WIKA 55 Series Istruzioni operative
DE
EN
Additional operating instructions
Zusatz-Betriebsanleitung
Mode d’emploi complémentaires
Manual de instrucciones adicional
ES
FR
Model R5502
Additional operating instructions for hazardous areas
Model 55 + option ATEX
Zusatz-Betriebsanleitung für explosionsgefährdete
Bereiche, Typ 55 + option ATEX
Mode d’emploi complémentaires concernant les zones
explosives, type 55 + option ATEX
Manual de instrucciones adicional para zonas
potencialmente explosivas, modelo 55 + option ATEX
CE Ex
II 2G Ex h IIC T6 ...T1 Gb X
II 2D Ex h IIIC T85 °C ...T450 °C Db X
DE
EN
ES
FR
2
© 12/2010 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!
Additional operating instructions model 55
(ATEX)
Page 3 - 14
Zusatz-Betriebsanleitung Typ 55 (ATEX)
Seite 15 - 26
Mode d‘emploi complémentaires
type 55 (ATEX)
Page 27 - 38
Manual de instrucciones adicional
modelo 55 (ATEX)
Página 39 - 50
11583747.07 12/2021 EN/DE/FR/ES
WIKA additional operating instructions model 55 (ATEX)
EN
Supplementary documentation:
▶This additional operating instructions for hazardous areas
applies in conjunction with the operating instructions “Bimetal
thermometer, model 55” (article number 12968065).
11583747.07 12/2021 EN/DE/FR/ES
4WIKA additional operating instructions model 55 (ATEX)
1. Safety
DANGER!
Danger to life due to loss of explosion protection
Non-observance of these instructions and their contents
may result in the loss of explosion protection.
▶Observe the safety instructions in this chapter and
further explosion instructions in these operating
instructions.
▶Follow the requirements of the ATEX directive.
▶Observe the information given in the applicable
type examination certicate and the relevant
regulations for installation and use in hazardous areas
(e.g. IEC 60079-11, IEC 60079-10 and IEC 60079-14).
1.1 Explanation of symbols
DANGER!
... indicates a potentially dangerous situation in the
hazardous area that can result in serious injury or death, if
not avoided.
1. Safety
EN
11583747.07 12/2021 EN/DE/FR/ES
WIKA additional operating instructions model 55 (ATEX) 5
1.2 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.
Check whether the classication is suitable for the application (see Ex
marking, chapter 1.5 “Labelling, safety marks”). Observe the relevant
national regulations.
The non-observance of the instructions for use in hazardous areas
can lead to the loss of the explosion protection. Adhere to the
following limit values and instructions (see data sheet).
The manufacturer shall not be liable for claims of any type based on
operation contrary to the intended use.
1.3 Responsibility of the operator
The responsibility for classication of zones lies with the plant
operator and not the manufacturer/supplier of the equipment.
1.4 Personnel qualication
The skilled personnel must have knowledge of ignition protection
types, regulations and provisions for equipment in hazardous areas.
1. Safety
EN
11583747.07 12/2021 EN/DE/FR/ES
6WIKA additional operating instructions model 55 (ATEX)
1.5 Labelling, safety marks
Product label (example)
Model + option ATEX
Ex marking
Year of manufacture
Serial number
Before mounting and commissioning the instrument,
ensure you read the operating instructions!
Do not ll the instruments with lling liquid subsequently.
"MODEL"
35
15
R1
With variables:
Mit Variablen:
Without variables:
Ohne Variablen:
Serial number acc. to Order
Seriennummer nach Auftrag
Year of production
Produktionsjahr
"Model" NS / NG A# RI / ÄI
A5525 63 14481642 01
A5500 100 14481643 01
A5501 160 14481644 01
R5526 63 14481645 01
R5502 100 14481646 01
R5503 160 14481647 01
S55xx 63 not available -
S5550 100 14481648 01
S5551 160 14481649 01
II 2G Ex h IIC T6 ... T1 Gb X
II 2D Ex h IIIC T85°C ... T450°C Db X
Thermometer + option ATEX
Example:
Beispiel:
Model acc. to Order
Modell nach Auftrag
WIKA 63911 Klingenberg / Germany
"SERIAL-NO" "YEAR"Year
II 2G Ex h IIC T6 ... T1 Gb X
II 2D Ex h IIIC T85°C ... T450°C Db X
Thermometer + option ATEX
WIKA 63911 Klingenberg / Germany
A5500
II 2G Ex h IIC T6 ... T1 Gb X
II 2D Ex h IIIC T85°C ... T450°C Db X
Thermometer + option ATEX
WIKA 63911 Klingenberg / Germany
5
Serial No.:
Year
Serial No.:
Year
Serial No.: ABCD123456 2021
www.wika.com
D-63911 Klingenberg
ALEXANDER WIEGAND SE & Co. KG
Printed versions are not subject to change management and are not subject to update service and are not considered valid.
All rights as well as rights to register patents and other property rights reserved. Any reproduction or disclosure only with authorization from WIKA.
Ausgedruckte Versionen unterliegen nicht dem Änderungsdienst und haben keinen Anspruch auf Aktualität.
Alle Rechte sowie Rechte zur Anmeldung von Patenten und anderen Schutzrechten vorbehalten. Vervielfältigung und Weitergabe nur mit Genehmigung durch WIKA.
by WIKA
1 2
A
B
C
D
E
3 4
F
DEKLI1_EN_A4M_T01 15.04.2020
ISO 8015
SIZE ISO 14405
mm
units
Check indicator
[inch]
language
GER/ENG
sheets /
reference
modified
released
size
nominal
material
raw
part
scale
.
