WIKA PGS10 Manuale utente
Operating instructions
Betriebsanleitung
Mode d‘emploi
Manual de instrucciones
Model PGS10 Model PGS11 Model PGS21
Pressure gauges with switch contacts
Models PGS10, PGS11 and PGS21
Druckmessgeräte mit Schaltkontakten
Typen PGS10, PGS11 und PGS21
Manomètres à contacts électriques
Types PGS10, PGS11 et PGS21
Manómetros con contactos eléctricos
Modelos PGS10, PGS11 y PGS21
GB
D
F
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Operating instructions
Models PGS10, PGS11 and PGS21
Page 3-15
Betriebsanleitung
Typen PGS10, PGS11 und PGS21
Seite 17-29
Mode d’emploi
Types PGS10, PGS11 et PGS21
Page 31-43
Manual de instrucciones
Modelos PGS10, PGS11 y PGS21
Página 45-57
© WIKA Alexander Wiegand SE & Co. KG 2010
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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WIKA operating instructions models PGS10, PGS11 and PGS21 3
Contents
Contents
1. General information 3
2. Safety 4
3. Specications 6
4. Design and function 7
5. Electrical switch contacts 7
6. Transport, packaging and storage 10
7. Commissioning, operation 11
8. Maintenance and cleaning 13
9. Dismounting and disposal 14
Contents
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1. General information
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 pressure gauges range of use.
The operating instructions are part of the instrument and must be kept
in the immediate vicinity of the pressure gauge 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 pressure gauge.
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: PV 20.01, PV 21.01 and PV 21.02
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WIKA operating instructions models PGS10, PGS11 and PGS21 5
1. General information / 2. Safety
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.
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.
In order to guarantee the measuring accuracy and long-term
stability specied, the corresponding load limits must be
observed.
Only work on the gauge with the voltage disconnected.
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
The pressure gauges with switch contacts, switchGAUGE models PGS10,
PGS11 and PGS21, are used for controlling industrial processes for plant
monitoring and for the switching of circuits.
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2. Safety
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 to
personnel 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.
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 Special hazards
WARNING!
Dangerous pressure media such as oxygen, acetylene,
ammable gases or liquids, toxic gases or liquids as well
as for refrigeration plants or compressors require attention
above the standard regulations. Here the specic safety
codes or regulations must be considered.
WARNING!
Residual media in dismounted pressure gauges may result
in a risk to people, the environment and the system.Take
sucient precautionary measures.
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WIKA operating instructions models PGS10, PGS11 and PGS21 7
2.4 Labelling / safety marks
Product label
Explanation of symbols
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant
European directives.
3. Specications
2. Safety / 3. Specications
Prange ... scale range
Pswitch ... switch point
Model
Pin assignment
Models PGS10, PGS11 and PGS21
Pressure limitation
- Steady 3/4 x full scale value
- Fluctuating 2/3 x full scale value
- Short time Full scale value
Temperature eect When the temperature of the measuring system
deviates from the reference temperature (+20 °C):
max. ±0.4 %/10 K of the span
Ingress protection
- Enclosing case per EN 60529 / IEC 529
Model PGS10 and PGS11: IP 43
Model PGS21: IP 65
Operating temperature
- Ambient -20 ... +60 °C
- Medium Maximum +60 °C
For further specications see data sheet PV 20.01, PV 21.01, PV 21.02 and
the order documentation.
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4. Design and function / 5. Electrical switch contacts
4. Design and function
Description
Bourdon tube measuring elements are widely used in technical pressure
measurement due to their robustness and ease-of-use. Under the inuence
of pressure, these measuring elements deform within their elastic limits.
This motion is converted, via a mechanical movement (toothed gear), into
a rotational motion.To this, an electrical limit switch is connected - the
magnetic snap-action contact.The contact closes or opens the connected
electrical circuits when the settable limit values are exceeded.
Scope of delivery
Cross-check scope of delivery with delivery note.
5. Electrical switch contacts
Electrical connection
The electrical connection must only be made by qualied skilled
personnel
Connection of the switches via cable or via screw terminals in the
terminal box (L-connector)
The terminal assignment is stated on the product label of the pressure
gauge
The gauges must be connected to the equipotential bonding of the plant
Electromagnetic compatibility
EMC per EN 60947-5-2.
The instruments are to be protected against strong electromagnetic elds.
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WIKA operating instructions models PGS10, PGS11 and PGS21 9
5. Electrical switch contacts
Plug
Single contact Double contact
1: UB+ (common) 1: UB+ (common)
2: SP 1 2: SP 1
3: SP 2
Single contact Double contact
1: UB+ (common) 1: UB+ (common)
4: SP 1 4: SP 1
3: SP 2
L-connector EN 175301-803-C
Circular connector M12 x 1
Single contact Double contact
1: UB+ (common) 1: UB+ (common)
3: SP 1 3: SP 1
4: SP 2
Circular connector M8 x 1
Flying leads
Single contact Double contact
red: UB+ (common) red: UB+ (common)
black: SP 1 orange: SP 1
black: SP 2
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WIKA operating instructions models PGS10, PGS11 and PGS21
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5. Electrical switch contacts
Index Designa-
tion
Symbol Switching function / setting
direction
Code
1Normally
open
(NO)
Contact makes with rising pressure or
clockwise pointer motion (standard)
1
Contact breaks with falling pressure or
anticlockwise pointer motion
5
2Normally
closed
(NC)
Contact breaks with rising pressure or
clockwise pointer motion (standard)
2
Contact makes with falling pressure or
anticlockwise pointer motion
4
12 Normally
open /
closed
(NO-NC)
See switching function or setting
direction for single contact
11 Normally
open /
open
(NO-NO)
See switching function or setting
direction for single contact
22 Normally
closed /
closed
(NC-NC)
See switching function or setting
direction for single contact
Magnetic snap-action contact (normally closed or normally open)
The instruments are delivered with a single or double contact (normally
closed or normally open).
With 'normally closed', the contact ag is engaged with the limit switch and,
on rising pressure, disengages from the contact via the actuator attached to
the pointer.The circuit will be interrupted.
With 'normally open' the contact ag follows the pointer until the limit value
is reached. Once the limit value has been exceeded, the contact ag
engages and the circuit is closed.
The switching function of the switch is indicated by the index 1, 2, 12, 11
or 22.
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