TR21-C
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
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
GB
D
F
E
Model TR21-A
Model TR21-B Model TR21-C
GB
Operating instructions model TR21
D
Betriebsanleitung Typ TR21
F
Mode d'emploi type TR21
Page 3 - 20
Seite 21 - 38
Page 39 - 56
Manual de instrucciones modelo TR21
E
© 2011 WIKA Alexander Wiegand SE & Co. KG
All rights reserved. / Alle Rechte vorbehalten.
®
is a registered trademark in various countries.
WIKA
®
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!
Página 57 - 73
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!
2
WIKA operating instructions model TR21
14006814.01 05/2011 GB/D/F/E
Contents
Contents
1. General information 4
2. Safety 5
3. Specications 8
4. Design and function 10
5. Transport, packaging and storage 13
6. Commissioning, operation 13
7. Maintenance and cleaning 15
8. Faults 16
9. Dismounting, return and disposal 17
10. Accessories 18
Appendix 1: EC declaration of conformity 19
GB
Declarations of conformity can be found online at www.wika.com.
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WIKA operating instructions model TR21 3
1. General information
1. General information
■
The miniature resistance thermometer described in these operating instructions has
GB
been designed and manufactured using state-of-the-art technology. All components
are subject to stringent quality and environmental criteria during production. Our
management systems are certied to ISO 9001 and ISO 14001.
■
These operating instructions contain important information on handling the miniature
resistance thermometer. 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 miniature resistance thermometer‘s range of use.
■
The operating instructions are part of the product and must be kept in the immediate
vicinity of the miniature resistance thermometer 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 insuciently qualied skilled personnel or unauthorised modications to
the miniature resistance thermometer.
■
The general terms and conditions contained in the sales documentation shall apply.
■
Subject to technical modications.
■
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.: (+49) 9372/132-0
Fax: (+49) 9372/132-406
E-Mail: info@wika.de
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.
4 WIKA operating instructions model TR21
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1. General information / 2. Safety
Information
… points out useful tips, recommendations and information for ecient and
trouble-free operation.
WARNING!
... indicates a potentially dangerous situation that can result in burns, caused
by hot surfaces or liquids, if not avoided.
Abbreviations
RTD "Resistance temperature detector"
TC "Thermocouple"
2. Safety
WARNING!
Before installation, commissioning and operation, ensure that the appropriate
miniature resistance thermometer has been selected in terms of measuring
range, design, specic measuring conditions and appropriate wetted parts'
materials (corrosion).
Non-observance can result in serious injury and/or damage to the equipment.
GB
Further important safety instructions can be found in the individual chapters of
these operating instructions.
2.1 Intended use
The TR21 series of resistance thermometers has been developed specically for the
measurement of temperatures in the range of -50 … +250 °C in vessels or pipelines within
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 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 specications contained in these operating instructions must be observed.
Improper handling or operation of the instrument outside of its technical specications
requires the instrument to be taken out of service immediately and inspected by an
authorised WIKA service engineer.
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WIKA operating instructions model TR21 5
2. Safety
If the instrument is transported from a cold into a warm environment, the formation of
condensation may result in the instrument malfunctioning. Before putting it back into
operation, wait for the instrument temperature and the room temperature to equalise.
GB
The manufacturer shall not be liable for claims of any type based on operation contrary to
the intended use.
2.2 Personnel qualication
WARNING!
Risk of injury if qualication is insucient!
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 qualications described below.
■
Keep unqualied personnel away from hazardous areas.
Skilled personnel
Skilled personnel are understood to be personnel who, based on their technical training,
knowledge of measurement and control technology and on their experience and knowledge
of country-specic regulations, current standards and directives, are capable of carrying out
the work described and of independently recognising potential hazards.
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 sucient 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.
6 WIKA operating instructions model TR21
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2. Safety
2.4 Labelling / Safety marks
Product label
Model
Year of manufacture
GB
For an explanation of symbols see below
Pin assignment
Thermowell marking
(Example: model TW61 thermowell for model TR21-B resistance thermometer)
Outer diameter x wall thickness (in mm)
Tubular body
material
Material code
(complete assembly)
Identication of the qualied
(for stamping) inspector
max. nominal pressure
Hygiene class
Explanation of symbols
Before mounting and commissioning the instrument, ensure you read
the operating instructions!
