Hydro, Inc.

Water Purification Specialists

  • Home
  • News
  • Blog
  • Home
  • Profile
  • Products
    • Deionization
      • Service Deionization
      • Electronic Deionization
      • Auto Deionization
    • USP Pharmaceuticals
    • Reverse Osmosis
    • Laboratory Water
    • Hospitals
    • Industrial
    • University
    • Food/Beverage
    • Pumps
    • Ultraviolet Sterilization
    • Filtration/Softeners
    • Ozination
    • Tanks
    • Distillation
  • Services
  • Laboratory
  • USP
  • Hospitals
  • University
  • Industrial
  • Food/Beverage
  • Library
    • Conductivity & Resistivity Charts
    • Water Quality Standards
    • Earth’s Water Distribution
    • Hydrologic Cycle
    • Glossary
  • Contact Us
You are here: Home / Conductivity & Resistivity Charts

Conductivity & Resistivity Charts

Conductivity and Resistivity Chart

(NaCl and CaCO3 Solutions at 25 Degrees C)
GRAINS/Gal
as CaCO
PPM
as CaCO
PPM
NaCl
Conductivity
microhms/cm
Resistivity
megohms/cm
99.31700200038600.00026
74.51275150029300.00034
49.6850100019900.0005
24.842550010200.00099
9.931702004150.0024
7.45127.51503150.0032
4.96851002100.0048
2.4842.5501050.0095
0.992172042.70.023
0.74212.71532.10.031
0.4968.51021.40.047
0.2484.25510.80.093
0.0991.724.350.023
0.0741.271.53.280.3
0.0480.8512.210.45
0.0250.420.51.130.88
0.00990.170.20.492.05
0.00760.130.150.382.65
0.0050.0850.10.273.7
0.00250.0420.050.166.15
0.000990.0170.020.09810.2
0.00070.0120.0150.08711.5
0.000470.0080.010.07613.1
0.000230.0040.0050.06615.2
0.000120.0020.0020.05916.9
0.000060.0010.0010.05717.6
nonenonenone0.05518.3
117 Merchants Park Drive
Hoschton, GA 30548
(706) 654-5333
Metro Atlanta
800-579-6869
Outside Metro Atlanta

© 2023 Hydro, Inc.
Water Quality Specialists

Definitioner

PPM
the abbreviation for part per million.
Conductivity
the quality or power to carry electrical current; in water, the conductivity is related to the concentration of ions capable of carrying electrical current.