WIKA 55 User Manual [en, de, es, fr]

Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones

Bimetal thermometer, models 53, 54, 55 (ATEX)

Bimetall-Thermometer, Typen 53, 54, 55 (ATEX)

Thermomètre bimétallique, types 53, 54, 55 (ATEX)

Termómetro bimetálico, modelos 53, 54, 55 (ATEX)

CE Ex
II 2 GD c TX

Model R5502 Model S5413

GB

D

F

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Operating instructions models 53, 54, 55 (ATEX)

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Page 3-18

Betriebsanleitung Typen 53, 54, 55 (ATEX)

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F

Mode d'emploi types 53, 54, 55 (ATEX)

Manual de instrucciones modelos 53, 54, 55 (ATEX)

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© 2010 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!

2

WIKA operating instructions models 53, 54, 55 (ATEX)

Seite 19-32

Page 33-48

Página 49-62

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Contents

Contents

1. General information 4

2. Safety 6

3. Specications 10

4. Design and function 10

5. Transport, packaging and storage 11

6. Commissioning, operation 12

7. Maintenance and cleaning 14

8. Dismounting, return and disposal 15

Appendix: EC Declaration of Conformity 17

Declarations of conformity can be found online at www.wika.com.

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1. General information

1. General information

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The bimetal thermometers described in the operating instructions
have been designed and manufactured using state-of-the-art

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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.

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These operating instructions contain important information on
handling the instrument. Working safely requires that all safety
instructions and work instructions are observed.

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Observe the local accident prevention regulations and general

safety regulations, in eect for the instrument's range of use.

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The operating instructions are part of the instrument and must
be kept in the immediate vicinity of the instrument and readily
accessible to skilled personnel at any time.

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Skilled personnel must have carefully read and understood the
operating instructions, prior to beginning any work.

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The manufacturers 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.

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The general terms and conditions contained in the sales
documentation shall apply.

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Subject to technical modications.

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Further information:

- Internet address: www.wika.de / www.wika.com

- Relevant data sheet: TM 53.01, TM 54.01, TM 55.01

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1. General information

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.

Information

... points out useful tips, recommendations and information

for ecient and trouble-free operation.

WARNING!

... indicates a potentially dangerous situation in the
hazardous area that can result in serious injury or death, if
not avoided.

WARNING!

... indicates a potentially dangerous situation that can
result in burns caused by hot surfaces or liquids, if not
avoided.

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2. Safety

2. Safety

WARNING!

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2.1 Intended use

These bimetal thermometers are used for measuring temperature in
hazardous areas of industrial applications.

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.

Before installation, commissioning and operation, ensure
that the appropriate bimetal thermometer has been

selected in terms of measuring range, design and specic

measuring conditions. The compatibility of the wetted
parts of the process connection (thermowell, thermowell
stem) with the medium must be tested.
Non-observance can result in serious injury and/or
damage to equipment.

Further important safety instructions can be found in the
individual chapters of these operating instructions.

The manufacturer shall not be liable for claims of any type based on
operation contrary to the intended use.

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2. Safety

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 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-specic regulations,

current standards and directives, are capable of carrying out the work
described and of independently recognising potential hazards.

2.3 Additional safety instructions for instruments per ATEX

WARNING!

Non-observance of these instructions and their contents
may result in the loss of explosion protection.

WARNING!

It is imperative that the application conditions and safety

requirements of the EC-type examination certicate are

followed.
Temperature measuring instruments must be earthed via
the process connection!

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Bimetal thermometers contain no internal heat source, and, when
correctly installed and operated, cause no increase in temperature!

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2. Safety

A heat return ow from the process, which exceeds the ignition

temperature of the surrounding hazardous area, is not permitted and
must be prevented through appropriate thermal insulation!

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The following surface temperatures must not be exceeded:

Potentially explosive atmosphere

Gas, air, vapour, mist Dust, air

Permissible
surface
temperature

1) If dust should settle on the instrument (up to a max. 5 mm layer thickness), a safety margin
of 75 K must be maintained between the minimum ignition temperature of the dust layer
and the surface temperature! For thicker dust layers a greater safety margin should be
incorporated!

2.4 Special hazards

≤ 80 % of the ignition

temperature in °C

≤ 2/3 of the minimum

ignition temperature

1)

in °C

WARNING!