Pipe standard
CE-mark
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant European directives.
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WIKA operating instructions model TR21 7
3. Specications
3. Specications
Output signal Pt100
GB
Temperature range Measuring range -50 ... +150 °C, -50 ... +250 °C
Measuring element Pt100 (measuring current: 0.1 ... 1.0 mA) standard measuring resistor
Connection method 3-wire
Sensor tolerance value
2)
per DIN EN 60751
Output signal 4 ... 20 mA
Temperature range Measuring range -50 ... +150 °C, -50 ... +250 °C
Measuring element Pt100 (measuring current: 0.5 mA) standard measuring resistor
Connection method 3-wire
Sensor tolerance value
per DIN EN 60751
Measuring span minimum 20 K, maximum 300 K
Basic conguration
Analogue output 4 ... 20 mA, 2-wire
Measuring deviation
per DIN EN 60770, 23 °C ±5 K
Linearisation linear to temperature per DIN EN 60751
Linearisation error ±0.1 %
Switch-on delay, electrical < 10 ms
Signalling of sensor burnout congurable: NAMUR downscale < 3.6 mA (typically 3 mA)
Sensor short-circuit
Load R
A
Eect of load ± 0.05 % / 100 Ω
Power supply DC 10 ... 35 V
Max. permissible residual ripple 10 % at 24 V / maximum 300 Ω Load
Power supply input protected against reverse polarity
Pt100 (measuring current: 0.1 ... 1.0 mA) face-sensitive measuring
1)
resistor
4-wire
Class B
Class A
Class AA
Pt100 (measuring current: 0.5 mA) face-sensitive measuring resis-
1)
tor
2) 4)
Class B
Class A
Class AA
Measuring range -50 ... +150 °C, -50 ... +250 °C depending on the
selected temperature range, other measuring ranges are adjustable
0.2 % (Transmitter)
5)
4)
NAMUR upscale > 21.0 mA (typically 23 mA)
not congurable, generally NAMUR downscale < 3.6 mA (typically
3 mA)
RA ≤ (UB - 10 V) / 0.023 A with RA in Ω and UB in V
3)
Readings in % refer to the measuring span
For a correct determination of the overall measuring error, both sensor and transmitter measuring deviations have to
be considered.
The small design of the face-sensitive measuring resistors leads to reduced heat dissipation with short insertion lengths.
1)
Available for temperature range -50…+150 °C in Classes A and B.
Face-sensitive measuring resistors are generally used for thermowell insertion lengths smaller than 11 mm.
For detailed specications for Pt100 sensors, see Technical Information IN 00.17 at www.wika.com
2)
The temperature transmitter should therefore be protected from temperatures over 85 °C
3)
For measuring spans smaller than 50 K additional 0.1 K
4)
± 0.2 % for measuring ranges with a lower limit less than 0 °C
5)
8 WIKA operating instructions model TR21
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3. Specications
Power supply eect ± 0.025 % / V
Electromagnetic compatibility
(EMC)
Temperature units congurable °C, °F, K
Info data
Conguration and calibration
data
Electrical connection M12 x 1, 4-pin circular connector
Ambient conditions
Ambient and storage temperature -40 … +85 °C
Case ingress protection
Thermowell
Thermowell model TW22 (models TR21-A, TR21-C)
Surface nish Standard: R
Materials Stainless steel 1.4435 (316L)
Connection to the thermometer Model TR21-A: G 3/8"
Thermowell diameter 6 mm, optional: probe tip reduced to 4.5 mm (from U
Thermowell model TW61 (model TR21-B)
Surface nish Standard: R
Materials Stainless steel 1.4435
Connection to the thermometer G 3/8"
2004/108/EC, EN 61326 emission (Group 1, Class B) and interference Immunity (industrial application)
6)
TAG No., descriptor and message can be stored in transmitter
permanently stored in EEPROM
7)
IP 68
/ IP 69K per IEC 529 / EN 60529
The stated ingress protection only applies when plugged in
using mating connectors that have the appropriate ingress
protection.
