WIKA 700.01 Manual de usuario
Model 700.01.080 per ATEX Model 700.02.080 per ATEX
GB
D
F
E
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
Dierential pressure gauge with magnetic piston, models 700.01
and 700.02, per directive 94/9/EC (ATEX)
Dierenzdruckmessgerät mit Magnetkolben, Typen 700.01
und 700.02, nach Richtlinie 94/9/EG (ATEX)
Manomètre pour pression diérentielle avec piston magnétique,
types 700.01 et 700.02, selon la directive 94/9/CE (ATEX)
Manómetro diferencial con pistón magnético, modelos 700.01 y
700.02, conformes a la directiva 94/9/CE (ATEX)
II 2 GD c
2WIKA operating instructions dierential pressure gauge with piston per ATEX
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Operating instructions models 700.01 and
700.02 per ATEX
Page 3-13
Betriebsanleitung Typen 700.01 und
700.02 nach ATEX
Seite 15-25
Mode d’emploi des types 700.01 et 700.02
selon ATEX
Page 27-37
Manual de instrucciones modelos 700.01
y 700.02 según ATEX
Página 39-49
© 2013 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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Contents
1. General information 4
2. Safety 5
3. Specications 8
4. Design and function 8
5. Options and accessories 9
6. Transport, packaging and storage 10
7. Commissioning, operation 10
8. Maintenance and cleaning 12
9. Dismounting and disposal 12
Appendix 1: Declaration of conformity for models 700.01 and
700.02
13
Contents
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WIKA operating instructions dierential pressure gauge with piston per ATEX
1. General information
1. General information
■
The dierential 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
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 insuciently qualied skilled personnel
or unauthorised modications to the instrument.
■
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: PM 07.14
Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that 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 that results in serious injury or death, if not avoided.
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2. Safety
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.
Observe the selection and installation recommendations for
pressure gauges in accordance with EN 837-2.
Check the compatibility with the medium of the materials
subjected to pressure!
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
the equipment.
Further important safety instructions can be found in the
individual chapters of these operating instructions.
2.1 Intended use
These dierential pressure gauges are used for monitoring dierential pressures
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 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.
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WIKA operating instructions dierential pressure gauge with piston per ATEX
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.
Temperature class of the
ambient explosive atmosphere
(ignition temperature)
Maximum permissible medium
temperature (in the measuring
system)
T 6 (> 85 °C) +70 °C
T 5 (> 100 °C) +85 °C
all other temperature classes +100 °C
2.3 Safety instructions for dierential 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 EC declaration of conformity are followed.
Dierential pressure gauges must be grounded via the process
connection!
Specications
Permissible temperatures
Ambient: 0 … +60 °C
Medium: 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. Both aspects have to be taken into
account. For permissible maximum medium temperatures see table 1.
Attention! With gaseous substances, the temperature may increase as a result
of compression warming. In these cases it may be necessary to throttle the rate
of change of pressure or reduce the permissible medium temperature.
Table 1: Permissible medium temperature
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2.4 Special hazards
WARNING!
Residual media in dismounted dierential pressure gauges can
result in a risk to persons, the environment and equipment. Take
sucient precautionary measures.
2.5 Labelling / safety marks
Product label
2. Safety
Date of
manufacture
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.
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) on explosion protection.
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WIKA operating instructions dierential pressure gauge with piston per ATEX
3. Specications
3. Specications / 4. Design and function
Specications Model 700.01 Model 700.02
Nominal size 80
Indication accuracy ±3 % of full scale value with
increasing dierential pressure
±5 % of full scale value with
increasing dierential pressure
Scale ranges 0 … 400 mbar to 0 … 10 bar 0 … 160 mbar to 0 … 2.5 bar
Max. working pressure
(static pressure)
optionally 100, 250 or 400 bar 100 bar
(scale ranges 0 ... 160 mbar
and 0 ... 250 mbar: 50 bar)
Overpressure safety either side to maximum working pressure
(exception for model 700.02, scale ranges 0 ... 160 mbar and
0 ... 250 mbar: Overpressure safety up to 50 bar)
Ingress protection lP 54 (EN 60529 / lEC 529)
Measuring chamber
with pressure
connection (wetted)
Stainless steel 1.4571, 2 x G ¼ female, on the right and left
side, in-line (EN 837-1 /7.3)
For further specications see WIKA data sheet PM 07.14 and the order
documentation.
4. Design and function
Description
Pressures p1and p2 are given in the ⊕ and ⊖ measuring chambers, separated
by the magnetic piston under pressure (or magnetic piston and separating
diaphragm for model 700.02).
The dierence in pressure causes an axial movement (deection) of the piston
supported by the measuring range spring.
The deection resulting from this is taken up by a ring magnet found on
the instrument pointer and appropriately displayed. This design combines
the advantages of complete separation of the measuring system and the
indication while eliminating any leakage to the exterior.
For model 700.01 the volume ow from the ⊕ measuring chamber to the ⊖
measuring chamber is minimised by the constructive design and will not interfere
with standard processes.
These instruments are mainly intended for gas/air supply and preparation
applications where no magnetic particles are involved.
WIKA operating instructions dierential pressure gauge with piston per ATEX 9
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A
B
B
In processes with oating particles model 700.02 should be used.
Scope of delivery
Cross-check scope of delivery with delivery note.
5. Options and accessories
5.1 Mounting ange (only for model 700.01, see left illustration)
May be retrotted on site as required.
Alignment of the front bezel (A) by means of the stamped cams to the grooves
found on the case circumference. Push front bezel on the case until it snaps into
position.
5.2 Minimum or maximum drag pointer (see illustrations)
The drag pointer (B) serves to monitor and control the miniumum or maximum
occurring dierential pressure.
5. Options and accessories
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WIKA operating instructions dierential pressure gauge with piston per ATEX
7. Commissioning, operation
Mechanical connection
The installation of the dierential pressure gauge is made following the installation
recommendations for pressure gauges in accordance with EN 837-2 /7.
Mounting of the process connection according to axed symbols ⊕ and ⊖
⊕ high pressure, ⊖ low pressure
■
Hold against the connection pieces in the case of installation by means of
17 mm screw spanner (installation without holding against the connection
pieces may cause thet measuring system to get loose).
■
The maximum permissible medium/ambient temperature must not be
exceeded.
■
Prior to the installation of the pressure gauge, clean the measuring lines
thoroughly by tapping and blowing or rinsing.
■
Mount and operate the measuring instruments free from vibration.
■
Protect measuring instruments from contamination and high temperature
changes.
To avoid foreign matter in the measuring system and the resulting damage to the
system, the pressure gauge must be mounted above the connector. For measuring
media containing suspended particles model 700.02 should be used.
6. Transport, packaging and storage / 7. Commissioning ...
6. Transport, packaging and storage
6.1 Transport
Check the dierential pressure gauge for any damage that may have been
caused by transport. Obvious damage must be reported immediately.
6.2 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).
6.3 Storage
Permissible conditions at the place of storage
Storage temperature: -20 ... +70 °C (optional: -40 … +70 °C)
Este manual sirve para los siguientes modelos
3
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