Observe the information given in the applicable type

examination certicate and the relevant country­specic regulations for installation and use in potentially
explosive atmospheres (e.g. IEC 60079-14, NEC, CEC).

Non-observance can result in serious injury and/or
damage to the equipment.

For additional important safety instructions for insturments
with ATEX approval see chapter 2.3 “Additional safety
instructions for instruments per ATEX”.

WARNING!

Residual media in dismounted instruments can result in
a risk to persons, the environment and equipment. Take

sucient precautionary measures.

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2. Safety

WARNING!

For lled instruments, make sure that the medium

temperature is lower than 250 °C.

Reason: The sheath also contains a lling liquid; at a

temperature > 250 °C, this liquid may become cloudy or
change colour or, in some cases, may ignite.

2.5 Labelling, safety marks

Product label

Model

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.

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Year of manufacture

ATEX European Explosion Protection Directive

(Atmosphère = AT, explosible = EX)
Instruments bearing this mark comply with the

requirements of the European Directive 94/9/EC (ATEX)

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on explosion protection.

3. Specications / 4. Design and function

3. Specications

Specications

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Measuring element Bimetal coil
Nominal size 3", 5" 63, 80, 100, 160 63, 100, 160
Instrument version

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Model A5x

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Model R5x

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Model S5x

Permissible ambient
temperature
Working pressure

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Continuous load (1 year)

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Short term (max. 24 h)

Case, ring
Stem, process connection
Ingress protection

Model 53 Model 54 Model 55

Back mount (axial)

- Lower mount (radial)
Back mount, housing can rotate and swivel

-20 ... +60 °C max. -50 ... +60 °C

Measuring range (EN 13190)
Scale range (EN 13190)

Stainless steel
Stainless steel 1.4571 (316Ti)

IP 65 per EN 60529 / IEC 529
IP 66, liquid-lled

1.4301 (304)

For further specications see WIKA data sheet TM 53.01, TM 54.01

or TM 55.01 and order documentation.

4. Design and function

4.1 Description

The bimetal thermometers of this series are intended for installation in
pipelines, vessels, plant and machinery.

Sheath and case are made of stainless steel.

To allow tting to the process, dierent installation lengths and

process connections are available.

Through the high protection class of the thermometer (IP 65) and its
liquid damping, operation under vibration conditions is possible.

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4. Design, function / Transport, packaging ...

4.2 Scope of delivery

Cross-check scope of delivery with delivery note.

5. Transport, packaging and storage

5.1 Transport

Check 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: -20 ... +60 °C

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

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 thermometer as described below:

1. Wrap the thermometer in an antistatic plastic lm.

2. Place the thermometer, 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.

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5. Transport ... / 6. Commissioning, operation

WARNING!

Before storing the instrument (following operation),
remove any residual media. This is of particular

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importance if the medium is hazardous to health, e.g.
caustic, toxic, carcinogenic, radioactive, etc.

The use of liquid damping is always recommended for
temperatures near the dew point (±1 °C around 0 °C).

6. Commissioning, operation

The bimetal thermometer must be earthed via the process
connection!

When screwing the instruments in, the force required to do this must

not be applied through the casing, but only through the spanner ats

provided for this purpose and using a suitable tool.

Installation with
open-ended spanner

When mounting a bimetal dial indicating thermometer that can be

rotated and swivelled, the specic instructions must be followed. In

order to set the indicator to the desired position, the following steps
must be taken:

1. The lock nut or union nut must be loosened at the process
connection.

2. The hexagon bolts and slotted screws at the swivel joint must be
loosened.

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6. Commissioning, operation

loosening

Make sure to loosen the screws
on the opposite side as well!

3. Position the indicator as required, tighten the hexagon bolts and

slotted screws, and nally tighten the lock nut or union nut rmly.

Permissible vibration load at the installation site

The instruments should always be installed in locations free from
vibration.

If this is not possible, the following limit values must not be exceeded:
Frequency range < 150 Hz
Acceleration < 0.5 g (5 m/s2)

When using thermowells, they must be lled with a thermal contact

medium in order to reduce the heat transfer resistance between the
outer wall of the sensor and the inner wall of the thermowell. The
working temperature of the thermal compound is -40 ... +200 °C.

WARNING!

Do not ll hot thermowells. There is a risk of the oil

spraying out!

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6. Commissioning ... / 7. Maintenance and ...

CAUTION!

