Rosemount Model 399 Analytical pH/ORP Sensors

• NEW OPTIONS to meet a variety of application requirements, including:

• Low ionic strength water
• Processes with hydrofluoric acid, high pH, and reference poisoning elements

• NEW QUICK CABLE-TO-SENSOR RELEASE, provided by the watertight VP multiple-pin connector, eliminates cable twisting.
• EXTENDED SENSOR LIFE provided by double or triple junction reference cell in process solutions containing poisoning ions.
• OPTIMUM VERSITILITY for various mounting options provided by one-piece construction with process threads in two places.
• MAXIMUM CHEMICAL RESISTANCE provided by rugged Tefzel®¹ body, completely sealed to eliminate sensor leakage.
• ENHANCED PERFORMANCE AND INCREASED LIFE with minimized glass cracking provided by field-proven AccuGlass® pH glass formulations.

 

Rosemount Analytical Model 381+ Insertion/Submersion Flow Through Sensor

• ADVANCED ON-LINE SENSOR DIAGNOSTICS¹ (Model 381+ only), for use with the Model 54pH/ORP Analyzer and 3081pH/ORP Transmitter, predict and identify process-related sensor failures.
• MODULAR DESIGN facilitates maintenance by eliminating terminal and mounting brackets and extraneous hardware.
• DOUBLE-JUNCTION, GEL-FILLED REFERENCE CELL provides high temperature performance, extended service life, and resistance to the effects of pumping, dilution, and contamination.
• MOLDED POLYETHERSULFONE (PES) BODY provides compatibility with a variety of processes.
• OPTIONAL FLOW-POWERED OR ULTRASONIC CLEANING provides trouble-free service in difficult applications.