Page is loading ...
Products Solutions Services
Operating Instructions
Easytemp TMR31, TMR35
Compact thermometer Pt100
TMR31 for general applications
TMR35 for hygienic applications
BA00215R/09/EN/17.21
71515364
2021-01-11
Table of contents Easytemp TMR31, TMR35
2 Endress+Hauser
Table of contents
1 About this document ........... 3
1.1 Document function ................... 3
1.2 Symbols ............................ 3
1.3 Documentation ...................... 4
2 Basic safety instructions ....... 4
2.1 Requirements for the personnel ........ 4
2.2 Designated use ...................... 5
2.3 Operational safety ................... 5
2.4 Product safety ....................... 5
2.5 IT security .......................... 5
3 Incoming acceptance and
product identification .......... 6
3.1 Incoming acceptance ................. 6
3.2 Product identification ................. 6
3.3 Name and address of manufacturer ..... 7
3.4 Storage and transport ................. 7
4 Mounting ........................ 8
4.1 Mounting requirements ............... 8
4.2 Mounting the thermometer .......... 11
4.3 Post-mounting check ................ 12
5 Electrical connection .......... 12
5.1 Connection conditions ............... 12
5.2 Connecting the measuring device ...... 12
5.3 Ensuring the degree of protection ..... 13
5.4 Post-connection check ............... 13
6 Commissioning ................ 14
6.1 Post-installation check ............... 14
6.2 Switching on the measuring device .... 14
6.3 Configuring the measuring device ..... 14
7 Diagnostics and
troubleshooting ............... 14
7.1 General troubleshooting ............. 14
8 Maintenance .................. 15
8.1 Cleaning ........................... 15
8.2 Endress+Hauser services ............. 15
9 Repair .......................... 15
9.1 Spare parts ........................ 16
9.2 Return ............................ 16
9.3 Disposal ........................... 16
10 Accessories .................... 17
10.1 Device-specific accessories ............ 17
10.2 Communication-specific accessories ... 21
10.3 Service-specific accessories ........... 23
10.4 System components ................. 23
11 Technical data ................. 24
11.1 Input .............................. 24
11.2 Output ............................ 24
11.3 Power supply ....................... 25
11.4 Performance characteristics .......... 26
11.5 Environment ....................... 28
11.6 Process ............................ 29
11.7 Mechanical construction ............. 31
11.8 Certificates and approvals ............ 41
Easytemp TMR31, TMR35 About this document
Endress+Hauser 3
1 About this document
1.1 Document function
These Operating Instructions contain all the information that is required in various phases of
the life cycle of the device: from product identification, incoming acceptance and storage, to
mounting, connection, operation and commissioning through to troubleshooting,
maintenance and disposal.
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.
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.
Basic safety instructions Easytemp TMR31, TMR35
4 Endress+Hauser
Symbol Meaning Symbol Meaning
Reference to documentation
A
Reference to page
Reference to graphic
1.
,
2.
,
3.
… Series of steps
Result of a step Visual inspection
1.2.4 Symbols in graphics
Symbol Meaning Symbol Meaning
1, 2, 3,... Item numbers
1.
,
2.
,
3.
… Series of steps
A, B, C, ... Views A-A, B-B, C-C, ... Sections
-
Hazardous area
.
Safe area (non-hazardous area)
1.2.5 Tool symbols
Symbol Meaning
A0011222
Open-ended wrench
1.3 Documentation
For an overview of the scope of the associated Technical Documentation, refer to the
following:
•W@M Device Viewer (www.endress.com/deviceviewer): Enter the serial number from
nameplate
•Endress+Hauser Operations App: Enter the serial number from the nameplate or scan
the 2D matrix code (QR code) on the nameplate
2 Basic safety instructions
2.1 Requirements for the personnel
The personnel for installation, commissioning, diagnostics and maintenance 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.
Easytemp TMR31, TMR35 Basic safety instructions
Endress+Hauser 5
‣Before starting work, read and understand the instructions in the manual and
supplementary documentation as well as the certificates (depending on the application).
‣Follow instructions and comply with basic conditions.
The operating personnel must fulfill the following requirements:
‣Are instructed and authorized according to the requirements of the task by the facility's
owner-operator.
‣Follow the instructions in this manual.
2.2 Designated use
• The device is a compact thermometer for industrial temperature measurement.
• The manufacturer is not liable for damage caused by improper or non-designated use.
2.3 Operational safety
Risk of injury.
