WIKA TR21 User manual

ES
FR
DE
EN
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
Model TR21-A
Miniature resistance thermometer
For sanitary applications, model TR21
Miniatur-Widerstandsthermometer
Für die sterile Verfahrenstechnik, Typ TR21
Sonde à résistance miniature
Pour applications sanitaires, type TR21
Termorresistencia miniatura
Para procesos estériles, modelo TR21
Model TR21-B Model TR21-C
70018194

2WIKA operating instructions model TR21
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ES
FR
DE
EN Operating instructions model TR21
Page 3 - 26
Betriebsanleitung Typ TR21 Seite 27 - 48
Mode d'emploi type TR21 Page 49 - 70
Manual de instrucciones modelo TR21 Página 71 - 91
© 2011 WIKA Alexander Wiegand SE & Co. KG
All rights reserved. / Alle Rechte vorbehalten.
WIKA®is a registered trademark in various countries.
WIKA®ist eine geschützte Marke in verschiedenen Ländern.
Prior to starting any work, read the operating instructions!
Keep for later use!
Vor Beginn aller Arbeiten Betriebsanleitung lesen!
Zum späteren Gebrauch aufbewahren!
Lire le mode d'emploi avant de commencer toute opération !
A conserver pour une utilisation ultérieure !
¡Leer el manual de instrucciones antes de comenzar cualquier trabajo!
¡Guardar el manual para una eventual consulta!

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WIKA operating instructions model TR21 3
EN
1. General information 4
2. Safety 5
3. Specications 8
4. Design and function 12
5. Transport, packaging and storage 14
6. Commissioning, operation 15
7. Conguration 18
8. Connecting PU-448 programming unit 19
9. Maintenance and cleaning 20
10. Faults 21
11. Dismounting, return and disposal 22
Appendix 1: CSA control drawing 24
Appendix 2: EC declaration of conformity 25
Contents
Declarations of conformity can be found online at www.wika.com.
Contents

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1. General information
■
The miniature resistance thermometers described in the operating instructions have
been manufactured using state-of-the-art technology. All components are subject to
stringent quality and environmental criteria during production. Our management systems
are certied to ISO 9001 and ISO 14001.
■
These operating instructions contain important information on handling the instrument.
Working safely requires that all safety instructions and work instructions are observed.
■
Observe the relevant local accident prevention regulations and general safety regulations
for the instrument's range of use.
■
The operating instructions are part of the product and must be kept in the immediate
vicinity of the instrument and readily accessible to skilled personnel at any time.
■
Skilled personnel must have carefully read and understood the operating instructions
prior to beginning any work.
■
The manufacturer's liability is void in the case of any damage caused by using the
product contrary to its intended use, non-compliance with these operating instructions,
assignment of insuciently qualied skilled personnel or unauthorised modications to
the instrument.
■
The general terms and conditions contained in the sales documentation shall apply.
■
Subject to technical modications.
■
Further information:
- Internet address: www.wika.de / www.wika.com
- Relevant data sheet: TE 60.26, TE 60.27, TE 60.28
- Application consultant: Tel.: [phone]
Fax: [phone]
[e-mail]
Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that can result in serious injury or
death, if not avoided.
CAUTION!
... indicates a potentially dangerous situation that can result in light injuries or
damage to equipment or the environment, if not avoided.
1. General information

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Information
... points out useful tips, recommendations and information for ecient and
trouble-free operation.
DANGER!
... identies hazards caused by electric power. Should the safety instructions
not be observed, there is a risk of serious or fatal injury.
WARNING!
... indicates a potentially dangerous situation that can result in burns, caused
by hot surfaces or liquids, if not avoided.
Abbreviations
2-wire The lead resistance is recorded as an error in the measurement.
3-wire With a cable length of 30 m or longer, measuring errors can occur.
4-wire The lead resistance can be ignored.
2. Safety
WARNING!
Before installation, commissioning and operation, ensure that the appropriate
miniature resistance thermometer has been selected in terms of measuring
range, design, specic measuring conditions and appropriate wetted-parts
materials (corrosion). Non-observance can result in serious injury and/or
damage to the equipment.
Depending on the type of application, the electrical connection must be
protected against mechanical damage.
Further important safety instructions can be found in the individual chapters of
these operating instructions.
2.1 Intended use
The model TR21 resistance thermometer has been specically designed for the
measurement of temperatures in vessels or pipes, in the range of -50 … +150 °C
(-58 ... + 302 °F) or -50 … +250 °C (-58 ... +482 °F), which are used in sanitary applications.
Here, the thermowell is used to protect the temperature sensor from the process conditions.
Furthermore, the detachable connection from the thermowell in the TR21-A and TR21-B
variants enables the removal of the temperature sensor without having to shut down the
1. General information / 2. Safety

