Rosemount Analytical 328A Specifications
Rosemount™ 328A
Steam Sterilizable pH sensor
Product Data Sheet
June 2017
LIQ-PDS-328A
A robust pH sensor that meets steam sterilization requirements
The Rosemount 328A pH sensors are specifically built for service in applications that require repeated steam sterilization up to 130 °C.
Sensors are suitable for use in many food, beverage, and pharmaceutical applications.
Rosemount 328A Steam Sterilizable pH sensor
Overview
June 2017
Rugged Sensor Design
Mechanical and thermal shock resistant special pH sensitive
glass membrane for extended sensor life in high temperature
sterilizations.
Non-flowing junction minimizes maintenance requirements
and eliminates the need for expensive pressurization
hardware.
Extend sensor life with poisoning ion resistant double
junction reference cell.
Ceramic body and high temperature cable permits autoclave
sterilization up to 130 °C.
Versatile Installation Options
Designed to fit industry standard insertion hardware.
12 mm electrode diameter allows direct replacement of most
manufacturers' steam sterilizable pH sensors.
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2
Product Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Dimensional and Installation Drawings . . . . . . . . . . . . . . 6
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
www.Emerson.com/RosemountLiquidAnalysis
June 2017
Rosemount 328A Steam Sterilizable pH sensor
Ordering Information
The Rosemount 328A pH sensor comes with 15 ft. of integral cable and features a
ceramic sensor body, double junction reference, and gelled reference electrolyte.
Sensors require standard insertion mounting hardware for installation (PN 22924-00;
sold separately).
Table 1. Rosemount 328A pH Sensor ordering information
Model Sensor type
328A pH Sensor
Cable Termination
07 Spade Lug Connector
08 None (Undressed)
Typical Model Number: 328A-07
www.Emerson.com/RosemountLiquidAnalysis
3
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