‣Operate the device in proper technical condition and fail-safe condition only.
‣The operator is responsible for interference-free operation of the device.
Conversions to the device
Unauthorized modifications to the device are not permitted and can lead to unforeseeable
dangers.
‣If, despite this, modifications are required, consult with Endress+Hauser.
Repair
To ensure continued operational safety and reliability,
‣Carry out repairs on the device only if they are expressly permitted.
‣Observe federal/national regulations pertaining to repair of an electrical device.
‣Use original spare parts and accessories from Endress+Hauser only.
2.4 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 EC
directives listed in the device-specific EC Declaration of Conformity. Endress+Hauser confirms
this by affixing the CE mark to the device.
2.5 IT security
Our warranty is valid only if the device is installed and used as described in the Operating
Instructions. The device is equipped with security mechanisms to protect it against any
inadvertent changes to the settings.
IT security measures, which provide additional protection for the device and associated data
transfer, must be implemented by the operators themselves in line with their security
standards.
Incoming acceptance and product identification Easytemp TMR31, TMR35
6 Endress+Hauser
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.
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 W@M Device
Viewerwww.endress.com/deviceviewer: All data relating to the device and an overview of
the Technical Documentation supplied with the device are displayed.
3.2.1 Nameplate
The correct device?
1. Check the data on the nameplate of the device.
2. Compare against the requirements of the measuring point.
Easytemp TMR31, TMR35 Incoming acceptance and product identification
Endress+Hauser 7
1
2
3
4
5
6
7
Made in Germany
D-87484 Nesselwang
A0038995
1 Sample graphic
1 Product root, device designation
2 Order code, serial number
3 Tag name
4 Technical values: supply voltage, current consumption, ambient temperature
5 Degree of protection
6 Pin assignment
7 Approvals with symbols: CE mark, EAC
3.2.2 Scope of delivery
The scope of delivery comprises:
• Compact thermometer
• Printed copy of the Brief Operating Instructions
• Accessories ordered
3.3 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
Address of manufacturing plant: See nameplate
3.4 Storage and transport
Pack the device so that it is reliably protected against impact when it is stored and
transported. The original packaging offers the best protection.
Storage temperature
Mounting Easytemp TMR31, TMR35
8 Endress+Hauser
Ts–40 to +85 °C (–40 to +185 °F)
4 Mounting
4.1 Mounting requirements
For information on the conditions that must be present at the installation location in
order to ensure designated use (e.g. ambient temperature, degree of protection, climate
class etc.), and information on the device dimensions, see the 'Technical data' → 24
4.1.1 Orientation
No restrictions. However, self-draining in the process must be guaranteed. If there is an
opening to detect leaks at the process connection, this opening must be at the lowest possible
point.
4.1.2 Installation instructions
The immersion length of the compact thermometer can considerably influence the accuracy. If
the immersion length is too short, measurement errors can occur as a result of heat
conduction via the process connection and the vessel wall. If installing in a pipe, the
immersion length should ideally correspond to half of the pipe diameter.
Installation possibilities: pipes, tanks or other plant components.
Easytemp TMR31, TMR35 Mounting
Endress+Hauser 9
≥ 3°
≥ 3°
1
2
34
L
Lt
Dt dt
A0012591
2 Installation examples
1, 2 Perpendicular to flow direction, installed at a min. angle of 3 ° to ensure self-draining
3 On elbows
4 Inclined installation in pipes with a small nominal diameter
L Insertion length
The requirements of the EHEDG and the 3-A Sanitary Standard must be adhered to.
Installation instructions EHEDG/cleanability: Lt ≤ (Dt-dt)
Installation instructions 3-A/cleanability: Lt ≤ 2(Dt-dt)
In the case of pipes with a small nominal diameter, it is advisable for the tip of the
thermometer to project well into the process so that it extends past the pipe axis.
Installation at an angle (4) could be another solution. When determining the immersion
or insertion length, all the parameters of the thermometer and of the medium to be
measured must be taken into account (e.g. flow velocity, process pressure).