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6WIKA operating instructions model TR21
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process; and thus guards against any damage to the environment or to personnel which
might be caused by escaping process media.
The instrument has been designed and built solely for the intended use described here, and
may only be used accordingly.
The technical specications contained in these operating instructions must be observed.
Improper handling or operation of the instrument outside of its technical specications
requires the instrument to be taken out of service immediately and inspected by an
authorised WIKA service engineer.
If the instrument is transported from a cold into a warm environment, the formation of
condensation may result in instrument malfunction. Before putting it back into operation,
wait for the instrument temperature and the room temperature to equalise.
The manufacturer shall not be liable for claims of any type based on operation contrary to
the intended use.
2.2 Personnel qualication
WARNING!
Risk of injury should qualication be insucient!
Improper handling can result in considerable injury and damage to equipment.
■
The activities described in these operating instructions may only be carried
out by skilled personnel who have the qualications described below.
■
Keep unqualied personnel away from hazardous areas.
Skilled electrical personnel
Skilled electrical personnel are understood to be personnel who, based on their technical
training, know-how and experience as well as their knowledge of country-specic
regulations, current standards and directives, are capable of carrying out work on electrical
systems and independently recognising and avoiding potential hazards. The skilled
electrical personnel have been specically trained for the work environment they are
working in and know the relevant standards and regulations.The skilled electrical personnel
must comply with current legal accident prevention regulations.
2. Safety

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WIKA operating instructions model TR21 7
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2.3 Special hazards
WARNING!
For hazardous media such as oxygen, acetylene, ammable or toxic gases or
liquids, and refrigeration plants, compressors, etc., in addition to all standard
regulations, the appropriate existing codes or regulations must also be
followed.
WARNING!
Residual media in dismounted instruments can result in a risk to persons, the
environment and equipment.
Take sucient precautionary measures.
Do not use this instrument in safety or emergency stop devices. Incorrect use
of the instrument can result in injury.
Should a failure occur, aggressive media with extremely high temperature and
under high pressure or vacuum may be present at the instrument.
2.4 Labelling, safety marking
Product labels (examples)
2. Safety


Model
Date of manufacture (Year-Month)
■
With direct sensor output with Pt100
and Pt1000
■
With transmitter and 4 … 20 mA
output signal



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Explanation of symbols
Before mounting and commissioning the instrument, ensure you read
the operating instructions!
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant European directives.
CSA, Canadian Standard Association®
The instrument was inspected and certied by CSA International. Instruments
bearing this mark comply with the applicable Canadian and U.S. standards on
safety.
3. Specications
Thermometer with transmitter and output signal 4 … 20 mA (models TR21-x-ZTT
and TR21-x-ZTB)
Temperature range -50 ... +150 °C (-58 ... +302 °F), -50 ... +250 °C (-58 ... +482 °F) 1)
Measuring element
■
Pt1000
■
Face-sensitive Pt1000 2)
Connection method 2-wire
Tolerance value of the measuring
element per IEC 60751 3)
Class A
Measuring span Minimum 20 K, maximum 300 K
Measuring deviation of the
transmitter
±0.25 K (per IEC 60770)
Outer diameter x wall thickness (in mm)
Tubular body
material
Material code
(complete assembly)
Identication of the qualied
inspector (for stamping)
CE mark
Pipe standard
Hygiene class
max. nominal pressure
Thermowell marking
(Example: model TW61 thermowell for model TR21-B resistance thermometer)
2. Safety

