WIKA 232.50.100 Manuale utente
ES
FR
DE
EN
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
Example: Model 232.50.100 per ATEX
Pressure gauge model 2, NS100 and NS160 per ATEX
Druckmessgerät Typ 2, NG 100 und NG 160 nach ATEX
Manomètre type 2, diam. 100 et diam. 160 selon ATEX
Manómetro modelo 2, DN100 y DN 160 según ATEX
II 2 GD c TX X
ES
FR
DE
EN
2080268.08 01/2017 EN/DE/FR/ES
WIKA operating instructions pressure gauge, model 2 per ATEX
2
© 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!
Operating instructions model 2 per ATEX Page 3-18
Betriebsanleitung Typ 2 nach ATEX Seite 19-34
Mode d’emploi type 2 selon ATEX Page 35-50
Manual de instrucciones modelo 2 según ATEX Página 51-67
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WIKA operating instructions pressure gauge, model 2 per ATEX 3
1. General information 4
2. Safety 5
3. Specications 11
4. Design and function 12
5. Transport, packaging and storage 13
6. Commissioning, operation 14
7. Maintenance and cleaning 17
8. Dismounting and disposal 17
Annex: EU declaration of conformity 34
Contents
Contents
Declarations of conformity can be found online at www.wika.com.
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1. General information
The pressure gauge described in the operating instructions has
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 pressure gauge. 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
insuciently qualied skilled personnel or unauthorised modica-
tions to the pressure gauge.
The general terms and conditions, contained in the sales documen-
tation, shall apply.
Subject to technical modications.
1. General information
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WIKA operating instructions pressure gauge, model 2 per ATEX 5
Further information:
- Internet address: www.wika.de / www.wika.com
- Relevant data sheet: PM 02.02, PM 02.04, PM 02.15,
PM 02.22, PM 02.24
Explanation of symbols
WARNING!
... indicates a potentially dangerous situation, which can
result in serious injury or death, if not avoided.
Information
... points out useful tips, recommendations and information
for ecient and trouble-free operation.
WARNING!
... indicates a potentially dangerous situation in the
hazardous area, resulting in serious injury or death, if not
avoided.
2. Safety
WARNING!
Before installation, commissioning and operation, ensure
that the appropriate pressure gauge has been selected in
terms of measuring range, design and specic measuring
conditions.
The compatibility of the materials under pressure with the
medium must be checked!
1. General information / 2. Safety
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In order to guarantee the measuring accuracy and
long-term stability specied, the corresponding load limits
must be observed.
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.
2.1 Intended use
These pressure gauges are used for measuring pressure within hazard-
ous areas in industrial applications.
The pressure gauge has been designed and built solely for the
intended use described here, and may only be used accordingly.
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 should qualication be 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.
2. Safety
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WIKA operating instructions pressure gauge, model 2 per ATEX 7
2. Safety
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 independently recognising potential hazards.
2.3 Safety instructions for pressure gauges 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 EU-type examination certicate are
followed.
Pressure gauges must be grounded via the process
connection.
Permissible ambient temperature
Model 232/262/PG23CP -40 ... +60 °C (unlled)
Model 233/263/PG23CP -20 ... +60 °C (glycerine lling)
-40 ... +60 °C (silicone oil lling)
Model PG23LT -70 ... +60 °C (silicone oil lling)
Attention! In the case of gaseous media, the temperature may
increase due to compression warming. In these cases it may be neces-
sary to throttle the rate of change of pressure or reduce the permissible
medium temperature.
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Permissible medium temperature
The permissible medium temperature not only depends on the instru-
ment design, but also on the ignition temperature of the surrounding
gases, vapours or dusts. Both aspects have to be taken into account.
Potentially explosive gas atmosphere
Required
temperature class
(ignition
temperature of gas
or vapour)
Maximum permissible medium temperature
(in the measuring system)
Models 232, PG23CP
(dry gauges)
Models 233, PG23LT, PG23CP
(liquid-lled gauges)
T6 (T > 85 °C) +70 °C +70 °C
T5 (T > 100 °C) +85 °C +85 °C
T4 (T > 135 °C) +120 °C +100 °C
T3 (T > 200 °C) +185 °C +100 °C
T2 (T > 300 °C) +200 °C +100 °C
T1 (T > 450 °C) +200 °C +100 °C
Hazardous dust atmosphere
For dusts, the procedure specied in ISO/IEC 80079-20-2 for determin-
ing 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 IEC/EN 60079-14.
Ignition temperature
of dust
Maximum permissible medium temperature
(in the measuring system)
Dust cloud: TCloud < 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.
2. Safety
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WIKA operating instructions pressure gauge, model 2 per ATEX 9
Handling of materials
Avoid handling of materials that react dangerously with the materials
used for the instrument, and substances liable to spontaneous
combustion.
Cleaning
Clean the measuring instrument with a moist cloth. Ensure that due to
the cleaning no electrostatic charge will be generated.
2.4 Special hazards
WARNING!
For hazardous media such as oxygen, acetylene, amma-
ble 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.
From pressure gauges which do not correspond to a
safety version per EN 837 highly pressurised media might
leak out through the possibly bursting window in case of a
component failure.
For gaseous media and operating pressures > 25 bar a
pressure gauge with safety version S3 is recommended
per EN 837-2.
For additional important safety instructions see chapter "2.3 Safety
instructions for pressure gauges per ATEX".
WARNING!
Residual media in dismounted pressure gauges can result
in a risk to persons, the environment and equipment.
Take sucient precautionary measures.
2. Safety
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WIKA operating instructions pressure gauge, model 2 per ATEX
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2. Safety
2.5 Labelling / safety marks
Dial
ATEX marking: II 2 GD c TX X
Serial number
Product Label
Model
Year of manufacture
Before mounting and commissioning the instru-
ment, ensure you read the operating instructions!
Instruments bearing this mark on the dial are safety pressure
gauges with solid bae wall per EN 837 (S3).
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