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Product Data Sheet
00813-0100-4329, Rev AA
March 2019
Rosemount™ 327T Temperature Transmitter
The Rosemount 327T Temperature Transmitter, featuring Drift Monitoring Diagnostics and sensor backup technology,
provides layers of safety to ensure your food and beverage operations are in specification.
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Emerson is here to optimize your food and beverage operations
The Rosemount 327T Temperature Transmitter ensures your process temperatures are always in specification
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Measuring Range: 13°F to 302°F (-25°C to 150°C); up to 320°F (160°C) for
a maximum of 30 minutes
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Wetted Materials: 316L SST Polished to Ra < 23 µ-in. (0.6 µ-m) Ingress
Protection: IP69K
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Communication protocol: 4-20 mA, IO-Link
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Switch Drift Monitoring Diagnostic: diagnostic output for drift or fault
monitoring
March 2019
Emerson offers a broad portfolio of products to solve your toughest challenges
From simple measurements to critical applications, Emerson’s extensive portfolio of solutions has you covered. Our reliable, easyto-use, and innovative products will help you to maximize production, maintain quality control and product consistency, minimize
product losses, and assure the safety of your products.
Emerson offers a full service organization to give you the support you need
From simple repairs to complex projects, Emerson supports you with training and instrument services that improve the
maintenance, reliability and performance of your products and, ultimately, your process equipment and production quality. We
have a full organization of experienced and certified personnel. With both factory and regional service centers, we offer unmatched
local support around the world.
Contents
Emerson is here to optimize your food and beverage operations....................................................................................................... 2
Ordering information........................................................................................................................................................................ 3
Performance specifications................................................................................................................................................................5
Functional specifications................................................................................................................................................................... 5
Physical specifications....................................................................................................................................................................... 8
Product certifications...................................................................................................................................................................... 10
Dimensional drawing.......................................................................................................................................................................11
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Ordering information
Table 1: 327T Temperature Transmitter ordering information
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
327T Temperature transmitter ★
Immersion length
L033 1.3 inches (33mm) ★
L050 1.97 inches (50mm) ★
L087 3.44 inches (87.5mm) ★
Process connection
G10 G1" thread ★
Housing material
A Stainless steel ★
Optional options (include with the selected model number)
Calibration certification
Q4 Calibration certificate
Material traceability certification
Q8 Material Traceability per EN 10204 3.1B
Note
Optional options will not be included in the model string printed on the transmitter. For product reorder, make sure to include any
desired optional options in the model string.
Accessories and spare parts
These accessories are available for the Rosemount 327T Temperature Transmitter.
Hygienic process connection adpaters
These hygienic adapters assemble to the G1" process connection of the Rosemount 327T Pressure Transmitter.
Type
1-1.5 in. Tri-clamp 316L SST, EPDM o-ring, 232 psi (16 bar) max pressure, 16 µ-in
Description Part Number
FB-1001
(0.4 µ-m) surface finish, 3-A, FDA
2.0 in. Tri-clamp 316L SST, EPDM o-ring, 232 psi (16 bar) max pressure, 16 µ-in
(0.4 µ-m) surface finish, 3-A, FDA
Varivent Type F 316L SST, EPDM o-ring, 362 psi (25 bar) max pressure, 16 µ-in
(0.4 µ-m) surface finish, 3-A, FDA
FB-1002
FB-1010
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Type Description Part Number
March 2019
Varivent Type N 316L SST, EPDM o-ring, 362 psi (25 bar) max pressure, 16 µ-in
(0.4 µ-m) surface finish, 3-A, FDA
DIN 11851 DN32 316L SST, EPDM o-ring, 580 psi (40 bar) max pressure, 16 µ-in
(0.4 µ-m) surface finish, FDA
DIN 11851 DN40 316L SST, EPDM o-ring, 580 psi (40 bar) max pressure, 16 µ-in
(0.4 µ-m) surface finish, FDA
DIN 11851 DN50 316L SST, EPDM o-ring, 580 psi (40 bar) max pressure, 16 µ-in
(0.4 µ-m) surface finish, FDA
D50 Weld-in Adapter 316L SST, EPDM o-ring, 725 psi (50 bar) max pressure, 16 µ-in
(0.4 µ-m) surface finish, 3-A, FDA
Universal Adapter RD52 316L SST; EPDM o-ring; 232 psi (16 bar) max pressure; FDA FB-1045
G1 Welding Mandrel Absorbs heat and prevents warping during welding of FB-1041 FB-6041
Note
For a material traceability certificate, add option code Q8 after your part number (Ex: FB-1001Q8). Additional delivery lead times
may apply. The certification option (Q8) will not be included in the part number printed on the transmitter. For product reorder,
make sure to include any desired certification in the part number.