When using thermowells, please

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ensure that the stem does not
touch the bottom of the thermowell

since, due to the dierent
expansion coecients of the

materials, the stem may become
buckled at the bottom of the

Thermowell

Stem

Required safety
clearance

thermowell.
(Formula for the calculation of
the insertion length l1 see the
respective thermowell's data sheet)

7. Maintenance and cleaning

7.1 Maintenance

These bimetal thermometers are maintenance-free!
The indicator should be checked once or twice every year. For this
the instrument must be disconnected from the process and checked
using a temperature calibrator.

Repairs must only be carried out by the manufacturer.

7.2 Cleaning

CAUTION!

■

Clean the thermometer with a moist cloth.

■

Wash or clean the thermometer before returning it, in
order to protect personnel and the environment from
exposure to residual media.

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7. Maintenance, cleaning / 8. Dismounting ...

■

Residual media in the dismounted instrument can result
in a risk to personnel, the environment and equipment.

Take sucient precautionary measures.

For information on returning the instrument see chapter

8.2 “Returns”.

8. Dismounting, return and disposal

WARNING!

Residual media in the dismounted instrument can result
in a risk to persons, the environment and equipment. Take

sucient precautionary measures.

8.1 Dismounting

WARNING!

Risk of burns!

Let the instrument cool down suciently before

dismounting it! During dismounting there is a risk of
dangerously hot pressure media escaping.

8.2 Returns

WARNING!
Absolutely observe when shipping the instrument:

All instruments delivered to WIKA must be free from any
kind of hazardous substances (acids, bases, solutions,
etc.).

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When returning the instrument, use the original packaging or a
suitable transport package.

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8. Dismounting, return and disposal

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

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the transport packaging.

3. If possible, place a bag, containing a desiccant, inside the
packaging.

4. Label the shipment as transport of a highly sensitive measuring
instrument.

Information on returns can be found under the heading
“Service” on our local website.

8.3 Disposal

Incorrect disposal can put the environment at risk.

Dispose of instrument components and packaging materials in an
environmentally compatible way and in accordance with the country-

specic waste disposal regulations.

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Appendix: EC Declaration of Conformity

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Inhalt

Inhalt

1. Allgemeines 20

2. Sicherheit 22

3. Technische Daten 26

4. Aufbau und Funktion 26

5. Transport, Verpackung und Lagerung 27

6. Inbetriebnahme, Betrieb 28

7. Wartung und Reinigung 30

8. Demontage, Rücksendung und Entsorgung 31

Anlage: EG-Konformitätserklärung 17

Konformitätserklärungen nden Sie online unter www.wika.de.

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1. Allgemeines

1. Allgemeines

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Die in der Betriebsanleitung beschriebenen Bimetall-Thermometer
werden nach dem aktuellen Stand der Technik konstruiert und
gefertigt. Alle Komponenten unterliegen während der Fertigung
strengen Qualitäts- und Umweltkriterien. Unsere Management-

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systeme sind nach ISO 9001 und ISO 14001 zertiziert.

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Diese Betriebsanleitung gibt wichtige Hinweise zum Umgang mit
dem Gerät. Voraussetzung für sicheres Arbeiten ist die Einhaltung
aller angegebenen Sicherheitshinweise und Handlungsanweisun­gen.

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Die für den Einsatzbereich des Gerätes geltenden örtlichen Unfall­verhütungsvorschriften und allgemeinen Sicherheitsbestimmungen
einhalten.

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Die Betriebsanleitung ist Produktbestandteil und muss in unmittel­barer Nähe des Gerätes für das Fachpersonal jederzeit zugänglich
aufbewahrt werden.

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Das Fachpersonal muss die Betriebsanleitung vor Beginn aller
Arbeiten sorgfältig durchgelesen und verstanden haben.

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Die Haftung des Herstellers erlischt bei Schäden durch bestim­mungswidrige Verwendung, Nichtbeachten dieser Betriebsan-

leitung, Einsatz ungenügend qualizierten Fachpersonals sowie

eigenmächtiger Veränderung am Gerät.

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Es gelten die allgemeinen Geschäftsbedingungen in den Verkaufs­unterlagen.

■

Technische Änderungen vorbehalten.

■

Weitere Informationen:

- Internet-Adresse: www.wika.de / www.wika.com

- zugehöriges Datenblatt: TM 53.01, TM 54.01, TM 55.01

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