Emerson Rosemount 214C User manual
Quick Start Guide
00825-0400-2654, Rev DB
May 2021
Rosemount™ 214C Sensor
Contents
About this guide...........................................................................................................................3
Wiring diagram for RTDs.............................................................................................................. 5
Wiring diagram for thermocouples.............................................................................................. 6
Additional RTD specifications....................................................................................................... 7
Additional thermocouple specifications....................................................................................... 9
Product certifications................................................................................................................. 10
Declaration of Conformity..........................................................................................................23
China RoHS................................................................................................................................ 25
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2 Emerson.com/Rosemount
1 About this guide
This guide provides basic guidelines for Rosemount 214C Sensor models. If
the sensor was ordered assembled to a temperature thermowell or
transmitter, see the appropriate product literature for information on
configuration and hazardous locations certifications.
1.1 Safety messages
NOTICE
Complications can arise when the sensors and the transmitters to which they
are assembled are certified to compatible, but each has different approvals.
Be aware of the following situations:
•If an I.S. approved Rosemount 214C Sensor is ordered with a housing, a
transmitter enclosed in that housing may have a different I.S. approval
rating. Refer to the transmitter IS certificate if applicable.
•If a sensor and transmitter have different certifications, or if either has
more certifications than the other, installation must comply with the
most restrictive requirements required by either component. This is
especially (but not exclusively) relevant when combination approvals are
ordered on either the sensor or transmitter. Review certifications on
both the sensor and transmitter for installation requirements and ensure
installation of the sensor/transmitter assembly complies with a single
certification that is shared by both of these components and that meets
the requirements of the application.
WARNING
Explosion
Explosions could result in death or serious injury.
Installation of sensor in an explosive environment must be in accordance
with appropriate local, national, and international standards, codes, and
practices.
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WARNING
Conduit/cable entries
Unless marked, the conduit/cable entries in the housing use a ½–14 NPT
thread form. Entries marked “M20” are M20 × 1.5 thread form. On
devices with multiple conduit entries, all entries will have the same
thread form. Only use plugs, adapters, glands, or conduit with a
compatible thread form when closing these entries.
When installing in a hazardous location, use only appropriately listed or
Ex certified plugs, glands, or adapters in cable/conduit entries.
Only use plugs, adapters, glands, or conduit with a compatible thread
form when closing these entries.
Physical access
Unauthorized personnel may potentially cause significant damage to and/or
misconfiguration of end users’ equipment. This could be intentional or
unintentional and needs to be protected against.
Physical security is an important part of any security program and
fundamental to protecting your system. Restrict physical access by
unauthorized personnel to protect end users’ assets. This is true for all
systems used within the facility.
CAUTION
Refer to Product Certification section of this Quick Start Guide
documentation.
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2 Wiring diagram for RTDs
Figure 2-1: RTD Lead Wire Configuration per IEC 60751 - Single Element
3-wire 4-wire
Red
Red
White
White
Red
Red
White
Note
To configure a single element, 4-wire RTD as a 3-wire system, connect only
one white lead. Insulate or terminate the unused white lead in a manner that
prevents shorting to the ground. To configure a single element, 4-wire RTD
as a 2-wire system, connect matching colored wires first and then connect
the paired wires to the terminal.
Figure 2-2: RTD Lead Wire Configuration per IEC 60751 - Dual Element
3-wire
Red
Red
White
Black
Black
Yellow
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3 Wiring diagram for thermocouples
Figure 3-1: Thermocouple Lead Wire Configuration
Single thermocouple, 2-wire Dual thermocouple, 4-wire
( – )
( + ) ( + )
( + )
( – )
( – )
Table 3-1: Thermocouple Wire Color
IEC 60584 Themocouple ASTM E230 Thermocouple
Type POS (+) NEG (-) POS (+) NEG (-)
J Black White White Red
K Green White Yellow Red
T Brown White Blue Red
Note
Dual thermocouple sensors are shipped with one pair of the wires shrink-
wrapped together.
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4 Additional RTD specifications
Note
All specifications in this section apply to all RTDs unless noted otherwise. All
RTDs meet and/or exceed type and routine tests for sensors/thermometers
per IEC 60751:2008.
4.1 Insulation resistance
1000 MΩ minimum insulation resistance when measured at 500 VDC at
room temperature.