FB-1011
FB-1020
FB-1021
FB-1022
FB-1041
O-rings
Description
Part number
Hygienic Adapter O-ring; FKM, Qty 1 FB-3001
Hygienic Adapter O-ring; FKM; Qty 5 FB-3002
Hygienic Adapter O-ring; EPDM; Qty 5 FB-3003
Hygienic Adapter Upper Gasket; PEEK; Qty 1 FB-3010
Cables and connectors
Description
Hygienic Wireable Terminal Connector - M12 Female (angled) to Screw Terminals
Operating voltage: < 250 AC / < 300 DC, Max current: 4A,
Ambient temp: -13°F - 212°F (-25°C - 100°C), Screw Terminals: 23AWG - 17AWG
316L SST, gold plated contacts, EPDM sealing, IP69K
Hygienic Cable - M12 Female (angled) to Flying Lead (4 x 22AWG)
Operating voltage: <250 AC / <300 DC, Max current: 4A,
Ambient temp: -13°F - 212°F (-25°C - 100°C), cULus approval limited to 149°F (65°C)
316L SST, gold plated contacts, EPDM sealing, IP69K
Hygienic Patch Cable - M12 Female (angled) to M12 Male
Operating voltage: < 250 AC / < 300 DC, Max current: 4A,
Ambient temp: -13°F - 212°F (-25°C - 100°C), cULus approval limited to 149°F (65°C)
316L SST, gold plated contacts, EPDM sealing, IP69K
Length Part number
Wirable socket FB-4000
6.6 ft. (2 m) FB-4002
16.4 ft. (5 m) FB-4005
32.8 ft. (10 m) FB-4010
65.6 ft. (20 m) FB-4020
164 ft. (50 m) FB-4050
1.97 ft. (0.6 m) FB-4106
3.3 ft. (1 m) FB-4101
6.6 ft. (2 m) FB-4102
16.4 ft. (5 m) FB-4105
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Description Length Part number
32.8 ft. (10 m) FB-4110
Performance specifications
Transmitter accuracy
Temperature range Deviation
14 to 266 °F (-10 to 130 °C) ±0.36 °F (0.2 °C)
266 to 284 °F (130 to 140 °C) ±0.54 °F (0.3 °C)
284 to 320 °F (140 to 160 °C) ±0.54 °F ± (0.1% span)
-13 to 14 °F (-25 to -10 °C) ±0.54 °F ± (0.1% span)
Dynamic performance
T05: 3 seconds
T09: 6 seconds
Ambient temperature effect
0.1% span per 18°F (10°C)
Vibration
The Rosemount 327T is tested to DIN EN 60068-2-6 and has a peak acceleration of 20 g in the frequency range 10 to 2000 Hz.
Electromagnetic compatibility (EMC)
The Rosemount 327T meets the requirements of DIN EN 61000-6-2 and DIN EN 61000-6-3.
Functional specifications
Service
Liquid and gas applications
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Measuring range
-25 to 320°F (-25 to 160°C)
Maximum continuous temperature is 302°F (150°C). Maximum operation time above this temperature depends on process
temperature:
Figure 1: Maximum Operating Time by Process Temperature
Factory settings
4 mA: 0°F
20 mA: 300 °F
Temperature limits
Ambient
-13 to 158 °F (-25 to 70 °C)
Storage
-40 to 185 °F (-40 to 85 °C)
Max working pressure
725 psi (50 bar)
Vacuum resistance
-14.5 psi (-1 bar)
Power supply
18 – 32 V DC (For cULus a Class 2 source required)
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Current draw
< 6 mA (at 24V)
Load limitation
(Power Supply Voltage – 15) x 50 Ω
Protection class
III
Output
In a two-wire configuration, the Rosemount 327T provides a 4-20 mA analog output. In a three-wire configuration, digital IO-Link
communication or Drift Monitoring Diagnostics can also be utilized for increased transmitter functionality
OUT2: 4-20 mA (analog)
OUT1: IO-Link (digital) / Drift Monitoring Diagnostics
For more information on how to acess these outputs see Electrical connection.
