Emerson Automation Solutions – Rosemount Datasheets for Oxidation Reduction Potential (ORP) Electrodes

Oxygen reduction potential (ORP) electrodes are analytical sensors for measuring oxidation-reduction potential (ORP).
Oxidation Reduction Potential (ORP) Electrodes: Learn more

Product Name Notes
Models 3900 and 3900VP are provided with a double junction reference, which protects the reference element from poisoning ions – such as ammonia, chlorine, cyanides, and sulfides – in the...
The 3500P and 3500VP are the foundation of the Rosemount Analytical PERpH-X™ high performance pH / ORP sensor offering. The 3500P sensors incorporate several design innovations that prolong the life...
The chemical-resistant construction of Tefzel®, titanium, and the patented TUpH™ reference junction makes Models 398 and 398R the ideal sensors for measuring pH in harsh process liquids. Model 398R/RVP sensors...
The TUpH™ reference junction and helical pathway combined with the AccuGlass™ pH glass perform exceptionally well in dirty, high solid applications and require only minimum maintenance. Model 396R retractable sensor...
The ultimate in high temperature performance, these sensors incorporate several design innovations that prolong the life of the sensor in difficult hot processes. The 3400 is the retractable version of...
LONGER SENSOR LIFE provided by triple junction reference cell in process solutions containing poisoning ions. SUPERIOR CHEMICAL RESISTANCE provided by rugged Tefzel® body, completely sealed to eliminate sensor leakage. NOISE...
QUICK CABLE-TO-SENSOR RELEASE, provided by the watertight VP 6.0 connector, eliminates cable twisting. MINIMUM SENSOR MAINTENANCE due to TUpH™ reference technology¹ which ensures steady pH signal when sensor is coated.
RETRACTABLE SENSOR can be easily removed and replaced under pressure without process shutdown. CHEMICALLY RUGGED TEFZEL® BODY with titanium tube provides maximum resistance and is completely sealed to eliminate sensor...
SILCORE™2 TECHNOLOGY PROVIDES INCREASED SENSOR LIFE when used in elevated temperature applications. QUICK CABLE-TO-SENSOR RELEASE, provided by the watertight VP multiple pin connector, eliminates cable twisting. MINIMUM SENSOR...