< 0.8 µm
Optional: R
R
< 0.4 µm electropolished
a
a
< 0.8 µm electropolished, Ra < 0.4 µm,
a
Model TR21-C: welded
< 0.8 µm
Optional: R
R
< 0.4 µm electropolished
a
a
< 0.8 µm electropolished, Ra < 0.4 µm,
a
> 25 mm)
1
GB
Use resistance thermometers with shielded cable, and ground the shield on at least one end of the lead, if the lines are longer than
6)
30 m or leave the building
1 MWs/ 24 h
7)
Available documentation/certication
■
2.2 Test certicate
■
3.1 Acceptance test certicate
■
DKD certicate
For further specications see WIKA data sheets TE 60.26, TE 60.27 and TE 60.28 as well
as order documentation.
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WIKA operating instructions model TR21 9
4. Design and function
4. Design and function
4.1 Description
GB
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 Pt100 sensor in
the temperature sensor. This change can be measured directly or can 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 connection.
Overview of the process connections/thermowell variants
■
Miniature resistance thermometer model TR21-A with thermowell model TW22
Temperature sensors Thermowell model TW22
Output signal:
4 ... 20 mA
Pt100
Clamp
VARIVENT
10 WIKA operating instructions model TR21
®
BioControl
DIN 11851
®
14006814.01 05/2011 GB/D/F/E
4. Design and function
■
Miniature resistance thermometer model TR21-B with thermowell model TW61
Flow-through housing Angular housing
Output signal:
4 ... 20 mA
Pt100
4 ... 20 mA
Pt100
GB
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WIKA operating instructions model TR21 11
4. Design and function
■
Miniature resistance thermometer model TR21-C
Output signal
:
4 ... 20 mA
GB
Pt100
4 ... 20 mA
Pt100
Clamp
VARIVENT
®
BioControl
®
DIN 11851
4.2 Scope of delivery
Cross-check scope of delivery with the delivery note.
12 WIKA operating instructions model TR21
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5. Transport, packaging and storage / 6. Commissioning, ...
5. Transport, packaging and storage
5.1 Transport
Check the instrument for any damage that may have been caused during transportation.
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: 0 ... 70 °C
■
Humidity: 35 ... 85 % relative humidity (no condensation)
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
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.
GB
6. Commissioning, operation
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.
For installation, the appropriate fastenings, such as screws and nuts, must be used; also
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 supply.
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WIKA operating instructions model TR21 13
6. Commissioning, operation
Electrical connection
Transmitter (circular connector M12 x 1, 4-pin)Pt100 (circular connector M12 x 1, 4-pin)
GB
The conguration of the model TR21 miniature resistance thermometer is made via the
WIKA_TT conguration software (multilingual, free download from www.wika.com) and the
model PU-448 programming unit (see chapter "10. Accessories").
Connecting PU-448 programming unit
Adapter cable PU-448 to M12
DC 10 ... 35 V
TR21
14 WIKA operating instructions model TR21
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7. Maintenance and cleaning
7. Maintenance and cleaning
7.1 Maintenance
The resistance thermometers described here are maintenance-free.
The electronics are completely encapsulated and incorporate 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 qualied skilled personnel.
7.2 Cleaning
CAUTION!
■
Wash or clean the dismounted instrument before returning it in order to
protect personnel 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 sucient precautionary measures.
For information on returning the instrument see chapter "9.2 Return".
GB
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WIKA operating instructions model TR21 15
8. Faults
8. Faults
Faults Causes Measures
GB
Not possible to insert the
temperature sensor into the
thermowell
Leakage of process media
■
at the connection between the
process and the thermowell
■
from the interface between the
thermowell and the sensor
In the case of critical installations, we recommend calculating the harmonic frequency of
the thermowell according to ASME PTC 19.3 or Dittrich/Klotter. This engineering service is
oered by WIKA.
Foreign bodies in the thermowell Remove foreign bodies
Damaged or contaminated
thermowell or temperature sensor
fastening thread
Sensor dimension and those of the
inner diameter of the thermowell do
not match
Thermowell or sensor has been bent
or damaged during installation
Error during installation or defective
seals
Damage, e.g. caused by operating
the thermowell under a resonant
vibration load
Clean or recut the thread
Check order documentation
Return for repair
Check the seal, check the
tightening torques
Safe operation of the
plant can no longer be
guaranteed
(in the worst case, this
might result in a complete
rupture of the thermowell)
CAUTION!
