Endress+Hauser iTEMP TMT162 Technical specifications

Products Solutions Services
Brief Operating Instructions
iTEMP TMT162
Temperature field transmitter
HART® communication
These Brief Operating Instructions are not a substitute for the
Operating Instructions pertaining to the device.
Detailed information is provided in the Operating Instructions
and other documentation.
Available for all device versions via:
• Internet: www.endress.com/deviceviewer
• Smartphone/tablet: Endress+Hauser Operations app
KA00250R/09/EN/03.23-00
71629076
2023-09-20

iTEMP TMT162
2 Endress+Hauser
Order code:
Ext. ord. cd.:
Ser. no.:
www.endress.com/deviceviewer Endress+Hauser
Operations App
XXXXXXXXXXXX
XXXXX-XXXXXX
XXX.XXXX.XX
Serial number
1.
3.
2.
A0023555

iTEMP TMT162 Table of contents
Endress+Hauser 3
Table of contents
1 About this document .............................................................. 3
1.1 Function of document and how to use ....................................................... 3
1.2 Symbols ............................................................................. 4
2 Safety instructions ................................................................ 5
2.1 Requirements for the personnel ............................................................ 5
2.2 Intended use .......................................................................... 5
2.3 Workplace safety ...................................................................... 6
2.4 Operational safety ......................................................................6
2.5 Product safety ......................................................................... 6
3 Incoming acceptance and product identification ................................... 6
3.1 Incoming acceptance .................................................................... 6
3.2 Product identification ................................................................... 7
3.3 Certificates and approvals ................................................................ 8
3.4 Storage and transport ................................................................... 8
4 Mounting ......................................................................... 8
4.1 Mounting requirements ................................................................. 8
4.2 Mounting the transmitter ................................................................ 9
4.3 Post-mounting check .................................................................. 12
5 Electrical connection ............................................................ 12
5.1 Connecting requirements ............................................................... 12
5.2 Connecting the sensor .................................................................. 13
5.3 Connecting the measuring device ......................................................... 15
5.4 Special connection instructions ........................................................... 17
5.5 Ensuring the degree of protection ......................................................... 18
5.6 Post-connection check ..................................................................18
6 Operation options ............................................................... 19
6.1 Overview of operation options ............................................................ 19
6.2 Access to the operating menu via the operating tool ............................................ 22
7 Commissioning .................................................................. 22
7.1 Post-installation check ................................................................. 22
7.2 Switching on the device ................................................................. 22
8 Maintenance .................................................................... 23
8.1 Cleaning ............................................................................ 23
1 About this document
1.1 Function of document and how to use
1.1.1 Document function
The Brief Operating Instructions contain all the essential information from incoming
acceptance to initial commissioning.

About this document iTEMP TMT162
4 Endress+Hauser
1.1.2 Safety Instructions (XA)
When using in hazardous areas, the relevant national standards must be observed. Separate
Ex-specific documentation is provided for measuring systems that are used in hazardous
areas. This documentation is an integral part of these Operating Instructions. The installation
specifications, connection data and safety instructions contained therein must be strictly
observed! Make sure that you use the right Ex-specific documentation for the right device
with approval for use in hazardous areas! The number of the specific Ex documentation (XA...)
is provided on the nameplate. If the two numbers (on the Ex documentation and the
nameplate) are identical, then you may use this Ex-specific documentation.
1.1.3 Functional safety
Please refer to Safety Manual SD01632T for the use of approved devices in protective
systems according to IEC 61508.
1.2 Symbols
1.2.1 Safety symbols
DANGER
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2 Electrical symbols
Symbol Meaning Symbol Meaning
Direct current Alternating current
Direct current and alternating current Ground connection
A grounded terminal which, as far as
the operator is concerned, is grounded
via a grounding system.