Switch output
Max voltage drop: 2.0 V
See the below table for current ratings of the switching output by temperature.
Ambient temperature
-13 to 150 °F (-25 to 70 °C) 150 mA
-13 to 140 °F (-25 to 60 °C) 200 mA
-13 to 104 °F (-25 to 40°C) 250 mA
Permanent current rating of switching output
Resolution of analog output
≤ 0.09 °F (0.05 °C)
IO-Link
Table 2:
IO-Link Device Parameters
Transfer type COM1 (4.8 kBaud)
IO-Link Revision 1.1
SDCI standard IEC 61131-9 CDV
SIO mode Yes
Required master port class A
Process data analog 1
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Table 2: (continued)
IO-Link Device Parameters
Process data binary 18
Minimum process cycle time 18 ms
Diagnostics
Drift monitoring diagnostic
The temperature transmitter uses two different, thermally coupled sensor elements (NTC, PT 1000) to automatically detect drifts
and errors in the temperature measurement. The temperature transmitter forms an average value using the individual NTC and PT
1000 measured values. It then calculates the deviation of each sensing element to the average. The permissible temperature
deviation is configurable and the transmitter will send alerts/alarms when it is outside the set specification. Different diagnostic
states can be communicated by the transmitter via either the analog signal or a separate configurable switch output.
Sensor backup
If one of the two internal sensor elements fails, the temperature transmitter will continue to communicate the temperature
reading of the remaining sensor to prevent loss of measurement. The transmitter can also send an alert that it is in sensor backup
mode using the switch output on pin 4 (OUT1).
Note
For more information on diagnostic configuration, please see the Rosemount 327T Temperature Transmitter Quick Start Guide
(00825-0100-4329).
Turn-on time
8 seconds
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.
Measuring elements
The Rosemount 327T Temperature Transmitter has two sensing elements, an RTD (PT1000) and a thermistor (NTC).
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Process connections
External threaded G1” connection
Process wetted parts
316L SST (1.4435)
Surface finish: Ra < 32 µ-in. (0.8 µ-m)
Non-wetted parts
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316L SST
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PEI
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FKM
Environmental seal for housing
Enclosures meet IP67, IP68, and IP69K ratings when properly installed
Electrical connection
The Rosemount 327T is equipped with an M12 Female electrical connector which features gold-plated contacts.
Use either a two-wire or three-wire configuration to access the desired number of outputs.
Figure 2: Two-wire Configuration
OUT: 4-20 mA (analog)
Figure 3: Three-wire Configuration
OUT2: 4-20 mA (analog)
OUT1: IO-Link (digital) / Drift Monitoring Diagnostics
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Shipping weights
Table 3:
Immersion Length Option Code String Pounds Grams
L033 0.88 399
L050 0.94 427
L087 0.91 412
Product certifications
European directive information
The most recent revision of the EC Declaration of Conformity can be found at Emerson.com/Rosemount.
Ordinary location information
As standard, this product 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).
Voltage supply to EN 50178, SELV, PELV / "supply class 2" to cULus.
3-A® certification
This product is authorized to display the 3-A symbol. Ensure gaskets and process connection accessories selected for installation
meet both the application and 3-A requirements. A certificate of compliance is available at Emerson.com/Rosemount.
Other industry certifications
All Rosemount 327T Temperature transmitter surfaces and materials which come into contact with process medium comply with
the following regulations:
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(EC) No. 1935/2004
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(EC) No. 2023/2006
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CFR Title 21 (FDA) § 177.2600
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CFR Title 21 (FDA) § 177. 2415
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Dimensional drawing
Immersion Length Option
Code
L033 1.30in. (33 mm)
L050 1.97in. (50 mm)
L087 3.45in. (87.5 mm)
Length A
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00813-0100-4329
Rev. AA
March 2019
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