If faults cannot be eliminated by means of the measures listed above, the
instrument must be withdrawn from use immediately, it must be ensured that
there is no longer any pressure and/or signal and they must be prevented from
being inadvertently put back into service.
In this case, contact the manufacturer.
If a return is needed, follow the instructions given in chapter "9.2 Return".
16 WIKA operating instructions model TR21
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9. Dismounting, return and disposal
9. Dismounting, return and disposal
WARNING!
Residual media in dismounted instruments can result in a risk to persons, the
environment and equipment.
Take sucient precautionary measures.
9.1 Dismounting
WARNING!
Risk of burns!
Let the instrument cool down suciently before dismounting!
During dismounting there is a risk of dangerously hot pressure media
escaping.
Only disconnect the resistance thermometer and the thermowell once the system has been
depressurised!
9.2 Return
WARNING!
Absolutely observe the following when shipping the instrument:
All instruments delivered to WIKA must be free from any kind of hazardous
substances (acids, leachate, solutions, etc.).
When returning the instrument, use the original packaging or a suitable transport package.
GB
To avoid damage:
1. Wrap the instrument in an antistatic plastic lm.
2. Place the instrument, along with shock-absorbent material, in the packaging.
Place shock-absorbent material evenly on all sides of the shipping box.
3. If possible, place a bag containing a desiccant inside the packaging.
4. Label the shipment as carriage of a highly sensitive measuring instrument.
Enclose the completed return form with the instrument.
The return form is available on the internet:
www.wika.com / Service / Return
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WIKA operating instructions model TR21 17
9. Dismounting, return and disposal / 10. Accessories
9.3 Disposal
Incorrect disposal can put the environment at risk.
Dispose of instrument components and packaging materials in an environmentally
GB
compatible way and in accordance with the country-specic waste disposal regulations.
10. Accessories
Conguration set
Model Special features Order No.
Programming unit
Model PU-448
■
Easy to use
■
LED statusdisplay
■
Compact version
■
Now no further power supply is needed for either the
programming unit or for the transmitter
■
Measuring the loop current of the model TR21
resistance thermometers is possible
11606304
Adapter cable M12 to
PU-448
Adapter cable for the connection of a resistance
thermometer to the PU-448 programming unit
14003193
Software
WIKA_TT conguration software (multilingual) as a free
download from www.wika.com
18 WIKA operating instructions model TR21
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Appendix 1: EC declaration of conformity
GB
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WIKA operating instructions model TR21 19
GB
20 WIKA operating instructions model TR21
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Inhalt
Inhalt
1. Allgemeines 22
2. Sicherheit 23
3. Technische Daten 26
4. Aufbau und Funktion 28
5. Transport, Verpackung und Lagerung 31
6. Inbetriebnahme, Betrieb 31
7. Wartung und Reinigung 33
8. Störungen 34
9. Demontage, Rücksendung und Entsorgung 35
10. Zubehör 36
Anlage 1: EG-Konformitätserklärung 37
Konformitätserklärungen nden Sie online unter www.wika.de.
D
28
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WIKA Betriebsanleitung Typ TR21 21
1. Allgemeines
1. Allgemeines
■
Das in der Betriebsanleitung beschriebene Miniatur-Widerstandsthermometer wird nach
den neuesten Erkenntnissen konstruiert und gefertigt.
Alle Komponenten unterliegen während der Fertigung strengen Qualitäts- und Umweltkriterien. Unsere Managementsysteme sind nach ISO 9001 und ISO 14001 zertiziert.
D
■
Diese Betriebsanleitung gibt wichtige Hinweise zum Umgang mit dem Miniatur-Widerstandsthermometer. Voraussetzung für sicheres Arbeiten ist die Einhaltung aller angegebenen Sicherheitshinweise und Handlungsanweisungen.