iTEMP TMT162 Safety instructions
Endress+Hauser 5
Symbol Meaning
Potential equalization connection (PE: protective earth)
Ground terminals that must be connected to ground prior to establishing any other connections.
The ground terminals are located on the interior and exterior of the device:
• Interior ground terminal: potential equalization is connected to the supply network.
• Exterior ground terminal: device is connected to the plant grounding system.
1.2.3 Symbols for certain types of information
Symbol Meaning Symbol Meaning
Permitted
Procedures, processes or actions that
are permitted.
Preferred
Procedures, processes or actions that
are preferred.
Forbidden
Procedures, processes or actions that
are forbidden.
Tip
Indicates additional information.
Reference to documentation Reference to page
Reference to graphic
,… ,
Series of steps
Result of a step Visual inspection
2 Safety instructions
2.1 Requirements for the personnel
The operating personnel must fulfill the following requirements:
‣Trained, qualified specialists: must have a relevant qualification for this specific function
and task
‣Are authorized by the plant owner/operator
‣Are familiar with federal/national regulations
‣Before beginning work, the specialist staff must have read and understood the instructions
in the manuals and supplementary documentation as well as in the certificates (depending
on the application)
‣Follow instructions and comply with basic conditions
2.2 Intended use
The device is a universal and configurable temperature field transmitter with either one or
two temperature sensor inputs for resistance thermometers (RTD), thermocouples (TC) and
resistance and voltage transmitters. The device is designed for mounting in the field.
The manufacturer is not liable for damage caused by improper or non-intended use.

Incoming acceptance and product identification iTEMP TMT162
6 Endress+Hauser
2.3 Workplace safety
When working on and with the device:
‣Wear the required personal protective equipment as per national regulations.
2.4 Operational safety
• Operate the device only if it is in proper technical condition, free from errors and faults.
• The operator is responsible for the interference-free operation of the device.
Power supply
‣The device must only be powered by a 11.5 to 42 VDC voltage supply according to NEC class
02 (low voltage/current) with short circuit power limitation to 8 A/150 VA.
Hazardous area
To eliminate a danger for persons or for the facility when the device is used in the hazardous
area (e.g. explosion protection or safety equipment):
‣Based on the technical data on the nameplate, check whether the ordered device is
permitted for the intended use in the hazardous area. The nameplate can be found on the
side of the transmitter housing.
‣Observe the specifications in the separate supplementary documentation included as an
integral part of these instructions.
Electromagnetic compatibility
The measuring system complies with the general safety requirements as per EN 61010-1, the
EMC requirements as per the IEC/EN 61326 series and the NAMUR recommendations NE 21
and NE 89.
2.5 Product safety
This measuring device is designed in accordance with good engineering practice to meet state-
of-the-art safety requirements, has been tested, and left the factory in a condition in which it
is safe to operate.
It meets general safety standards and legal requirements. It also complies with the EU
directives listed in the device-specific EU Declaration of Conformity. The manufacturer
confirms this by affixing the CE mark to the device.
3 Incoming acceptance and product identification
3.1 Incoming acceptance
Proceed as follows on receipt of the device:
1. Check whether the packaging is intact.
2. If damage is discovered:
Report all damage immediately to the manufacturer.

iTEMP TMT162 Incoming acceptance and product identification
Endress+Hauser 7
3. Do not install damaged components, as the manufacturer cannot otherwise guarantee
the material resistance or compliance with the original safety requirements, and can
also not be held responsible for the consequences that may result.
4. Compare the scope of delivery against the contents of your order.
5. Remove all the packaging material used for transportation.
6. Do the data on the nameplate match the ordering information on the delivery note?
7. Are the technical documentation and all other necessary documents provided, e.g.
certificates?
If one of the conditions is not satisfied, contact your Sales Center.
3.2 Product identification
The device can be identified in the following ways:
• Nameplate specifications
• Enter the serial number from the nameplate in the Device Viewer
(www.endress.com/deviceviewer): all data relating to the device and an overview of the
Technical Documentation supplied with the device are displayed.
• Enter the serial number on the nameplate into the Endress+Hauser Operations App or scan
the 2-D matrix code (QR code) on the nameplate with the Endress+Hauser Operations App:
all the information about the device and the technical documentation pertaining to the
device is displayed.
3.2.1 Nameplate
The right device?
The nameplate provides you with the following information on the device:
• Manufacturer identification, device designation
• Order code
• Extended order code
• Serial number
• Tag name (TAG)
• Technical values: supply voltage, current consumption, ambient temperature,
communication-specific data (optional)
• Degree of protection
• Approvals with symbols
‣Compare the information on the nameplate with the order.
3.2.2 Name and address of manufacturer
Name of manufacturer: Endress+Hauser Wetzer GmbH + Co. KG
Address of manufacturer: Obere Wank 1, D-87484 Nesselwang or www.endress.com

