Page 1
Rosemount™ 3051HT Hygienic Pressure
Transmitter
Product Data Sheet
April 2018
00813-0100-4091, Rev CA
Hygienic design conforms to 3-A
Reference accuracy of 0.065 percent with high performance option
Demonstrated best-in-class performance during SIP/CIP for process temperatures up to 302 °F (150 °C)
Rangeability of 100:1
Unparalleled seven-year stability reduces calibration frequency
4–20 mA/HART
®
or FOUNDATION™ Fieldbus output and AMS Suite: Intelligent Device Manager compatibility
®
and EHEDG standards
ensures easier configurations, calibrations, and operation
Proven technology from Emerson
™
improves process reliability and robustness
Page 2
Rosemount 3051HT
Now you can have the best, most reliable
performance... in a hygienic package
April 2018
The Rosemount 3051HT Hygienic Pressure Transmitter brings
best-in-class performance, application expertise, and
operational and maintenance cost savings to the biotechnology,
pharmaceuticals, and food and beverage industries.
Hygienic design conforms to hygienic standards
The hygienic design of the Rosemount 3051HT features 32 μ-in.
Ra mechanically polished and 15 μ-in. Ra electropolished wetted
surfaces. The stainless steel (SST) design is free of voids and
crevices to ensure easy cleaning and wipe downs. The
Rosemount 3051HT is also 3-A and EHEDG approved and is
designed according to strict ASME BPE guidelines.
Demonstrated best-in-class performance during CIP/SIP processes
The Rosemount 3051HT was designed and thoroughly tested to
ensure that it minimizes temperature induced errors and
recovers rapidly and repeatably from CIP/SIP processes. This is
called “batch to batch repeatability” and can reduce your
downtime between cleaning cycles, enabling faster turnarounds
and increased plant availability.
Unparalleled stability reduces calibration frequency
Competitor devices can drift out of specification in just a few
months and require re-calibration, consuming your time and
money while risking regulatory non-compliance. The
Rosemount 3051HT provides better stability so you can
confidently extend calibration frequencies to reduce
maintenance costs.
4–20 mA/HART or FOUNDATION Fieldbus output and AMS Suite compatibility ensures easier configurations, calibrations and operation
Lower maintenance costs with AMS Suite software, improve
device performance and enable easier configuration and setup.
Combining AMS Suite with the Rosemount 3051HT can also
provide you with advanced functionality including predictive
diagnostics and audit trail information to make FDA compliance
simpler and paper free.
Proven Emerson technology improves process reliability and robustness
The Rosemount 3051HT uses the same proven sensor and
electronics technology found in other industry leading
Rosemount transmitters from Emerson. This ensures the
transmitter to be robust and reliable, which improves your
process consistency and increases your plant availability.
Contents
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Product certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Dimensional drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
2
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Page 3
April 2018
Rosemount 3051HT
Ordering Information
Table 1. Rosemount 3051HT Hygienic In-line Pressure Transmitter Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
Model
3051HT Hygienic Pressure Transmitter ★
Pressure type
G Gage ★
A Absolute ★
Performance class
Range 1–2 Range 3 Range 0
A
B
0.065% span accuracy and 7-year
stability
0.075% span accuracy and 5-year
stability
0.065% span accuracy and 5-year
stability
0.075% span accuracy and 3-year
stability
0.065% span accuracy and
1-year stability
0.075% span accuracy and
1-year stability
Pressure range
Rosemount 3051HTG
0 –5 to 5 psi (–0,34 to 0,34 bar-g) N/A ★
1 –14.7 to 30 psi (–1,01 to 2,1 bar-g) 0 to 30 psia (0 to 2,1 bar-a) ★
2 –14.7 to 150 psi (–1,01 to 10,3 bar-g) 0 to 150 psia (0 to 10,3 bar-a) ★
3 –14.7 to 300 psi (–1,01 to 20,7 bar-g) N/A ★
(1)
Rosemount 3051HTA
Transmitter ou tput
A 4–20 mA with digital signal based on HART Protocol ★
F FOUNDATION Fieldbus Protocol ★
Sensor fill fluid
3 Neobee® M-20 ★
Housing material
1 Crevice-free polished 316 SST ★
★
★
2 Aluminum ★
Conduit entry size
A
(2)
B
Process connection style
T32 Tri-clamp 11/2-in. 316L SST 316L SST ★
T42 Tri-clamp 2-in. 316L SST 316L SST ★