Mounting Easytemp TMR31, TMR35
10 Endress+Hauser
A B CD
56
16
1
8
11
9
12
10
2
3
4
7
15
13
14
A0040345
3 Detailed installation instructions for hygiene-compliant installation
A Milk pipe connection according to DIN 11851, only in connection with EHEDG certified and self-
centering sealing ring
1 Sensor with milk pipe connection
2 Groove slip-on nut
3 Counterpart connection
4 Centering ring
5 R0.4
6 R0.4
7 Sealing ring
BVarivent® process connection for VARINLINE® housing
8 Sensor with Varivent connection
9 Counterpart connection
10 O-ring
C Clamp according to ISO 2852
11 Gasket seal
12 Counterpart connection
D Process connection Liquiphant-M G1", horizontal installation
13 Weld-in adapter
14 Vessel wall
15 O-ring
16 Thrust collar
The counterpieces for the process connections and the seals or sealing rings are not
included in the scope of delivery for the thermometer. Liquiphant M weld-in adapters
with related seal kits are available as accessories. → 20
NOTICE
The following actions must be taken if a sealing ring (O-ring) or seal fails:
‣The thermometer must be removed.
‣The thread and the O-ring joint/sealing surface must be cleaned.
‣The sealing ring or seal must be replaced.
‣CIP must be performed after installation.
Easytemp TMR31, TMR35 Mounting
Endress+Hauser 11
In the case of weld-in connections, exercise the necessary degree of care when performing the
welding work on the process side:
1. Use suitable welding material.
2. Flush-weld or weld with welding radius ≥ 3.2 mm (0.13 in).
3. Avoid crevices, folds or gaps.
4. Ensure the surface is honed and mechanically polished, Ra ≤ 0.76 µm (30 µin).
Pay attention to the following when installing the thermometer to ensure that the cleanability
is not affected:
1. The thermometer is suitable to be cleaned in built-in condition for CIP (cleaning in
place). Cleaning is carried out in combination with tubing/piping or tank/vessel.
Thermometers installed in tanks/vessels in combination with dead legs: Ensure with the
installation of the cleaning instrument to spray directly the cleaning agent into the dead
leg for cleaning out.
2. The Varivent® couplings enable flush-mount installation.
4.2 Mounting the thermometer
Proceed as follows to mount the device:
1. The permitted loading capacity of the process connections can be found in the relevant
standards.
2. The process connection and compression fitting must comply with the maximum
specified process pressure.
3. Make sure that the device is installed and secured before applying the process pressure.
4. Adjust the loading capacity of the thermowell to the process conditions.
5. It may be necessary to calculate the static and dynamic loading capacity.
It is possible to verify the mechanical loading capacity as a function of the installation
and process conditions using the online TW Sizing Module for thermowells in the
Endress+Hauser Applicator software → 23.
4.2.1 Cylindrical threads
NOTICE
Seals must be used for cylindrical threads.
In the case of combined thermometer and thermowell assemblies, these seals are already
installed (depending on the version ordered).
‣The system operator is required to verify the suitability of this seal with regard to the
operating conditions.
Electrical connection Easytemp TMR31, TMR35
12 Endress+Hauser
Threaded version Tightening torque
[Nm]
Process connection, metal sealing system 10
Compression fitting, cylindrical, Elastosil seal 5
1. Replace with a suitable seal if necessary.
2. Replace the seals following disassembly.
3. As all threads must be firmly tightened, using the appropriate torques.
4.2.2 Tapered threads
‣The operator must verify if additional sealing by means of PTFE tape, hemp or an
additional welded seam, for example, is necessary in the case of NPT threads or other
tapered threads.
4.3 Post-mounting check
Is the device undamaged (visual inspection)?
Is the device correctly secured?
Does the device correspond to the specifications at the measuring point, e.g. ambient temperature, measuring
range etc.?→ 24
5 Electrical connection
5.1 Connection conditions
If the 3-A Standard is required, electrical connecting cables must be smooth, corrosion-
resistant and easy to clean.
5.2 Connecting the measuring device
NOTICE
Damage to the device!
‣Do not overtighten the M12 plug, as this could damage the device. Maximum torque:
0.4 Nm (M12 knurl)
Easytemp TMR31, TMR35 Electrical connection
Endress+Hauser 13
M12x1
J
Pt100
AB
1
10...35 V
(4...20 mA)
DC
3
0 V
(4...20 mA)
4
2
1 +
2 nc
3 -
4 nc
A0020176
4 Pin assignment, device plug
A Version with transmitter, M12 plug, 4-pin
B Version without transmitter, Pt100, 4-wire connection
1: Pin 1 Power supply 10 to 35 VDC
Current output 4 to 20
Cable connection, wire color brown = BN
2: Pin 2 Connection of PC configuration cable - shortened pin
Cable connection, wire color white = WH
3: Pin 3 Power supply 0 VDC
Current output 4 to 20
Cable connection, wire color blue = BU
4: Pin 4 Connection of PC configuration cable - shortened pin
Cable connection, wire color black = BK
5.3 Ensuring the degree of protection
The indicated degree of protection is ensured if the M12x1 cable connector meets the
required degree of tightness. For compliance with IP69 protection, suitable device connecting
cables with straight or elbowed connectors are available → 23.
