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Rosemount High Density Temperature Measurement
Simplify Your Project
848
Documentation
100%
Balancing Project Risk
is a Daunting Challenge
75%
50%
25%
0%
To t a l I n s t a l l a t i o n C o s t s
Emerson’s approach to temperature measurement
can help lower the risk of budget overruns and
start-up delays. Rosemount High Density
transmitters reduce installation complexities,
lower costs and simplify your project.
Labor
Materials
Conventional
Temperature
Products
High Density
Temperature
Transmitters
Reduce Cost with Less Wiring
Wiring infrastructure such as conduit, cable trays and
marshalling panels add significant cost to a project.
Rosemount High Density transmitters measure
multiple temperatures to reduce or eliminate wiring
infrastructure and provide significant cost savings.
Traditional
Transmitters
TT
TT
TT
TT
High Density
Transmitter
Faster Start-ups with
Fewer Devices
Installing wiring runs for each temperature
measurement is labor intensive and costly.
Rosemount High Density transmitters
measure more temperature points with
fewer devices to reduce installation
and commissioning time.
Sensors
to I/O Card
Temperature Drift
2˚C
0˚C
848T
Time
Rosemount 848T Temperature
Transmitter with Multipoint Sensor
Improve Performance
with Reliable Measurement
Reduce Complexity
with Complete Solutions
Long sensor wiring runs are susceptible to
drift giving unreliable information. Rosemount
High Density transmitters shorten sensor wiring
lengths and filter electrical noise to provide stable
and accurate measurement.
Managing multiple temperature vendors
for a project adds complexity. Emerson
manufactures transmitters and sensors
globally to meet your project needs.
Implementation Made Easy
Rosemount High Density transmitters simplify
installation to reduce overall cost and labor effort.
Scalable Architecture
• Add new devices to existing networks
• Hundreds of temperature measurements on one network
Easy Access to
Device Information
Eliminate Individual
Signal Wires
• Communicate with single 2-wire loop
• Connect without
marshalling panels
FOUNDATION™ fieldbus
• Evaluate, diagnose, and configure
with Device Dashboards
• Access transmitter and
sensor diagnostics
Smart Wireless
Gateway
Rosemount 848T Wireless
Temperature Transmitter
WirelessHART™
Network
Eliminate Signal Wire
• Simplify installation without cable trays
• Install without junction boxes
• Connect without marshalling panels
• 4 Independently configurable inputs
• Thermocouple, RTD, ohm, mV, and 4-20 mA inputs
• Mounts anywhere with field hardened enclosure
• Intrinsically safe Power Module for easy replacement in hazardous areas
• Uses standard HART® configuration tools to integrate into WirelessHART™ network
• Up to 400 measurements on a single Smart Wireless Gateway
Mount Close to Process
• Shorten sensor wires to improve
measurement reliability
• Field hardened enclosures
for harsh environments
Rosemount 848T
Temperature Transmitter
• 8 Independently configurable inputs
• Thermocouple, RTD, ohm, mV, and 4-20 mA inputs
• DIN rail mounting for flexible
installation practices
• Calculates minimum, maximum
and average
• Up to 128 measurements on one
FOUNDATION™ fieldbus segment
Deliver Results with
Innovative Solutions
From preventing unexpected shutdowns to
reducing installation costs, Rosemount High
Density transmitters have proven to deliver
positive business results. Our customers
have simplified their projects by installing
Rosemount 848T temperature transmitters
in their plant.
Measure Tank Temperature
to Improve Product Quality
Challenge:
• Maintaining tank temperature
was difficult
• Existing measurement wired
thermocouples directly to
control room
• Drifting measurement increased
risk of producing off-spec product
Solution:
• Rosemount 848T Wireless reduced sensor wiring and eliminated drift
• Product quality was improved and
installation costs were reduced by $5,500 per point
Tank Temperature
Improve Reactor Control
to Prevent Shutdown
Challenge:
• Control of reactor during polymerization
process was needed to ensure product quality
• Sensor wired directly to control room incurred high material and labor costs
• Reactor could become plugged causing a two
to three week shutdown
Solution:
• Rosemount 848T profiled 16 temperature
points in reactor dome
• Detected a polymer buildup and prevented
a costly shutdown
Reactor Temperature Profiling
Prevent Compressor Failure by
Monitoring Bearing Temperature
Challenge:
• Monitoring bearing temperature to
prevent gas compressor failure
• Local temperature monitoring did not
report information to control system
• Gas compressor failure would cause
shutdown of hydrocracker
Solution:
• Rosemount 848T detected damage to the
bearing preventing a hydrocracker shutdown
• Saved over 70% in wiring cost amounting to $20,000
Bearing Temperature
Monitor Oven Temperature
to Reduce Operation Costs
Coke Oven Temperature
Challenge:
• Difficulties monitoring and controlling
coke oven temperatures
• Existing measurement was unreliable
and operator rounds were costly
• Unreliable measurement risked oven
collapse and energy waste
Solution:
• Rosemount 848T Wireless provided
reliable measurement ensuring proper oven temperature
• Eliminated operator rounds and provided access to process information
To experience the Rosemount 848T visit www.rosemount.com/848T
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Rosemount Inc. PlantWeb is a registered trademark of the Emerson Process Management group of companies. All other marks are the property of their
respective owners. ©2010 Rosemount Inc. All rights reserved.
Emerson Process Management
Rosemount Measurement
8200 Market Boulevard
Chanhassen MN 55317 USA
Tel (USA) 1 800 999 9307
Tel (International) +1 952 906 8888
Fax +1 952 949 7001
00803-0100-4697 Rev AA, 02/10
Emerson Process Management
Blegistrasse 23
P.O. Box 1046
CH 6341 Baar
Switzerland
Tel +41 (0) 41 768 6111
Fax +41 (0) 41 768 6300
Emerson FZE
P.O. Box 17033
Jebel Ali Free Zone
Dubai UAE
Tel +971 4 811 8100
Fax +971 4 886 5465
Emerson Process Management Asia
Pacific Pte Ltd
1 Pandan Crescent
Singapore 128461
Tel +65 6777 8211
Fax +65 6777 0947
Service Support Hotline : +65 6770 8711
Email : [email protected]