(4)
B11
1
/2–14 NPT ★
M20 x 1.5 ★
(3)
Typ e
Assemble to one Rosemount 1199 Diaphragm Seal with SST transmitter flange (see Product Data Sheet) ★
Size Diaphragm Upper housing/extension
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Rosemount 3051HT
Table 1. Rosemount 3051HT Hygienic In-line Pressure Transmitter Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
April 2018
Options (include with selected model number)
Extended product warranty
WR3 3-year limited warranty ★
WR5 5-year limited warranty ★
Plantweb™ control functionality
A01 FOUNDATION Fieldbus advanced control function block suite ★
Plantweb diagnostics functionality
(5)
DA0
D01 FOUNDATION Fieldbus diagnostics suite ★
Product certifications
I1 ATEX intrinsic safety ★
Power advisory HART diagnostic ★
I5 USA intrinsic safety and non incendive ★
I6 Canada intrinsic safety ★
I7 IECEx intrinsic safety ★
Display and interface options
(5)
M4
M5 LCD display ★
Configuration buttons
D4 Analog zero and span ★
DZ Digital zero trim ★
Wetted surface finish
F2 Mechanically polished and electropolished to Ra < 15 μ-in. (0.38 μ-m) ★
LCD display with local operator interface ★
(5)
(7)
(6)
Transient terminal block
T1 Transient protection terminal block ★
Software configuration
C1 Custom software configuration ★
Alarm levels
(5)
(5)(8)
C4 NAMUR alarm and saturation levels, high alarm ★
CN NAMUR alarm and saturation levels, low alarm ★
CR Custom alarm and saturation signal levels, high alarm (requires C1 and Configuration Data Sheet) ★
C7 Custom alarm and saturation signal levels, low alarm (requires C1 and Configuration Data Sheet) ★
CT Low alarm (standard Rosemount alarm and saturation levels) ★
4
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Page 5
April 2018
Rosemount 3051HT
Table 1. Rosemount 3051HT Hygienic In-line Pressure Transmitter Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
Special cleaning
P2 Cleaning for special services
P3 Cleaning for <1 PPM Chlorine/Fluorine
Wetted surface finish certification
Q16 Surface finish certification ★
Calibration certification
Q4 Calibration certificate ★
QP Calibration certificate and tamper evident seal ★
Material traceability certification
Q8 Material traceability certification per EN 10204 3.1 ★
Certificate of compliance to 3-A
QA Certificate of compliance to 3-A ★
Certificate of compliance to ASME BPE
(9)
QB Certificate of compliance to ASME BPE ★
Certificate of compliance to EHEDG
QE Certification of compliance to EHEDG ★
Conduit electrical connector
GE M12, 4-pin, male connector (eurofast®) ★
GM A size mini, 4-pin, male connector (minifast®) ★
Increased Ingress Protection
V9 Transmitter IP69K Rating (SST only) ★
1. Rosemount 3051HTG lower range limit varies with atmospheric pressure.
2. For aluminum housings, transmitter conduit entry will be
3. All process wetted parts have surface finish of R
4. Assemble to Rosemount 1199 items require a separate, individual Rosemount 1199 model number in addition to the Rosemount 3051HT model number.
5. Only available with HART 4
6. Housing material option 1 comes with polycarbonate cover standard. Housing material option 2 comes with Al and glass cover standard.
7. Meets ASME BPE surface designation SF4.
8. CDS required with order, available with output code A only.
9. Available only with wetted surface finish option F2.
–20 mA output (code A).
a
1
/2 NPT and a 1/2 NPT to M20 thread adapter will be provided.
< 32 μ-in (0.81 μ-m) standard unless otherwise specified.
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Page 6
Rosemount 3051HT
0.013
· URL
Span
--------------
0.01
+
% of span±
0.016
URL
Span
--------------0.005
+
% of span±
0.009
URL
Span
--------------0.02
+
% of span±
0.01
URL
Span
--------------
0.025
+
% of span±
0.0075
URL
Span
--------------
% of span±
0.009
URL
Span
--------------
% of span±
0.021
URL
Span
--------------
0.045
+
% of span±
0.025
URL
Span
--------------
0.05
+
% of span±
April 2018
Specifications
Performance specifications
For zero-based spans, reference conditions, Neobee M-20 oil fill, SST materials, 11/2 -in. tri-clamp process connections, silicone gasket
material, clamping torque of 45 in-lb, digital trim values set to equal range points.
For assemblies attached to a Rosemount 1199 Diaphragm Seal (option code B11), use Instrument Toolkit
quantify the total performance of the assembly under operating conditions.