5.4 Post-connection check
Are the device and cable undamaged (visual check)?
Do the mounted cables have suitable strain relief?
Does the supply voltage match the information on the nameplate?
Commissioning Easytemp TMR31, TMR35
14 Endress+Hauser
6 Commissioning
6.1 Post-installation check
Perform the following checks prior to commissioning the measuring point:
1. Perform the post-mounting check using the checklist → 12.
2. Perform the post-connection check using the checklist → 13.
6.2 Switching on the measuring device
After applying the supply voltage, the device is in the measuring mode.
6.3 Configuring the measuring device
The compact thermometer is configured via a configuration set TXU10, for PC-programmable
thermometers - with setup software ReadWin 2000 and interface for PC with USB port
Configurable parameters
Standard settings • Measuring unit (°C/°F)
• Measuring range limits:
• –50 to +150 °C (–58 to +302 °F) without extension neck
• –50 to +200 °C (–58 to +392 °F) with extension neck
Advanced settings • Failure mode
• Output (analog standard/inverse)
• Filter: 0 to 8 s
• Offset: –9.9 to +9.9 K
• Device TAG
Service functions Simulation (on/off)
7 Diagnostics and troubleshooting
7.1 General troubleshooting
Due to the device's particular design, it cannot be repaired. However, it is possible to send
the device in for inspection. → 16
Error Possible cause Solution
Device is not responding. Supply voltage does not match the value
indicated on the nameplate.
‣Apply correct voltage.
Device measures incorrectly. The device has been incorrectly connected. ‣Check the pin assignment
→ 12.
Incorrect device orientation. ‣Install the device correctly.
→ 8
Easytemp TMR31, TMR35 Maintenance
Endress+Hauser 15
Error Possible cause Solution
Heat dissipation over the measuring point. ‣Observe the face-to-face length of
the sensor.
No communication Communication cable is not connected. ‣Check wiring and cables.
Behavior of the device in the event of a fault
The behavior of the output in the event of a failure is regulated in accordance with NAMUR
NE43. The current output adopts the configured failure current. → 24
8 Maintenance
No special maintenance work is required.
8.1 Cleaning
The device must be cleaned whenever necessary. Cleaning can also be done when the device is
installed (e.g. CIP Cleaning in Place / SIP Sterilization in Place). When cleaning the device,
care must be taken to ensure that it is not damaged.
NOTICE
Avoid damage to the device and the system
‣Pay attention to the specific IP code when cleaning.
8.2 Endress+Hauser services
Service Description
Calibration RTD inserts may drift depending on the application. Regular recalibration to verify accuracy is
recommended. The calibration can be performed by E+H or by qualified technical staff using calibration
devices onsite.
9 Repair
Due to the device's particular design, it cannot be repaired.
Repair Easytemp TMR31, TMR35
16 Endress+Hauser
9.1 Spare parts
Spare parts currently available for your product can be found online at:
http://www.products.endress.com/spareparts_consumables. Always quote the serial number
of the device when ordering spare parts!
Type Order number TMR31 TMR35
Adapter upgrade TXU10 51007657
Collar welding boss d6 PEEK+screw 51004751
Collar welding boss d6 PEEK w/o screw 51004752
Screw G½"+sealing taper 51007599
Cable M12x1, length 5 m 51005148
4-pin plug M12x1, cable assembly 51006327
Cable set 4p D18 IP69K 71217708
Weld-in adapter G3/4, d=50, 316L, 3.1 52018765
Weld-in adapter G3/4, 316L, 3.1 52011897
Welding boss for G1/2" sealing system 71424800
O-ring 14.9x2.7 VMQ, FDA, 5 pcs 52021717
Weld-in adapter G3/4, d=55, 316L 52001052
O-ring 21.89x2.62 VMQ, FDA, 5 pcs 52014473
Weld-in adapter G1, d=60, 316L 52001051
Weld-in adapter G1, d=60, 316L, 3.1 52011896
O-ring 28.17x3.53 VMQ, FDA, 5 pcs 52014472
Thermowell TMR35, L = 83 mm, G½", 316L 51327121
Compression fitting, movable TA50-
9.2 Return
The requirements for safe device return can vary depending on the device type and national
legislation.