4.2 Insulation resistance at elevated temperature
Insulation resistance at elevated temperatures for sensor types RT, RH, and
RW are tested and meet requirements according to IEC 60751:2008 6.5.1.
4.3 Time response
Sensor response time tested in flowing water according to IEC 60751:2008
6.5.2.
Sensor type RT: T50 average = 8.5 seconds; T90 average = 22.9 seconds
Sensor type RH: T50 average = 9.15 seconds; T90 average = 24.1 seconds
Sensor type RW: T50 average = 9.0 seconds; T90 average = 24.4 seconds
4.4 Stability
Stability at upper temperature limit tested and meets requirements
according to IEC 60751:2008 6.5.3.
4.5 Effects of temperature cycling
Effect of temperature cycling tested and meets requirements according to
IEC 60751:2008 6.5.5.
4.6 Hysteresis
Effect of hysteresis tested and meets requirements according to IEC
60751:2008 6.5.6.
4.7 Self heating
Self-heating tested and meets requirements according to IEC 60751:2008
6.5.7.
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4.8 Process immersion
Minimum immersion depth tested according to IEC 60751:2008 6.5.8.
Sensor type RT, single: Minimum immersion depth = 30 mm
Sensor type RT, dual: Minimum immersion depth = 45 mm
Sensor type RH, single and dual: Minimum immersion depth = 40 mm
Sensor type RW, single and dual: Minimum immersion depth = 50 mm
4.9 Vibration limits
Vibration tested according to IEC 60751:2008 6.6.4.
Sensor type RT ordered with VR1: Meets 10 g vibration between 20 and 500
Hz for 150 hours.
Sensor type RT and RH: Meets 3 g vibration between 20 and 500 Hz for 150
hours.
Sensor type RW: Meets 1 g vibration between 20 and 500 Hz for 150 hours.
4.10 Functional specifications
Power Overvoltage Category I
Environmental Pollution Degree 4
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5 Additional thermocouple specifications
Note
All specifications in this section apply to all thermocouple types unless noted
otherwise. All thermocouples meet and/or exceed type and routine tests for
sensors/thermometers per IEC 61515:2016.
5.1 Insulation resistance
1000 MΩ minimum insulation resistance when measured at 500 VDC at
room temperature.
5.2 Time response
Sensor response time tested in flowing water according to IEC 61515:2016
5.3.2.8.
Grounded: T50 average = 1.9 seconds; T90 average = 4.0 seconds
Ungrounded: T50 average = 2.8 seconds; T90 average = 7.3 seconds
5.3 Process immersion
Minimum immersion depth tested according to IEC 60751:2008 6.5.8.
Grounded thermocouples: Minimum immersion depth = 5 mm
Ungrounded thermocouples: Minimum immersion depth = 10 mm
5.4 Continuity
Electrical continuity and polarity are tested and meet requirements
according to IEC 61515:2016 5.3.2.
5.5 Functional specifications
Power Overvoltage Category I
Environmental Pollution Degree 4
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6 Product certifications
Rev 2.7
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
The Rosemount 214C 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).
Note
The terminal strip in the Aluminum with Terminal Strip (AT1 or AT3)
connection head requires sensor lead wires to have a wire termination (Ex:
Bootlace ferrule or spade lug).
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.
6.1 North America
6.1.1 E5 USA Explosionproof (XP) and Dust-Ignitionproof (DIP)
Certificate 70044744
Standards FM 3600:2011, FM 3615:2006, UL 50E:2007, UL
61010-1:2010, ANSI/ISA 60529:2004
Markings XP CL I, DIV 1, GP B, C, D; DIP CL II, DIV 1, GP E, F, G; CL III; T6
(-50 °C ≤ Ta ≤ +80 °C), T5 (-50 °C ≤ Ta ≤ +95 °C); Seal not
required; installed per Rosemount drawing 00214-1030; Type
4X† and IP 66/67; Vmax 35 VDC, 750 mWmax
Special Conditions for Safe Use (X):
1. Flameproof joints are not intended for repair.
2. Cable entries must be used which maintain the ingress protection of
the enclosure. Unused cable entries must be filled with suitable
blanking plugs.
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10 Emerson.com/Rosemount
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