Reference accuracy
Stated reference accuracy equations include terminal based linearity, hysteresis, and repeatability.
Range Performance class option A Performance class option B
™
or the QZ option
(1)
to
±0.065% of span
For spans less than 5:1, accuracy =
0
±0.065% of span
For spans less than 5:1, accuracy =
1
±0.065% of span
For spans less than 10:1, accuracy =
2
±0.065% of span
For spans less than 2:1, accuracy =
3
±0.075% of span
For spans less than 5:1, accuracy =
±0.075% of span
For spans less than 5:1, accuracy =
±0.075% of span
For spans less than 10:1, accuracy =
±0.075% of span
For spans less than 2:1, accuracy =
Long term stability
±50 °F (28 °C) temperature changes, and up to 300 psi (20,68 bar) line pressure
Range Performance class option A Performance class option B
0 ±0.2% of URL for 1-year ±0.2% of URL for 1-year
1–2 ±0.15% of URL for 7-years ±0.15% of URL for 5-years
3 ±0.2% of URL for 5-years ±0.2% of URL for 3-years
1. QZ option is to be added to the Rosemount 1199 model string.
6
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Page 7
April 2018
Dynamic performance
Rosemount 3051HT
4–20 mA
HART
Tot al respons e ti me (Td +Tc)
(1)
(3)
:
FOUNDATION Fieldbus
Ranges 0–3 145 ms 197 ms
Dead time (T
) 60 ms (nominal) 112 ms
d
Update rate 22 times per second 22 times per second
1. Dead time and update rate apply to all models and ranges; analog output only.
2. Transducer Block response time, Analog Input block execution time not included.
3. Nominal total response time at 75 °F (24 °C) reference conditions.
Ambient temperature effect per 50 °F (28 °C)
Range Ambient temperature effect
0 ±(0.35% URL + 0.20% span)
1 ±(0.10% URL + 0.20% span)
2 ±(0.05% URL + 0.075% span)
3 ±(0.10% URL + 0.075% span)
(2)
Typical HART transmitter response time
Transmitter Output vs. Time
Pressure released
100%
36.8%
0%
T
T
d
c
Time
= Dead time
T
d
= Time constant
T
c
Response time =
63.2% of total
step change
T
T
+
c
d
Electromagnetic compatibility (EMC)
Meets all industrial environment requirements of EN61326.
Maximum deviation < 1% Span during EMC disturbance.
1. During surge or ESD event, device may exceed maximum EMC deviation
limit or reset; however, device will self-recover and return to normal
operation within specified start-up time.
(1)
Transient protection (option code T1)
For assemblies attached to a Rosemount 1199 Diaphragm Seal
(option code B11) see Instrument Toolkit.
Batch to batch repeatability
(1)
One batch is an exposure to steam in place (SIP) with a process
temperature of 284 °F (140 °C) for four hours.
Range Batch to batch repeatability
0 ±0.20% URL for 60 batches (0.010 psi, 0,89 mbar)
1 ±0.05% URL for 60 batches (0.015 psi, 1,03 mbar)
2 ±0.02% URL for 60 batches (0.030 psi, 2,07 mbar)
3 ±0.065% URL for 60 batches (0.195 psi, 13,44 mbar)
Mounting position effects
Zero shifts to ±2.5 inH2O (6,22 mbar), which can be calibrated
out. No span effect.
Vibration effect
Less than ±0.1% of URL when tested per the requirements of
IEC 60770 control room level.
1. Does not apply to performance Class option code C or assemblies attached
to a Rosemount 1199 Diaphragm Seal (option code B11)
Tested in accordance with IEEE C62.41.2-2002,
location category B
6 kV crest (0.5 μs–100 kHz)
3 kA crest (8 x 20 μs)
6 kV crest (1.2 x 50 μs)
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Rosemount 3051HT
Max. Loop Resistance = 43.5 (Power Supply Voltage – 10.5)
Communication requires a minimumloop resistance of 250 ohms.
Load (Ωs)
1387
1000
500
0
10.5 20
30
42.4
(1)
1. For CSA approval, power supply must not exceed 42.4 V.
Operating
Region
Voltage (Vdc)
April 2018
Functional specifications
Range and sensor limits
Range and sensor limits
Minimum
span
Range
URL
3051HTA 3051HTG
0.50 psi
0
(0,034 bar)
1.00 psi
1
(0,069 bar)
1.50 psi
2
(0,10 bar)
15.00 psi
3
(1,03 bar)
1. Assumes atmospheric pressure of 14.70 psia (1,01 bar-a).
5.00 psi
(0,34 bar)
30.00 psi
(2,07 bar)
150.00 psi
(10,34 bar)
300.00 psi
(20,68 bar)
0 psia
(0 bar)
Service
Liquid, gas, and vapor applications
4–20 mA HART (output code A)
Power supply
External power supply required. Standard transmitter
(4–20 mA) operates on 10.5–42.4 Vdc with no load.