1. Refer to the website for more information:
http://www.endress.com/support/return-material
2. Return the device if repairs or a factory calibration are required, or if the wrong device
was ordered or delivered.
9.3 Disposal
The device contains electronic components and must, therefore, be disposed of as electronic
waste in the event of disposal. Please pay particular attention to the local regulations
Easytemp TMR31, TMR35 Accessories
Endress+Hauser 17
governing waste disposal in your country. Ensure proper separation and reuse of the device
components where possible.
10 Accessories
Various accessories, which can be ordered with the device or subsequently from Endress
+Hauser, are available for the device. Detailed information on the order code in question is
available from your local Endress+Hauser sales center or on the product page of the Endress
+Hauser website: www.endress.com.
All dimensions in mm (in).
10.1 Device-specific accessories
Accessories Description
Welding boss with sealing taper
G½”
25 (0.98)
36 (1.42)
"30 (1.18)
"6 (0.24)
4
3
2
1
AF24
A0020709-EN
1 Pressure screw, 303/304
2 Washer, 303/304
3 Sealing taper, PEEK
4 Collar welding boss, 316L
• Collar welding boss movable with sealing taper, washer and
pressure screw G½"
• Material of parts in contact with the process 316L, PEEK
• Max. process pressure 10 bar (145 psi)
• Order number with pressure screw 51004751
• Order number without pressure screw 51004752
Accessories Easytemp TMR31, TMR35
18 Endress+Hauser
Accessories Description
Collar welding boss
25 (0.98)
!30 (1.18)
G½”
!6 (0.24)
A0020710
• Material of parts in contact with the process 316L
• Order number without pressure screw 51004752
Accessories Description
Compression fitting
G½”
45 (1.77 )
+1 +0.04
15 (0.59)
"6 (0.24)
AF14
AF27
A0020174-EN
• Adjustable clamping ring, for process connections G½", G¾",
G1", NPT ½", etc.
• Material of compression fitting and parts in contact with the
process, 316L
• Order number TA50-HB (other versions can be configured in
the TA50 structure)
Easytemp TMR31, TMR35 Accessories
Endress+Hauser 19
Accessories Description
Welding boss with sealing taper (metal-metal)
!30 (1.18)
16 (0.63)
34 (1.34)
15 (0.6)
G½”
A0006621
M12x1.5
!7.6 (0.3)
!20 (0.8)
13 (0.51)
17 (0.67)
A0018236
• Welding boss for G½" or M12x1.5 thread
• Metal-sealing; conical
• Material of parts in contact with the process 316L/1.4435
• Max. process pressure 16 bar (232 PSI)
• Order number 71424800 (G½")
Dummy plug
8 (0.31)
!18
(0.71)
G½”/
M12x1.5
37 (1.46)
AF22
A0009213-EN
• Dummy plug for G½” or M12x1.5 conical metal-sealing
welding boss
• Material: SS 316L/1.4435
• Order number 60022519 (G½")
Accessories Easytemp TMR31, TMR35
20 Endress+Hauser
Accessories Description
Weld-in adapter for FTL31/33/20, vessel
mounting
ø50 (2.0)
26 (1.0)
21 (0.8)
ø32 (1.3)
G ¾
ISO 228
"
A0008810
• G¾", d=50 mm, with flange
• Material 316L
• Roughness in µm (µin), 0.8 (31.5)
• Order number 52018765 (with inspection certificate
EN10204-3.1 material)
• Order number for seal (5-pc. set), silicone O-ring 52021717 1),
FDA-compliant
• EHEDG tested and 3-A marked
1) A seal is included in the delivery.
Accessories Description
Weld-in adapter for FTL50
26 (1.0)
ø55 (2.2)
21 (0.8)
ø32 (1.3)
G ¾
ISO 228
"
A0008274
• G¾", d=55 mm, with flange
• Material 316L
• Roughness in µm (µin), 0.8 (31.5)
• Order number 52001052 (without inspection certificate
EN10204-3.1 material)
• Order number 52011897 (with inspection certificate
EN10204-3.1 material)
• Order number for seal (5-pc. set), silicone O-ring 52014473 1),
FDA-compliant
• EHEDG tested and 3-A marked
1) A seal is included in the delivery.
/