

Product # 703840

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

Mfr. Part # 2974549

Product # 702032