Load limitations
Maximum loop resistance is determined by the voltage level of
the external power supply described by:
N/A
N/A
LRL
–5.00 psig
(–0,34 bar)
–14.70 psig
(–1,01 bar)
Optional configuration buttons
Configuration buttons need to be specified:
Digital zero trim (option code DZ) changes digital value of the
transmitter and is used for performing a sensor zero trim.
Analog zero span (option code D4) changes analog value and
can be used to rerange the transmitter with an applied pressure.
(1)
Output
Two-wire 4–20 mA, user selectable for linear or square root
output. Digital process variable superimposed on 4–20 mA
signal, available to any host that conforms to HART protocol.
The Rosemount 3051 comes with Selectable HART Revisions.
Digital communications based on HART Revision 5 (default) or
Revision 7 (option code HR7) protocol can be selected. The
HART revision can be switched in the field using any HART based
configuration tool or the optional local operator interface (M4).
Power advisory diagnostics
Power advisory diagnostics pro-actively detect and notify you of
degraded electrical loop integrity before it can affect your
process operation. Example loop problems that can be detected
include water in the terminal compartment, corrosion of
terminals, improper grounding, and unstable power supplies.
The device dashboard presents the diagnostics in a graphical,
task-based interface that provides single-click access to critical
process/device information and descriptive graphical
troubleshooting.
Local Operator Interface (LOI)
The LOI utilizes a two-button menu with internal and
external/terminal side configuration buttons. Internal buttons
are always configured for LOI. External buttons can be
configured for either LOI (option code M4), Analog zero and
span (option code D4) or digital zero trim (option code DZ). See
Rosemount 3051 Reference Manual
for LOI configuration menu.
Indication
Optional two-line LOI/LCD display
8
FOUNDATION Fieldbus (output code F)
Power supply
External power supply required; transmitters operate on 9.0 to
32.0 Vdc transmitter terminal voltage.
Current draw
17.5 mA for all configurations (including LCD display option)
Indication
Optional two-line LCD display
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Page 9
April 2018
Rosemount 3051HT
FOUNDATION Fieldbus block execution times
Block Execution time
Resource N/A
Sensor and SPM Transducer N/A
LCD Display N/A
Analog Input 1, 2 20 milliseconds
PID 25 milliseconds
Input Selector 20 milliseconds
Arithmetic 20 milliseconds
Signal Characterizer 20 milliseconds
Integrator 20 milliseconds
Output Splitter 20 milliseconds
Control Selector 20 milliseconds
OUNDATION Fieldbus parameters
F
Links 25 (max.)
Virtual Communications Relationships (VCR) 20 (max.)
FOUNDATION Fieldbus function blocks (option A01)
Resource block
The resource block contains diagnostic, hardware, and
electronics information. There are no linkable inputs or outputs
to the resource block.
Integrator (INT) block
The integrator function block integrates one or two variables
over time. The block compares the integrated or accumulated
value to pre-trip and trip limits and generates discrete output
signals when the limits are reached.
The INT function block is used as a totalizer. This block will
accept up to two inputs, has six options how to totalize the
inputs, and two trip outputs.
Arithmetic (ARTH) block
The arithmetic function block provides the ability to configure a
range extension function for a primary input. It can also be used
to compute nine different arithmetic functions including flow
with partial density compensation, electronic remote seals,
hydrostatic tank gaging, ratio control, and others.
Signal characterizer (SGCR) block
The signal characterizer function block characterizes or
approximates any function that defines an input/output
relationship. The function is defined by configuring as many as
twenty X,Y coordinates. The block interpolates an output value
for a given input value using the curve defined by the configured
coordinates. Two separate analog input signals can be processed
simultaneously to give two corresponding separate output
values using the same defined curve.
Proportional/Integral/Derivative (PID) block
The PID function block combines all of the necessary logic to
perform PID control. The block supports mode control, signal
scaling, and limiting, feed forward control, override tracking,
alarm limit detection, and signal status propagation.
Sensor transducer block
The sensor transducer block contains sensor information and
the ability to calibrate the pressure sensor or recall factory
calibration.
LCD transducer block
The LCD transducer block is used to configure the LCD display
meter.