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WIKA operating instructions model TR21 9
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Thermometer with transmitter and output signal 4 … 20 mA (models TR21-x-ZTT
and TR21-x-ZTB)
Total measuring deviation in
accordance with IEC 60770
Measuring deviation of the measuring element + the transmitter
Basic conguration Measuring range 0 ... 150 °C (32 ... 302 °F), other measuring
ranges are adjustable
Analogue output 4 ... 20 mA, 2-wire
Linearisation Linear to temperature per IEC 60751
Linearisation error ±0.1 % 4)
Switch-on delay, electrical max. 4 s (time before the rst measured value)
Warming-up period After approx. 4 minutes, the instrument will function to the
specications (accuracy) given in the data sheet.
Current signal for error signalling Congurable in accordance with NAMUR NE43
downscale ≤ 3.6 mA upscale ≥ 21.0 mA
Sensor short-circuit not congurable, in accordance with NAMUR NE43 downscale
≤ 3.6 mA
Sensor current < 0.3 mA (self-heating can be ignored.)
Load RARA ≤ (UB- 10 V) / 23 mA with RA in Ω and UBin V
Eect of load ±0.05 % / 100 Ω
Power supply UBDC 10 ... 30 V
Max. permissible residual ripple 10 % generated by UB< 3 % ripple of the output current
Power supply input protected against reverse polarity
Power supply eect ±0.025 % / V (depending on the power supply)
Inuence of the ambient
temperature
0.1 % of span / 10 K Ta
Electromagnetic compatibility
(EMC) 6)
2004/108/EC, EN 61326 emission (group 1, class B) and
interference immunity (industrial application) 5), conguration at
20 % of the full measuring range
Temperature units Congurable °C, °F, K
Info data TAG No., description and user message can be stored in
transmitter
Conguration and calibration data Permanently stored
Response time (measurement in
accordance with IEC 60751)
t50 < 4.7 s t90 < 12.15 s
Electrical connection M12 x 1 circular connector (4-pin)
Autoclavability (option) Autoclavable with mounted protection cap at connecting plug
(for further details, see „Ambient conditions“)
Readings in % refer to the measuring span
1) The temperature transmitter should therefore be protected from temperatures over 85 °C (185 °F).
2) Through their small design, face-sensitive measuring resistors serve to reduce the heat dissipation with short insertion
lengths. Available for the temperature range up to 150 °C (302 °F).
For thermowell insertion lengths of less than 50 mm, face-sensitive measuring resistors are recommended.
For thermowell insertion lengths of less than 11 mm, face-sensitive measuring resistors are generally used.
3) Class accuracy A only valid in the temperature range -30 ... +150 °C (-22 ... +302 °F) or -30 ...+250 °C (-22 ... +482 °F),
otherwise class B
4) ±0.2 % for measuring ranges with a lower limit less than 0 °C (32 °F)
5) Use resistance thermometers with shielded cable, and ground the shield on at least one end of the lead, if the lines are
longer than 30 m or leave the building. The instrument must be operated grounded.
6) During transient interferences (e.g. burst, surge, ESD) take into account an increased measuring deviation of up to 2 %.
3. Specications