■
Die für den Einsatzbereich des Miniatur-Widerstandsthermometers geltenden örtlichen
Unfallverhütungsvorschriften und allgemeinen Sicherheitsbestimmungen einhalten.
■
Die Betriebsanleitung ist Produktbestandteil und muss in unmittelbarer Nähe des
Miniatur-Widerstandsthermometers für das Fachpersonal jederzeit zugänglich
aufbewahrt werden.
■
Das Fachpersonal muss die Betriebsanleitung vor Beginn aller Arbeiten sorgfältig durchgelesen und verstanden haben.
■
Die Haftung des Herstellers erlischt bei Schäden durch bestimmungswidrige Verwendung, Nichtbeachten dieser Betriebsanleitung, Einsatz ungenügend qualizierten
Fachpersonals sowie eigenmächtiger Veränderung am Miniatur-Widerstandsthermometer.
■
Es gelten die allgemeinen Geschäftsbedingungen in den Verkaufsunterlagen.
■
Technische Änderungen vorbehalten.
■
Weitere Informationen:
- Internet-Adresse: www.wika.de / www.wika.com
- zugehöriges Datenblatt: TE 60.26, TE 60.27, TE 60.28
- Anwendungsberater: Tel.: (+49) 9372/132-0
Fax: (+49) 9372/132-406
E-Mail: info@wika.de
Symbolerklärung
WARNUNG!
… weist auf eine möglicherweise gefährliche Situation hin, die zum Tod oder
zu schweren Verletzungen führen kann, wenn sie nicht gemieden wird.
VORSICHT!
… weist auf eine möglicherweise gefährliche Situation hin, die zu
geringfügigen oder leichten Verletzungen bzw. Sach- und Umweltschäden
führen kann, wenn sie nicht gemieden wird.
22 WIKA Betriebsanleitung Typ TR21
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1. Allgemeines / 2. Sicherheit
Information
… hebt nützliche Tipps und Empfehlungen sowie Informationen für einen
ezienten und störungsfreien Betrieb hervor.
WARNUNG!
… weist auf eine möglicherweise gefährliche Situation hin, die durch heiße
Oberächen oder Flüssigkeiten zu Verbrennungen führen kann, wenn sie nicht
gemieden wird.
Abkürzungen
RTD englisch: "Resistance temperature detector"; Widerstandsthermometer
TC englisch: "Thermocouple"; Thermoelement
2. Sicherheit
WARNUNG!
Vor Montage, Inbetriebnahme und Betrieb sicherstellen, dass das richtige
Miniatur-Widerstandsthermometer hinsichtlich Messbereich, Ausführung,
spezischen Messbedingungen und geeignetem messstoberührtem
Werksto (Korrosion) ausgewählt wurde. Bei Nichtbeachten können schwere
Körperverletzungen und/oder Sachschäden auftreten.
D
Weitere wichtige Sicherheitshinweise benden sich in den einzelnen Kapiteln
dieser Betriebsanleitung.
2.1 Bestimmungsgemäße Verwendung
Widerstandsthermometer der Typenreihe TR21 wurden speziell zur Messung von
Temperaturen in Behältern oder Rohrleitungen im Bereich von -50 … +250 °C innerhalb
der sterilen Verfahrenstechnik entwickelt. Dabei dient das Schutzrohr zum Schutz des
Temperaturfühlers gegenüber den Prozessbedingungen. Des Weiteren ermöglicht die
lösbare Verbindung zum Schutzrohr bei den Ausführungen TR21-A und TR21-B den
Ausbau des Temperaturfühlers ohne den Prozess stillzulegen und verhindert Umwelt- oder
Personenschäden durch den Austritt von Prozessmedium.
Das Gerät ist ausschließlich für den hier beschriebenen bestimmungsgemäßen Verwendungszweck konzipiert und konstruiert und darf nur dementsprechend verwendet werden.
Die technischen Spezikationen in dieser Betriebsanleitung sind einzuhalten. Eine
unsachgemäße Handhabung oder ein Betreiben des Gerätes außerhalb der technischen
Spezikationen macht die sofortige Stilllegung und Überprüfung durch einen autorisierten
WIKA-Servicemitarbeiter erforderlich.
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WIKA Betriebsanleitung Typ TR21 23
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