Analog input (AI) block
The analog input function block processes the measurements
from the sensor and makes them available to other function
blocks. The output value from the AI Block is in engineering
units and contains a status indicating the quality of the
measurement. The AI Block is widely used for scaling
functionality.
Input selector (ISEL) block
The input selector function block can be used to select the first
good, hot backup, maximum, minimum, or average of as many
as eight input values and place it at the output. The block
supports signal status propagation.
Control selector block
The control selector function block selects one of two or three
inputs to be the output. The inputs are normally connected to
the outputs of PID or other function blocks. One of the inputs
would be considered normal and the other two overrides.
Output splitter block
The output splitter function block provides the capability to
drive two control outputs from a single input. It takes the output
of one PID or other control block to control two valves or other
actuators.
Backup link active scheduler (LAS)
The transmitter can function as a link active scheduler if the
current link master device fails or is removed from the segment.
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Rosemount 3051HT
ProcessTemp 185–()
1.5
----------------------------------------------------------
ProcessTemp 85–()
1.5
-------------------------------------------------------
April 2018
FOUNDATION Fieldbus diagnostics suite
(option code D01)
The Rosemount 3051HT FOUNDATION Fieldbus diagnostics suite
features SPM technology to detect changes in the process,
process equipment, or installation conditions (such as plugged
impulse lines) of the transmitter. This is done by modeling the
process noise signature (using the statistical values of mean and
standard deviation) under normal conditions and then
comparing the baseline values to current values over time. If a
significant change in the current values is detected, the
transmitter can generate an alert.
Sensor overpressure limits
Range 0: 60 psi (4,14 bar)
Range 1: 150 psi (10,34 bar)
Range 2: 300 psi (20,68 bar)
Range 3: 600 psi (41,36 bar)
Note
Overpressure limit is dependent on the clamp/pressure adapter
or sensor rating (whichever is lower).
Sensor burst pressure
All ranges: 900 psi (62,05 bar)
Temperature limits
Ambient
32 to 185 °F (0 to 85 °C)
175 °F with LCD display
Storage
–22 to 185 °F (–30 to 85 °C)
Process temperature limits
32 to 302 °F (0 to 150 °C)
Process temperatures above 185 °F (85 °C) require lowering the
ambient limits by a 1.5:1 ratio:
Max. ambient temperature in °F = 185 —
(1)
Turn-on time
Performance within specifications less than two seconds (20.0
seconds for FOUNDATION Fieldbus Protocol) after power is applied
to the transmitter.
Damping
4–20 mA HART
Analog output response to a step input change is user-selectable
from 0 to 60 seconds for one time constant. This software
damping is in addition to sensor module response time.
F
OUNDATION Fieldbus Protocol
Transducer block: User-configurable
AI block: User-configurable
Failure mode alarm
HART 4–20mA (output code A)
If self-diagnostics detect a sensor or microprocessor failure, the
analog signal is driven either high or low to alert the user. High or
low failure mode is user-selectable with a jumper/switch on the
transmitter. The values to which the transmitter drives its
output in failure mode depend on whether it is configured to
standard, NAMUR-compliant, or custom levels (see Alarm
Configuration below). The values for each are as follows:
Table 2. Alarm Configuration
High alarm Low alarm
Default ≥ 21.75 mA ≤ 3.75 mA
NAMUR compliant
Custom levels
1. Analog output levels are compliant with NAMUR recommendation NE
43, see option codes C4 or C5.
OUNDATION Fieldbus (output code F)
F
If self-diagnostics detect a gross transmitter failure, that
information gets passed as an alert and a status along with the
process variable.
(1)
(1)
≥ 22.5 mA ≤ 3.6 mA
20.2–23.0 mA 3.4–3.8 mA
Max. ambient temperature in °C = 85 —
For assemblies attached to a Rosemount 1199 Diaphragm Seal
(option code B11), see Rosemount 1199 Seal Systems Product
Data Sheet for process temperature limits.
1. Temperature limits are reduced in vacuum service; 212 °F (100 °C) limit for
pressures below 3.9 psia.
10
Humidity limits
0–100 percent relative humidity
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April 2018
Rosemount 3051HT
Physical specifications
Material selection
Emerson provides a variety of Rosemount products with various
product options and configurations including materials of
construction that can be expected to perform well in a wide
range of applications. The Rosemount product information
presented is intended as a guide for the purchaser to make an
appropriate selection for the application.