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Thermometer with direct sensor output with Pt100 (model TR21-x-ZPx)
and Pt1000 (model TR21-x-ZRx)
Temperature range -50 ... +150 °C (-58 ... +302 °F), -50 ... +250 °C (-58 ... +482 °F)
Measuring element
■
Pt100 (measuring current: 0.1 ... 1.0 mA)
■
Face-sensitive Pt100 (measuring current 0.1 ... 1.0 mA) 7)
■
Pt1000 (measuring current 0.1 ... 0.3 mA)
■
Face-sensitive Pt1000 (measuring current 0.1 ... 0.3 mA) 7)
Temperature at the connector max. 85 °C (185 °F)
Connection method
■
3-wire
■
4-wire
Tolerance value of the measuring
element per IEC 60751 8)
■
Class AA (1/3 DIN)
■
Class A
Response time (per IEC 60751) t50 < 4.7 s t90 < 12.15 s
Electrical connection M12 x 1 circular connector (4-pin)
Autoclavability (option) Autoclavable with mounted protection cap at connecting plug
(for further details, see „Ambient conditions“)
For detailed specications for Pt sensors, see Technical information IN 00.17 at www.wika.com.
Case
Material Stainless steel
Ingress protection
■
Case with connected connector 9)
■
Coupler connector, not connected
IP 67 and IP 69 per IEC 60529/EN 60529,
IP 69K per ISO 20653
IP 67 per IEC 60529/EN 60529
Weight in kg approx. 0.3 ... 2.5 (depending on version)
Ambient conditions
Ambient temperature range -50 ... +85 °C (-58 ... +185 °F)
Storage temperature range -40 ... +85 °C (-40 ... +185 °F)
Climate class per IEC 60654-1 Cx (-50 ... +85 °C or -58 ... +185 °F, 5 ... 95 % r. h.)
Maximum permissible humidity per
IEC 60068-2-30 var. 2
100 % r. h., condensation allowed
Maximum permissible autoclaving
conditions
max. 134 °C, 3 bar abs., 100 % r. h., duration 20 min.,
max. 50 cycles
Shock resistance per IEC 60068-2-27 50 g, 6 ms, 3 axis, 3 faces, 3 times for each face
Salt fog IEC 60068-2-11
Readings in % refer to the measuring span
7) Through their small design, face-sensitive measuring resistors serve to reduce the heat dissipation with short insertion
lengths. Available for the temperature range up to 150 °C (302 °F).
For thermowell insertion lengths of less than 50 mm, face-sensitive measuring resistors are recommended.
For thermowell insertion lengths of less than 11 mm, face-sensitive measuring resistors are generally used.
8) Class accuracy AA (1/3 DIN) only valid in the temperature range 0 ...150 °C (32 ... 302 °F)
Class accuracy A only valid in the temperature range -30 ...+150 °C (-22 ... +302 °F) or -30 ...+250 °C (-22 ... +482 °F),
otherwise class B
9) The stated ingress protection only applies when plugged in using mating connectors that have the appropriate ingress
protection.
3. Specications

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WIKA operating instructions model TR21 11
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Thermowell
Thermowell model TW22 (models TR21-A, TR21-C)
Surface roughness Standard: Ra ≤ 0.76 µm (SF3 per ASME BPE)
Optional: Ra ≤ 0.38 µm (SF4 per ASME BPE)
Ra ≤ 0.38 µm electropolished (SF4 per ASME BPE)
Materials Wetted parts: stainless steel 1.4435 (316L, UNS S31603)
Connection to thermometer Model TR21-A: G 3/8"
Model TR21-C: welded
Thermowell diameter 6 mm, optional: sensor tip reduced to 4.5 mm (from U1> 25 mm)
Thermowell model TW61 (model TR21-B)
Designs
■
Flow-through housing
■
Angular housing
Surface roughness In accordance with DIN 11866 series A, B:
Standard: Ra < 0.8 μm
Option: Ra < 0.4 μm electropolished
In accordance with DIN 11866 series C, ASME-BPE:
Standard: Ra < 0.76 μm
Option: Ra < 0.38 μm electropolished
others on request
Materials Per DIN 11866 series A, B: stainless steel 1.4435
Per DIN 11866 series C, ASME-BPE: stainless steel 316L
Connection to thermometer G 3/8"
CE conformity, approvals, patents/property rights
CE conformity
EMC directive 10) 2004/108/EC, EN 61326 emission (group 1, class B) and
interference immunity (industrial application)
Approvals
CSA Safety (e.g. electr. safety, overpressure, ...), Canada, USA
3-A Sanitary Standard, USA
EHEDG (models TR21-A, TR21-C) Hygienic Equipment Design, European Community
Patents/property rights
M12 x 1 adapter to DIN EN 175301-803
angular connector
Property right registered under No. 001370985
10) Only for built-in transmitter
For further specications see WIKA data sheets TE 60.26, TE 60.27 and TE 60.28 as well
as order documentation.
3. Specications

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4. Design and function
4.1 Description
The model TR21 miniature resistance thermometers consist of a temperature sensor and a
thermowell with a hygienic process connection.
Any change in the temperature causes a change in the resistance of the sensor in the
temperature probe.This change can be measured directly or can, optionally, be converted
into a 4 ... 20 mA signal proportional to the temperature.
The thermowell is used to adapt the thermometer to the process and protects the sensor
against harsh process conditions. Furthermore, the detachable connection from the
thermowell in the TR21-A and TR21-B variants enables the removal of the temperature
sensor without having to open the process. In this way, any hygienic risk is minimised
and it is possible to calibrate the entire measuring chain (sensor, transmitter if required,
connection cable) on site, without having to disconnect the electrical connections.
Overview of the process connections and thermowell variants
■
Miniature resistance thermometer, model TR21-A with thermowell model TW22
+VARIVENT®DIN 11851/DIN 11864Clamp BioControl®
Straight, without process connection Ball-/Collar-type
compression tting
Welding ballUnion nut SMS
4. Design and function

