About Liquid Analysis Sensors

About Liquid Analysis Sensors

Streamline liquid process performance & minimize energy usage with online liquid sensors and process diagnostics for measurable results.

Liquid Sensor Applications

Greater Process Control with Rosemount Liquid Analysis Sensors

Accurate and reliable control of your process liquids is critical to ensuring efficiencies across your processes. We offer a wide range of liquid analytical sensors, including pH sensors, conductivity sensors, chlorine sensors, dissolved oxygen sensors and more. Rosemount analytical sensors provide rich online diagnostics with measurable results to help you streamline process performance with innovative improvements that can increase throughput, minimize energy usage and improve quality.

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How it Works

Rosemount conductivity sensors measure the total concentration of ions in solution. Choose metal-electrode contacting sensors for low conductivity clean water applications. Pharma applications include WFI and CIP.

For corrosive, dirty, or high conductivity samples choose a toroidal (inductive) sensor.

Analytical sensors with rich online diagnostics help users streamline process performance with innovative improvements that increase throughput, minimize energy usage, and improve quality.


Learn More About Conductivity Theory >>

pH is the unit of measure for the acidity of a solution in a process. Product quality depends on pH and Emerson has a sensor for your needs, whether it is poisoning, coating, high temperature, low conductivity, or sanitary. 

General purpose pH sensors are for most industries and applications, various mounting options provide optimum versatility. 

PERpH-X™ & TUpH™ sensors excel in harsh applications. Steam sterilizable sensors provide a stable signal after repeated sterilization cycles. 


Learn More About pH Theory >>

Learn about the two basic ways to calibrate a conductivity sensor: against a standard solution or against a referee meter and sensor. A referee meter and sensor is an instrument that has been previously calibrated and is known to be accurate and reliable. The referee instrument can be used in either an in-process calibration or a grab sample calibration. In-process calibration involves connecting the process and referee sensors in series and measuring the conductivity of the process liquid simultaneously


Learn More About Toroidal Conductivity Calibration >>

Learn More About Contacting Conductivity Calibration >>

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Conductivity Measurement : A Key to Dairy Industry Success

Learn how conductivity measurement helped a large dairy producer gain efficiencies within the clean-in-place process.

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