Table of Contents
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April 2021
1
Overview
This guide provides basic guidelines for the installation, configuration,
commissioning, operation and maintenance of the Rosemount 4390 Series
of Corrosion and Erosion Wireless Transmitters. This guide is also available
electronically at Emerson.com/Rosemount.
The Rosemount 4390 Wireless is a family of transmitters, used with intrusive
monitoring probes for corrosion and erosion monitoring applications.
The transmitters are divided in two base models:
1. The 4391 Corrosion Wireless Transmitter is designed to measure and
process electrical signals from an intrusive corrosion probe to
provide input on fluid corrosivity, given in metal loss and metal loss
over time, also known as corrosion rate.
2. The 4392 Erosion Wireless Transmitter is designed to measure and
process electrical signals from an intrusive sand/erosion probe to
provide input on fluid erosion in metal loss and metal loss over time.
The device can also be used with the Emerson's unique multiple
elements combined intrusive probes to provide both corrosion and
erosion measurements.
The device uses WirelessHART
powered. It contains printed circuit boards, including a radio module
molded into an electronics module that is housed within a metallic housing
suited with a dedicated junction box for probe connections.
Quick Start Guide
®
communication protocol, and is battery
Quick Start Guide
3
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