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WIKA operating instructions model TR21 13
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■
Miniature resistance thermometer, model TR21-C
VARIVENT®DIN 11851
Clamp BioControl®
Flow-through housing Angular housing
■
Miniature resistance thermometer, model TR21-B with thermowell model TW61
4. Design and function

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4.2 Scope of delivery
Cross-check scope of delivery with delivery note.
5. Transport, packaging and storage
5.1 Transport
Check the instrument for any damage that may have been caused by transport.
Obvious damage must be reported immediately.
5.2 Packaging
Do not remove packaging until just before mounting.
Keep the packaging as it will provide optimum protection during transport (e.g. change in
installation site, sending for repair).
5.3 Storage
Permissible conditions at the place of storage:
■
Storage temperature: -40 ... +85 °C (-40 ... +185 °F)
■
Humidity: 5 ... 95 % r. h.
Avoid exposure to the following factors:
■
Direct sunlight or proximity to hot objects
■
Mechanical vibration, mechanical shock (putting it down hard)
■
Soot, vapour, dust and corrosive gases
■
Potentially explosive environments, ammable atmospheres
Store the instrument in its original packaging in a location that fulls the conditions listed
above. If the original packaging is not available, pack and store the instrument as described
below:
1. Wrap the instrument in an antistatic plastic lm.
2. Place the instrument along with shock-absorbent material in the packaging.
3. If stored for a prolonged period of time (more than 30 days), place a bag containing a
desiccant inside the packaging.
WARNING!
Before storing the instrument (following operation), remove any residual media.
This is of particular importance if the medium is hazardous to health, e.g.
caustic, toxic, carcinogenic, radioactive, etc.
4. Design and function / 5. Transport, packaging and storage

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WIKA operating instructions model TR21 15
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6. Commissioning, operation
When using a thermowell additionally observe the information of the attached
thermowell operating instructions.
WARNING!
Avoid putting any mechanical loading on the electrical connections and on the
enclosures. Connections must only be opened once the instrument has been
depressurised and has cooled down.
Maximum permissible temperatures:
■
Without neck tube: -50 ... +150 °C (-58 ... +302 °F)
■
With neck tube: -50 ... +250 °C (-58 ... +482 °F)
■
At the case with transmitter: 85 °C (185 °F)
■
Temperature at the connector: max. 85 °C (185 °F)
6.1 Mounting
The connection dimensions of the thermowell must match those of the counterpart on the
process side. Insert the thermowell into the process adapter without forcing or damaging it.
For sealing, choose appropriate seals. (further information for mounting the thermowell see
enclosed operating instructions for thermowells)
For installation, the appropriate fastenings, such as screws and nuts, must be used and
mounted using the appropriate mounting torques and tools (e.g. open-ended spanner). The
seals installed must be checked regularly that they are functioning correctly.
The corresponding parts on the process side, the seals and the sealing rings are not
included in the scope of delivery.
The insertion length, along with the ow velocity and viscosity of the process media, may
reduce the max. loading on the thermowell.
The case must be grounded against electromagnetic elds and electrostatic discharge. It is
not necessary to connect the case separately to the equipotential bonding system, provided
that it has a xed and secure contact to the metallic vessel, its components or pipes, and
that these are connected to the equipotential bonding system.
When there is a non-metallic contact with the vessel, or with its structural components or
piping, the instrument must be provided with equipotential bonding.
6. Commissioning, operation