Mounting iTEMP TMT162
8 Endress+Hauser
3.3 Certificates and approvals
For certificates and approvals valid for the device: see the data on the nameplate
Approval-related data and documents: www.endress.com/deviceviewer → (enter the
serial number)
3.3.1 HART® protocol certification
• The temperature transmitter is registered by the HART® FieldComm Group. The device
meets the requirements of the HART Communication Protocol Specifications, Revision 7
(HCF 7.6).
• An overview of other approvals and certifications is provided in the Operating Instructions.
3.4 Storage and transport
Storage temperature Without display –40 to +100 °C (–40 to +212 °F)
With display –40 to +80 °C (–40 to +176 °F)
Maximum relative humidity: < 95 % as per IEC 60068-2-30
Pack the device for storage and transportation in such a way that it is reliably protected
against impact and external influences. The original packaging provides the best
protection.
Avoid the following environmental influences during storage:
• Direct sunlight
• Proximity to hot objects
• Mechanical vibration
• Aggressive media
4 Mounting
If stable sensors are used, the device can be fitted directly to the sensor. For remote mounting
to a wall or stand pipe, two mounting brackets are available. The illuminated display can be
mounted in four different positions.
4.1 Mounting requirements
4.1.1 Installation point
For use in hazardous areas, the limit values specified on the certificates and approvals must be
observed (see Safety Instructions).

iTEMP TMT162 Mounting
Endress+Hauser 9
4.1.2 Important ambient conditions
Ambient temperature range • Without display: –40 to +85 °C (–40 to +185 °F)
• With display: –40 to +80 °C (–40 to +176 °F)
For use in hazardous areas, please see the Ex certificate, which is an integral part
of the product documentation.
The display may react slowly at temperatures < –20 °C (–4 °F). The
readability of the display cannot be guaranteed at temperatures <
–30 °C (–22 °F).
Altitude Up to 2 000 m (6 560 ft) above mean sea level
Overvoltage category II
Pollution degree 2
Insulation class Class III
Condensation Permitted
Climate class As per IEC 60654-1, Class C
Degree of protection Die-cast aluminum or stainless steel housing: IP67, NEMA 4X
Shock and vibration resistance 2 to 150 Hz at 3g as per IEC 60068-2-6
The use of L-shaped mounting brackets can cause resonance (see wall/
pipe 2" mounting bracket in the 'Accessories' section). Caution: vibrations
occurring directly at the transmitter may not exceed specifications.
4.2 Mounting the transmitter
NOTICE
Do not over-tighten the mounting screws, as this could damage the field transmitter.
‣Maximum torque = 6 Nm (4.43 lbf ft)

Mounting iTEMP TMT162
10 Endress+Hauser
4.2.1 Direct sensor mounting
12 3 4 5 6
K
E
E
P
T
I
G
H
T
W
H
E
N
C
I
R
C
U
I
T
A
L
I
V
E
I
N
E
X
P
L
O
S
I
V
E
A
T
M
O
S
P
H
E
R
E
aaa
aaa
bbb
bbb
A0024817
 1 Direct field transmitter mounting on sensor
1 Thermowell
2 Insert
3 Neck tube nipple and adapter
4 Sensor cables
5 Fieldbus cables
6 Fieldbus shielded cable
1. Mount the thermowell and screw down (1).
2. Screw the insert with the neck tube nipple and adapter into the transmitter (2). Seal the
nipple and adapter thread with silicone tape.
3. Connect the sensor cables (4) to the terminals for the sensors, see the terminal
assignment.
4. Fit the field transmitter with the insert on the thermowell (1).
5. Mount the fieldbus shielded cable or fieldbus connector (6) on the other cable gland.
6. Guide the fieldbus cables (5) through the cable gland of the fieldbus transmitter housing
into the connection compartment.
7. Screw the cable gland tight as described in the Ensuring the degree of protection
section→  18. The cable gland must meet explosion protection requirements.