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Oxidation Reduction Potential (ORP)

Oxidation Reduction Potential (ORP) is an important method for testing water quality, providing an easy way to understand sanitation levels and cleanliness of water applications.

Oxidation Reduction Potential
ORP measures the water’s ability to accept or release electrons and is typically used to determine the oxidizing or reducing potential of a water sample, indicating possible contamination. The more positive the ORP value, the greater the tendency the water has to oxidize organisms or other material in the water, therefore killing or destroying them.

ORP measurement is integral to water quality because it indicates how sanitized or contaminated water is.  ORP is used for drinking water, swimming pools, spas, cooling tower disinfection, groundwater remediation, bleaching, cyanide destruction, chrome reductions, metal etching, fruit and vegetable disinfection and dechlorination.

ORP monitoring is widely used within the water treatment and food processing industries to ensure that water is free of contaminants and safe to recycle or consume. In order to be safe to consume, recycle, or come in contact with our skin, water is treated with a sanitizing agent to have a higher oxidation potential, which then produces a higher ORP reading.  Understanding ORP values helps to determine water quality, allowing operators to decide what treatment processes are required.  Excess chlorine in wastewater effluent will result in a large positive value of ORP and the presence of hydrogen sulfide will result in a large negative value.

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MetriNet Multiparameter Water Quality Monitor
Parameters
Chlorine, CIO2, Conductivity, Dissolved Ammonia, NO2-N/NO2, ORP, PAA, pH, Pressure, Residual Sulfite, Turbidity, UV254
Chlorine, CIO2, Conductivity, Dissolved Ammonia, NO2-N/NO2, ORP, PAA, pH, Pressure, Residual Sulfite, Turbidity, UV254
micro::station Monitoring Station for Wastewater
Parameters
ClO2, Color, Conductivity, DOC, FCl/TCL, Fingerprint, FTU/NTU, H2O2, H2S2, HS, K+, NH4-N, NO2-N/NO2, NO3-N/NO3, O2, ORP, pH, Pressure, PSU, Salinity, Temperature, TOC, TSS, UV254
ClO2, Color, Conductivity, DOC, FCl/TCL, Fingerprint, FTU/NTU, H2O2, H2S2, HS, K+, NH4-N, NO2-N/NO2, NO3-N/NO3, O2, ORP, pH, Pressure, PSU, Salinity, Temperature, TOC, TSS, UV254
SiteBox Portable Water Quality Monitor
Parameters
CIO2, Chlorine, Conductivity, Dissolved Ammonia, Dissolved Sulfide, F-, NO2-N/NO2, O2, O3, ORP, PAA, pH, Pressure, Turbidity, UV254
CIO2, Chlorine, Conductivity, Dissolved Ammonia, Dissolved Sulfide, F-, NO2-N/NO2, O2, O3, ORP, PAA, pH, Pressure, Turbidity, UV254
Q45R ORP Monitor
Parameters
ORP, Temperature
ORP, Temperature
redo::lyser ORP Physical Sensor
Parameters
ORP, Temperature
ORP, Temperature
Q46R ORP Monitor
Parameters
ORP, Temperature
ORP, Temperature
micro::station Monitoring Station for Drinking Water
Parameters
ClO2, Color, Conductivity, DOC, F-, FCl/TCL, Fingerprint, FTU/NTU, H2O2, H2S2, K+, NH4-N, NO2-N/NO2, NO3-N/NO3, O2, O3, ORP, PAA, pH, Pressure, Temperature, TOC, UV254
ClO2, Color, Conductivity, DOC, F-, FCl/TCL, Fingerprint, FTU/NTU, H2O2, H2S2, K+, NH4-N, NO2-N/NO2, NO3-N/NO3, O2, O3, ORP, PAA, pH, Pressure, Temperature, TOC, UV254
SeptiNet Smart Wastewater Monitoring For Sewer Networks
Parameters
Hydrogen Sulfide, ORP
Hydrogen Sulfide, ORP
M-Node Smart Sensors
Parameters
CIO2, Combined Chlorine, Conductivity, F-, Free Chlorine, H2O2, NO2-N/NO2, O2, O3, ORP, PAA, pH, Pressure, Total Chlorine, Turbidity
CIO2, Combined Chlorine, Conductivity, F-, Free Chlorine, H2O2, NO2-N/NO2, O2, O3, ORP, PAA, pH, Pressure, Total Chlorine, Turbidity

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