It is the purchaser’s sole responsibility to make a careful analysis
of all process parameters (such as all chemical components,
temperature, pressure, flow rate, abrasives, contaminants, etc.),
when specifying product materials, options, and components
for the particular application. Emerson is not in a position to
evaluate or guarantee the compatibility of the process fluid or
other process parameters with the product options,
configuration, or materials of construction selected.
Process connections
1
1
/2 -in. tri-clamp
2 -in. tri-clamp
Process-wetted parts
Isolation diaphragm
LOI and LCD display covers
Non-glass, polycarbonate LCD display cover with SST housing
material (option 1)
Low-copper aluminum and glass LCD display cover with
low-copper aluminum housing material (option 2)
Sensor module fill fluid
Neobee M-20 (FDA approved)
Shipping weight for Rosemount 3051HT
3.44 lb (1,56 kg) with SST housing, LCD display with
polycarbonate cover, and 11/2-in. tri-clamp connection
316L SST
Process connector
316L SST
Surface finish
R
< 32 μ-in. (0.81 μ-m) mechanically polished
a
(standard on all connections)
R
< 15 μ-in. (0.38 μ-m) mechanically polished and
a
electropolished (requires wetted surface finish option F2)
Transmissible Spongiform Encephalopathy (TSE) Declaration
Emerson certifies no process wetted components used in this
product contain substances of animal origin. Materials used in
the production or processing of wetted components for this
product meet the requirements stated in EMA/410/01 Rev. 3
and ISO 22442-1:2015. Wetted components in this product are
considered free of TSE.
Non-wetted parts
Electronics housing
316 SST or low-copper aluminum
®
Enclosures meet NEMA
properly installed.
Type 4x, IP66, IP68, and IP69K when
Note
IP69K rating only available on units with a SST housing and
option code V9 in the model string.
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Rosemount 3051HT
April 2018
Product certifications
Rev 1.6
European Directive Information
A copy of the EU Declaration of Conformity can be found at the
end of the Quick Start Guide. The most recent revision of the EU
Declaration of Conformity can be found at
Emerson.com/Rosemount
Ordinary Location Certification
As standard, the transmitter has been examined and tested to
determine that the design meets the basic electrical,
mechanical, and fire protection requirements by a nationally
recognized test laboratory (NRTL) as accredited by the Federal
Occupational Safety and Health Administration (OSHA).
Altitude Pollution degree
5000 m max
.
4 (metallic enclosure)
2 (non-metallic enclosure)
Markings: Intrinsically Safe Class I, Division 1 Groups A, B,
C, D when connected in accordance with
Rosemount drawing 03031-1024, Temperature
Code T4; Suitable for Class I, Zone 0; Type 4X;
Factory Sealed; Single Seal (see drawing
03031-1053)
Europe
I1 ATEX Intrinsic Safety
Certificate: BAS97ATEX1089X
Standards: EN 60079-0:2012 + A11:2013,
EN 60079-11:2012
Markings: HART: II 1 G Ex ia IIC T5/T4 Ga,
≤ T
T5(–20 °C
Fieldbus: Ex II 1 G Ex ia IIC Ga
T4(–20 °C ≤ Ta ≤ +60 °C)
Voltage U
Current I
Power P
Capacitance C
Inductance L
i
i
i
i
i
≤ +40 °C), T4(–20 °C ≤ Ta ≤ +70 °C)
a
HART Fieldbus
30 V 30 V
200 mA 300 mA
0.9 W 1.3 W
0.012 μF 0 μF
0 mH 0 mH
Installing Equipment in North America
The US National Electrical Code® (NEC) and the Canadian
Electrical Code (CEC) permit the use of Division marked
equipment in Zones and Zone marked equipment in Divisions.
The markings must be suitable for the area classification, gas,
and temperature class. This information is clearly defined in the
respective codes.
USA
I5 Intrinsic Safety; Nonincendive
Certificate: 1053834
Standards: FM Class 3600 - 2011, FM Class 3610 - 2010,
FM Class 3611 - 2004, FM Class 3810 - 2005
Markings: IS CL I, DIV 1, GP A, B, C, D when connected per
Rosemount drawing 03031-1024, CL I ZONE 0
AEx ia IIC T4; NI CL 1, DIV 2, GP A, B, C, D T5;
≤ T
T4(–20 °C
T4(–20 °C
Typ e 4x
Canada
I6 Intrinsic Safety
Certificate: 1053834
Standards: ANSI/ISA 12.27.01-2003, CSA Std. C22.2
No.142-M1987, CSA Std. C22.2. No.157-92,
CSA Std. C22.2 No. 213 - M1987
≤ +70 °C) [HART];
a
≤ T
≤ +60 °C) [FOUNDATION Fieldbus];
a
Special Conditions for Safe Use (X):
1. The apparatus is not capable of withstanding the 500 V
insulation test required by clause 6.3.12 of
EN60079-11:2012. This must be taken into account when
installing the apparatus.
