5
Rosemount 848T Family
November 2014
www.rosemount.com
Rosemount 848T FOUNDATION fieldbus Temperature
Transmitter
The Rosemount 848T offers a low cost solution for high density measurements. The
848T accepts eight independently configurable sensor inputs, and can be mounted
close to the process to improve data quality. F
OUNDATION fieldbus architecture allows up
to 128 temperature measurements to be transmitted on a single H1 fieldbus line.
Additionally, the 848T is bus-powered, further reducing the amount of required wiring
to install the device. The robust design has proven itself in thousands of successful
installations. Capabilities include:
Eight independently configurable inputs, including 2- and 3-wire RTDs,
thermocouples, mV, 2- and 3-wire ohms, and 4-20 mA signals
Industry first Measurement Validation diagnostic
Fieldbus functionality with 8 AI blocks, 2 MAI blocks, 4 ISEL Blocks, and backup LAS
Capabilities
600 Vdc isolation and integral transient protection
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment.
See page 27 for more information on Material Selection.
Table 1. Rosemount 848T FOUNDATION fieldbus Ordering Table
★ The Standard offering represents the most common options. The starred options (★) should be selected for best delivery.
__The Expanded offering is subject to additional delivery lead time.
Model Product description
848T High Density Temperature Measurement Family
Transmitter output
F FOUNDATION fieldbus digital signal (includes AI, MAI, and ISEL function blocks, and Backup Link Active Scheduler)
★
Product certifications
(1)
Rosemount
Junction
Box required?
I1 ATEX Intrinsic Safety No
★
I3 NEPSI Intrinsic Safety No
★
I4 TIIS Intrinsically Safety (FISCO) Type 'ia’ No
★
H4 TIIS Intrinsic Safety (FISCO) Type 'ib’ No
★
I5
(2)
FM Intrinsically Safe Yes
★
I6
(2)
CSA Intrinsically Safe No
★
I7 IECEx Intrinsic Safety No
★
IA ATEX FISCO Intrinsic Safety No
★
IE FM FISCO Intrinsically Safe No
★
IF
(2)
CSA FISCO Intrinsically Safe, Division 2 No
★
IG IECEx FISCO (Intrinsic Safety) No
★
N1 ATEX Type n (enclosure required) Yes
★
N5 FM Class I, Division 2, and Dust Ignition-proof (enclosure required) Yes
★
N6 CSA Class I, Division 2 No
★
N7 IECEx Type n (enclosure required) Yes
★
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