Product Data Sheet
00813-0100-4697, Rev GA
Catalog 2008 - 2009
Temperature-3
Rosemount 848T Family
The Rosemount 848T Eight Input Temperature Transmitter
ECONOMICAL SOLUTION
The Rosemount 848T offers the lowest cost solution
for temperature monitoring measurements (e.g.
distillation columns, tanks, reactors, boilers, etc.). It
can reduce installed costs by as much as 70 percent
per point when compared to traditional sensor wire
direct applications.
REDUCES I.S. BARRIER COSTS
For I.S. installations, only one barrier is needed to
safely power several Rosemount 848T transmitters.
As a result, one barrier can support at least 24
temperature measurement points, which results in
significant savings. The new Fieldbus Intrinsically
Safe Concept (FISCO) certification on the
Rosemount 848T allows even more measurements
per I.S. segment.
EIGHT INDEPENDENT SENSOR INPUTS
The Rosemount 848T accepts eight independently
configurable sensor inputs (2- and 3-wire RTDs,
thermocouples, mV, and ohm).
MOUNTS PRACTICALLY ANYWHERE
The Rosemount 848T’s ambient temperature limits,
RFI immunity compliance, I.S. approvals, and ability
to mount in industrial environments provides
optimum mounting flexibility.
848T EIGHT INPUT TEMPERATURE TRANSMITTER
DIAGNOSTICS AND MAI FUNCTION
BLOCKS
FOUNDATION fieldbus offers inherent diagnostics that
provide continuous measurement status (good, bad,
or uncertain) as well as sensor failure indication. The
Rosemount 848T also offers the Multiple Analog
Input (MAI) function block, which allows all eight
sensor inputs to communicate with one function
block, resulting in greater network efficiency.
CONVERTS ANALOG TO FIELDBUS
The Rosemount 848T can accept 4–20 mA inputs
then outputs the value onto F
OUNDATION fieldbus.
The optional analog connector allows quick
connection of the Field Communicator for local
configuration.
The Rosemount 848T Transmitters power
PlantWeb
®
providing multi-input devices
with calculating capability using Input
Selector function blocks.
Rosemount Temperature Solutions
Rosemount 644 Temperature Transmitter
Head mount styles available with HART or FOUNDATION fieldbus
protocol. Rail mount style available for HART protocol.
Rosemount 3420 Fieldbus Interface Module
Provides an interface between FOUNDATION fieldbus instruments
and systems without fieldbus capability using standard interface
protocols.
Rosemount sensors, thermowells, and extensions
Rosemount has a broad offering of RTD and thermocouples that
are designed to meet plant requirements.
Rosemount 248 Temperature Transmitter
Head mount (DIN B) and Rail mount style with HART protocol and
complete temperature assembly.
Rosemount 3144P Temperature Transmitter
Two-compartment housing, dual sensor design available with
HART or Foundation fieldbus protocol.
Rosemount 148 Temperature Transmitter
Head mount style (DIN B) PC-programmable transmitter.
(28 Seiten)
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