2. The enclosure may be made of aluminum alloy and given a
protective polyurethane paint finish; however care should
be taken to protect it from impact or abrasion if located in
Zone 0.
International
I7 IECEx Intrinsic Safety
Certificate: IECEx BAS 09.0076X
Standards: IEC 60079-0:2011, IEC 60079-11:2011
Markings:
Capacitance C
HART: Ex ia IIC T5/T4 Ga,
T5(–20 °C
T4(–20 °C
Fieldbus:
T4(–20 °C
Voltage U
Current I
Power P
Inductance L
i
i
i
i
i
≤ T
≤ +40 °C),
a
≤ T
≤ +70 °C)
a
Ex II 1 G Ex ia IIC Ga
≤ T
≤ +60 °C)
a
HART Fieldbus
30 V 30 V
200 mA 300 mA
0.9 W 1.3 W
0.012 μF 0 μF
0 mH 0 mH
12
Emerson.com/Rosemount
Page 13
April 2018
Special Conditions for Safe Use (X):
1. The apparatus is not capable of withstanding the 500 V
insulation test required by clause 6.3.12 of
EN60079-11:2012. This must be taken into account when
installing the apparatus.
2. The enclosure may be made of aluminum alloy and given a
protective polyurethane paint finish; however care should
be taken to protect it from impact or abrasion if located in
Zone 0.
Brazil
I2 INMETRO Intrinsic Safety
Certificate: UL-BR 13.0584X
Standards: ABNT NBR IEC60079-0:2008 + Errata 1:2011,
ABNT NBR IEC60079-11:2009
Markings: HART: Ex ia IIC T5/T4 Ga,
T5(–20 °C ≤ T
T4(–20 °C ≤ Ta ≤ +70 °C)
Fieldbus: Ex ia IIC T4 Ga
(–20 °C ≤ T
Voltage U
Current I
Power P
Capacitance Ci0.012 μF 0 μF
Inductance L
≤ +40 °C),
a
≤ +60 °C)
a
HART Fieldbus
30 V 30 V
i
200 mA 300 mA
i
i
0.9 W 1.3 W
0 mH 0 mH
i
Rosemount 3051HT
EHEDG
All Rosemount 3051HT Transmitters with polished SST housings
(housing material option1) are EHEDG approved and labeled. A
certificate of compliance is also available (option QE).
1
T32: 1
/2-in. tri-clamp
T42: 2-in. tri-clamp
If process connection B11 is selected, please reference the
ordering table of the Rosemount 1199 Diaphragm Seal Product
Data Sheet for availability of EHEDG certifications.
An EHEDG certificate of compliance is available by selecting
option code QE.
Ensure gasket selected for installation is approved to meet both
application and EHEDG certification requirements.
ASME-BPE
All Rosemount 3051HT Transmitters with option F2 and the
following connections are designed to ASME-BPE SF4
standards
T32: 1
T42: 2-in. tri-clamp
(1)
:
1
/2-in. tri-clamp
Special Conditions for Safe Use (X):
1. If the equipment is fitted with an optional 90 V transient
suppressor, it is not capable of withstanding the 500 V
insulation test required by ABNT NBR IRC 60079-11. This
must be taken into account when installing the
equipment.
2. The enclosure may be made of aluminum alloy and given
protective polyurethane pint finish; however, care should
be taken to protect it from impact or abrasion if
equipment requires EPL Ga.
Additional Certifications
3-A
All Rosemount 3051HT transmitters with the following
connections are 3-A approved and labeled:
T32: 11/2-in. tri-clamp
T42: 2-in. tri-clamp
If process connection B11 is selected, please reference the
ordering table of the Rosemount 1199 Diaphragm Seal Product
Data Sheet for availability of 3-A certifications.
A 3-A certificate of compliance is available by selecting option
code QA.
A self-certified certificate of compliance to ASME-BPE is also
available (option QB).
1. Per clause SD-2.4.4.2 (m), suitability of painted aluminum housings to be
determined by end user.