UV/DR
comments
drawing number
GG
µm
z
R in ±0.5±0.3±0.2
...400...120...30 >120>30>6
±0.1
...6
0.5
Tol. ISO 2768 - mK
141663-
ISO 1302 xyz
Surface texture
first created
01
REVISION
Workflow
Prüfung-01
15.02.21
15.02.2021
HOHMST
14475129
SCHILD
16
01
2:1 11
07.05.21 HOHMST
14113998
Rollhaftetikette PET sillber matt
Roll adhesive PET silver dull
SORT-ZCHG SHI 35*15 THERMOMETER TYP 55 ATEX (EX c) O.EZE ETK SKL
LABEL
Only for information / Nur zur Information
1. Safety
EN
11583747.07 12/2021 EN/DE/FR/ES
WIKA additional operating instructions model 55 (ATEX) 7
Ex marking
II 2G Ex h IIC T6 ... T1 Gb X
II 2D Ex h IIIC T85 °C ... T450 °C Db X
Marking Designation Meaning
CE marking European conformity
Specic marking for
explosion protection
Ex symbol
II Symbol of the
equipment group
Equipment intended for use in other
places than underground parts of mines,
and in those parts of surface installations
of such mines, liable to be endangered by
redamp and/or combustible dust and an
explosive atmosphere.
2Symbol of the
equipment category
High safety, approved for zone 1 and 21
GEx atmosphere Concerning explosive atmospheres
caused by gases, vapours or mists
DEx atmosphere Concerning explosive atmospheres
caused by dust
Ex Ex marking Standards ISO 80079-36 and
ISO 80079-37 applied
hIgnition protection
type
Non-electrical equipment for explosive
atmospheres
An ignition protection type is not applied
to the letter “h”.
IIC Suitable atmosphere Gas atmosphere group IIC
IIIC Suitable atmosphere Combustible yings, non-conductive dust
and conductive dust
T6 ... T1 Maximum surface
temperature
Symbol indicating the temperature class
The actual maximum surface temperature
depends not on the equipment itself, but
mainly on the operating conditions.
1. Safety
EN
11583747.07 12/2021 EN/DE/FR/ES
8WIKA additional operating instructions model 55 (ATEX)
Marking Designation Meaning
T85 °C ...
T450 °C
Maximum surface
temperature
Maximum surface temperature
The actual maximum surface temperature
depends not on the equipment itself, but
mainly on the operating conditions.
Gb Equipment Protection
Level (EPL)
Potential ignition sources that are eective
or may become eective during normal
operation and expected malfunction
Db
XSpecic conditions
of use see operating
instructions
Ambient temperature with special range
Specic conditions of use apply.
2. Commissioning, operation
DANGER!
Danger to life from missing instrument grounding
With missing or incorrect grounding, there exists a risk of
dangerous voltages (leading to, for example, mechanical
damage, electrostatic charge or induction).
▶Ground thermometer!
Observe the special conditions (see chapter 3 “Special conditions for
use (X conditions)”, point 4).
1. Safety / 2. Commissioning, operation
EN
11583747.07 12/2021 EN/DE/FR/ES
WIKA additional operating instructions model 55 (ATEX) 9
3. Special conditions for use (X conditions)
3. Special conditions for use (X conditions)
1) Design temperatures
Permissible ambient temperature at case:
Temperature ranges
Unlled instrument -40 ...+70 °C
Filled instrument -40 ... +70 °C
Option: low temperature -50 ... +70 °C
Option: POLARgauge®-70 ... +60 °C
Permissible medium temperature: max. end of scale
Observe the surface temperature for ATEX application:
The permissible medium temperature does not only depend on
the instrument design, but also on the ignition temperature of the
surrounding gases, vapours or dust.Take both aspects into account.
2) Maximum surface temperature
The surface temperature mainly depends on the medium and
ambient temperature. The instrument itself does not contain any
heating sources. For prevention, consider the maximum medium
temperature as maximum surface temperature, if it is not possible
to determine the real surface temperature even in the case of
expected malfunctions.
Instruments for use in hazardous gas/air, vapour/air and mist/air
atmospheres:
Temperature class
(gas application)
Maximum permissible surface
temperature (for the end application)
T6 80 °C
T5 95 °C
T4 130 °C
T3 195 °C
T2 250 °C (290 °C) 1)
T1 250 °C (440 °C) 1)
1) only for instruments without liquid lling
EN
11583747.07 12/2021 EN/DE/FR/ES
10 WIKA additional operating instructions model 55 (ATEX)
Hazardous dust atmosphere
For dusts, the procedure specied in ISO/IEC 80079-20-2 for
determining the ignition temperature has to be applied.The
ignition temperature is determined separately for dust clouds and
dust layers, respectively. For dust layers, the ignition temperature
depends on the dust layer thickness per EN/IEC 60079-14.
Ignition temperature
of dust
Maximum permissible medium
temperature (in the measuring system)
Dust cloud T
cloud < 2/3 Tcloud
Dust layer Tlayer < Tlayer − 75 K − (reduction depending on the
layer thickness)
The permissible maximum medium temperature must not exceed
the lowest determined value, even in case of a malfunction.
Explosive atmosphere consisting of hybrid mixtures
The instruments must not be used in areas in which an
atmosphere consisting of explosive hybrid mixtures (dusts mixed
with gases) can occur.
3) Mount the instrument in such a way that, taking into consideration
the inuence of convection and heat radiation, no deviation above or
below the permissible ambient and medium temperatures can occur.
4) The instruments must be earthed via the process connection.
This is why electrically conductive sealing should be used at
the process connection. Alternatively, take other measures for
grounding. External sources of stray electric currents depend on
end use application and must be assessed by the end user.
5) Avoid handling of materials that react dangerously with the
materials used for the instrument, and substances liable to
spontaneous combustion.
3. Special conditions for use (X conditions)
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