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WARNING!
Neither repairs nor structural modications are permitted, and any would void
the guarantee.
6.1.1 Tightening torque for the M12 mating connector or the M12 adapter
Select a tightening torque of 0.6 Nm.
6.1.2 Tightening torque for union nut
Select a tightening torque of 15 Nm.
6.2 Electrical connection
The electrical connection is made via an M12 x 1, 4-pin circular connector.
0 10 24 30 36
1083
833
583
Load RA in Ω
Voltage UBin V
Pin Signal Description
1L+ 10 ... 30 V
2VQ not connected
3L- 0 V
4C not connected
■
Output signal Pt100
■
Output signal 4 ... 20 mA
Load diagram
The permissible load depends on the loop supply voltage. For communication with the
instrument with programming unit PU-448, a max. load of 350 Ω is admissible.
6. Commissioning, operation

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WIKA operating instructions model TR21 17
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6.3 Behaviour of the electrical output signal
■
Sensor break and short-circuit
Sensor break or short-circuit are signalled after positive detection (after
approx. 1 second). If this fault condition has been caused by a malfunction, then a
relevant measurement signal must exist for approx. 1 second in order to return to
measuring mode. From the time of the error detection up to the error signalling, the last
relevant measured value will be delivered on the current loop.
Therefore, in the event of a “true” sensor break or short-circuit, this is also signalled
permanently. In the event of a “false” sensor break or short-circuit, the transmitter has the
possibility of reverting to measuring mode.
■
Medium temperature outside the span
If the media temperature congured in the transmitter is exceeded, the transmitter will
operate in a linear fashion within the following limits: 3.8 mA (MRS); 20.5 mA (MRE). If
these limits are crossed, then an error is signalled.
■
Hysteresis on return to the measuring span
After the linear error limits have been exceeded, on return to the measuring span, a
hysteresis of 0.1 mA must be passed.This hysteresis prevents the transmitter from
jumping back and forth between error and measuring mode.
Error
signalling
Error signalling Error signalling
3.8 ...
4 mA 20 ... 20.5 mA
4 ... 20 mA
3.8 mA 4 mA 20 mA 20.5 mA
3.9 mA 20.4 mA
Error
signalling
Error limits and permissible measuring range
6. Commissioning, operation
Measuring mode

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7. Conguration
Conguration is carried out using a USB interface with a PC via the model PU-448
programming unit (accessories, order no. 11606304).The connection with the thermometer
is made via the appropriate adapter cable (accessories: M12 x 1 circular connector,
order no. 14003193).
Measuring range, damping, error signalling, TAG No. and other parameters can be adjusted
(see conguration software).
■
Easy to use
■
LED status displays
■
Compact design
■
No further voltage supply is needed for either the
programming unit or for the transmitter
View of the conguration software WIKAsoft-TT
7. Conguration

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The measuring range is congurable between -50 ... +250 °C (-58 ... +482 °F). The
conguration software checks the desired measuring range and will only accept permissible
values. Intermediate values are congurable - the smallest increment is 0.1 °C or 0.1 °F. The
thermometers are delivered congured to customer specications within the congurable
limits.
Please note:
The measuring range of the thermometer is limited by the application range of the
measuring element, not by the setting range of the transmitter.
Maximum permissible temperatures:
■
Without neck tube: -50 ... +150 °C (-58 ... +302 °F)
■
With neck tube: -50 ... +250 °C (-58 ... +482 °F)
■
At the case with transmitter: 85 °C (185 °F)
■
Temperature at the connector: max. 85 °C (185 °F)
8. Connecting PU-448 programming unit
14004919.01
Adapter cable PU-448 to M12
TR21
7. Conguration / 8. Connecting PU-448 programming unit

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9. Maintenance and cleaning
9.1 Maintenance
The resistance thermometers described here require absolutely no maintenance and
contain no components which could be repaired or replaced.
In general, thermowells are maintenance-free.
We recommend a visual check of the thermowell for leaks and damages at regular intervals.
Make sure that the seal is in perfect condition!
Repairs should only be carried out by the manufacturer or, following prior consultation, by
correspondingly qualied skilled personnel.
9.2 Cleaning
CAUTION!
■
Before cleaning the instrument, disconnect the electrical connections.
■
Clean the instrument with a moist cloth.
■
Electrical connections must not come into contact with moisture.
■
Wash or clean the dismounted instrument before returning it, in order to
protect persons and the environment from exposure to residual media.
■
Residual media in dismounted instruments can result in a risk to persons,
the environment and equipment. Take sucient precautionary measures.
For information on returning the instrument see chapter 11.2 “Return”.
9. Maintenance and cleaning