Emerson.com/Rosemount
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Page 14
Rosemount 3051HT
5.13
(130,2)
4.26
(108,1)
5.68
(144,2)
1.99
(50,5)
3.85
(97,8)
A
B
C
D
E
G
F
4.14
(105,2)
4.44
(112,8)
5.36
(136,2)
3.43
(87,0)
G
A
C
F
B
D
E
Dimensional drawings
April 2018
Figure 1. Rosemount 3051HT
(1)
Aluminum
Polished 316 SST
A. 0.75 (20) clearance for cover removal
1
B.
C. Terminal connections
D. Optional display cover
E. Transmitter circuitry
1. For assemblies attached to a Rosemount 1199 Diaphragm Seal (option code B11).
14
/2–14 NPT conduit connection
F. Certifications tag
1
G. 1
/2 tri-clamp
(See Table 1 on page 3 for other options.)
Dimensions are in inches (millimeters).
Emerson.com/Rosemount
Page 15
April 2018
Rosemount 3051HT
Options
Standard configuration
Unless otherwise specified, transmitter is shipped as follows:
Engineering units
(1)
4 mA
(1)
20 mA
Output
LCD display
(1)
Alarm
Software tag
Damping
1. Not applicable to F
Custom configuration
psi (all ranges)
0 (engineering units)
Upper range limit
Linear
Installed or none
High
N/A
0.4 seconds
OUNDATION Fieldbus Protocol.
(1)
Commissioning tag
For FOUNDATION Fieldbus only: A temporary commissioning tag is
placed in the transmitter box. The tag indicates the device ID
and allows an area for writing the location.
Output information
Output range points must be the same unit of measure.
Available units of measure for pressure include:
torr psf
(1)
cmH2O at 4 °C
atm inH2O mH2O at 4 °C
Pa inH2O at 4 °C inHg
kPa inH2O at 60 °F mmHg
MPa ftH2O cmHg at 0 °C
(1)
hPa
ftH2O at 4 °C
mbar ftH2O at 60 °F
(1)
(1)
mHg at 0 °C
g/cm
bar mmH2O kg/m
psi mmH2O at 4 °C kg/cm
1. Field configurable only, not available for factor y calibration or custom
configurat ion (option code C1 “Soft ware configuration”).
(1)
(1)
(1)
(1)
2
(1)
If option code C1 is ordered, the customer may specify the
following data in addition to the standard configuration
parameters.
Output information
Transmitter information
LCD display configuration
Hardware selectable information
Signal selection
Scaled variable
and more
For Rosemount 3051HT with HART Protocol, refer to the
Rosemount 3051 Configuration Data Sheet
.
Tagging (two options available)
Tag may be permanently stamped on transmitter nameplate
upon request, 56 characters maximum.
Tag may be stored in transmitter memory. Character limit is
dependent on protocol.
HART Revision 5: 8 characters
HART Revision 7: 32 characters
FOUNDATION Fieldbus: 32 characters
Display and interface options
M4 Digital display with LOI
Available for 4–20 mA HART
M5 Digital display
Two-line, 8-digit LCD display for 4–20 mA HART and
OUNDATION Fieldbus Protocol
F
Direct reading of digital data for higher accuracy
Displays user-defined flow, level, volume, or pressure
units
Displays diagnostic messages for local troubleshooting
90° rotation capability for easy viewing
Configuration buttons
Rosemount 3051 will ship with no buttons unless option D4
(analog zero and span), DZ (digital zero), or M4 (LOI) for local
configuration buttons are specified (only available with Hart
4–20 mA output; code A).
1. Only available with HART 4–20 mA output (code A).
Emerson.com/Rosemount
15
Page 16
Rosemount 3051HT
April 2018
External or rear/terminal side
Table 3. Button Configuration
Option codes Internal
DZ
(1)
External or
rear/terminal side
Digital zero trim
N/A
D4 Analog zero and trim
M4
M4 + DZ Digital zero trim
LOI
LOI
(2)
M4 + D4 Analog zero and trim
1. Only available with 4–20 mA HART Protocol. Housing material option 1
comes with rear/terminal-side buttons; housing material option 2 comes
with external buttons.
2. Not provided with housing material option 1.
Transient protection (option code T1)
Tested in accordance with IEEE C62.41.2-2002,
location category B
6 kV crest (0.5 μs–100 kHz)
3 kA crest (8 x 20 μs)
6 kV crest (1.2 x 50 μs)
16
Emerson.com/Rosemount
Page 17
April 2018
Rosemount 3051HT
Emerson.com/Rosemount
17
Page 18
Rosemount 3051HT
00813-0100-4091, Rev CA
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Product Data Sheet
April 2018
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Neuhofstrasse 19a P.O. Box 1046
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