Reference Data - Emerson wirelessHART Rosemount Series Quick Start Manual

April 2021
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Reference data

6.1 Ordering information
Visit the product website to view the current Rosemount 4390 Wireless
Transmitter ordering information and documentation. The product data
sheet, general arrangement drawing, and other relevant documents are
available in the Documents & Drawings section at Emerson.com/4390.
Related information
Physical specifications
Performance specifications
Transmitter dimensions
6.2 Functional specifications
6.2.1 Input
The Rosemount 4390 Wireless Transmitter supports Electrical Resistance
(ER), Linear Polarization Resistance (LPR) and Galvanic probes. For more
information, see
6.2.2 Wireless output
IEC 62591 (WirelessHART) 2.4 GHz DSSS
6.2.3 Radio frequency power output from antenna
External antenna: Maximum of 16 mW (12 dBm) EIRP.
Extended range, external antenna: Maximum of 28 mW (14.5 dBm) EIRP.
6.2.4 Humidity limits
0–95 percent relative humidity
6.2.5 Wireless update rate
User selectable, from 1 second to 60 minutes.
6.3 Physical specifications
6.3.1 Power module
The Emerson SmartPower Module - Black is field-replaceable, featuring
keyed connections that eliminate the risk of incorrect installation.
The power module is an Intrinsically Safe solution, containing Lithium-
thionyl chloride with a polybutadine terephthalate (PBT) enclosure.
Quick Start Guide
Configure sensor type and
Quick Start Guide
parameters.
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