Accurate, Reliable and Continuous Liquid Analysis Solutions​
Efficiently measure pH levels, ORP levels, conductivity levels, dissolved oxygen concentration, ozone concentration, chlorine concentration and turbidity levels across your liquid processes. Rosemount liquid analysis sensors are available for an array of applications like chemical, power, refining, water & wastewater, food & beverage, life sciences and more. Choose from a variety of analytical sensors that meet your demanding needs, while providing continuous inline measurement.​
Products
Products
Liquid Analysis Transmitters​
Analytical Sensors​
Accessories​
Inline Refractometers​
Process Liquid Analytical Solutions​
Product Applications
Chemical
pH Measurement & ORP Measurement in Wet Gas Scrubbers
Conductivity Measurement of Chemical Concentration Control
Conductivity Measurement in Wet Gas Scrubbers
Ensure Lithium-ion Battery Electrolyte Quality With Improved Conductivity Measurement
Improve Lithium-ion Battery Cathode Precursor pH Measurement
pH Measurement in Chlor-alkali Plants
Conductivity Measurement in Sulfuric Acid Manufacturing
Conductivity Measurement in Chemical Separators
Conductivity Measurement in Green Hydrogen Production
Resources
How pH Sensors Work​
How Toroidal Sensors Work​
pH Measurement Challenges in Harsh Chemical Applications​
Frequently Asked Questions​
The right liquid analysis sensor depends on the measurement parameter, process conditions and maintenance requirements. Key factors include temperature, pressure, chemical compatibility, fouling risk, mounting location, calibration needs and communication requirements.
The best sensor technology depends on the target measurement, process chemistry and operating conditions. pH and ORP sensors measure acidity, alkalinity and oxidation-reduction potential. Conductivity sensors measure ionic concentration or water purity. Dissolved oxygen, chlorine, ozone and turbidity sensors support oxygen control, disinfection monitoring and suspended solids measurement.
Choose liquid analysis instruments by matching the sensor, transmitter, housing and wetted materials to the application environment. Harsh processes often require corrosion resistance, high-temperature capability, pressure ratings or hazardous-area approvals. Sanitary and high-purity applications require cleanable designs, compatible materials and low-contamination measurement.
A liquid analysis sensor measures the process variable. A transmitter converts the sensor signal into usable measurement data, supports calibration and communicates with the control system. A complete analytical system may include cables, mounting hardware, sample handling, panels and accessories for installation and operation.
Liquid analysis diagnostics reduce maintenance by helping teams detect sensor degradation, signal issues, calibration drift and process-related problems before measurements become unreliable. Digital sensors and advanced transmitters can support faster troubleshooting, more consistent calibration and better maintenance decisions.