WIKA MG-1 Mode d'emploi

Taper
Mode d'emploi
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
操作说明
GB
D
F
E
CN
Pressure transmitter model MG-1
Pressure transmitter model MG-1
Druckmessumformer Typ MG-1
Transmetteur de pression type MG-1
Transmisor de presión modelo MG-1
MG-1 型压力变送器
2 WIKA operating instructions pressure transmitter, model MG-1
GB
D
MM/YYYY country code based on 11609681.02 03/2013 GB/D/F/E
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CN
© 2011 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 posterior!
开始工作之前,请仔细阅读本操作说明!保留以便后用!
Operating instructions model MG-1 Page 3 - 20
Betriebsanleitung Typ MG-1 Seite 25 - 46
Mode d'emploi type MG-1 Page 47 - 68
Manual de instrucciones modelo MG-1 Página 69 - 89
操作说明, MG-1 页码
91 - 112
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1. General information 4
2. Safety 6
3. Specications 9
4. Design and function 11
5. Transport, packaging and storage 12
6. Commissioning, operation 13
7. Maintenance and cleaning 16
8. Faults 17
9. Dismounting, return and disposal 18
Appendix 1: EC Declaration of conformity for model MG-1 20
Appendix 2: BAM test report for model MG-1 21
Contents
Contents
Declarations of conformity can be found online at www.wika.com.
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1. General information
1. General information
The pressure transmitter described in the operating instructions has been designed and
manufactured by state-of-the-art 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.
These operating instructions contain important information on handling the pressure
transmitter. 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 transmitter's range of use.
The operating instructions are part of the product and must be kept in the immediate vicinity of
the pressure transmitter 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 insuciently qualied skilled personnel or unauthorised modications to the pressure
transmitter.
The general terms and conditions contained in the sales documentation shall apply.
Subject to technical modications.
Further information:
- Internet address: www.wika.com
- Relevant data sheet: PE 81.44
- Application consultant: Tel.: (+49) 9372/132-8976
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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, which 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.
CAUTION!
... indicates a potentially dangerous situation that can result in burns, caused by hot
surfaces or liquids, if not avoided.
Abbreviations
2-wire Two of the connection lines are used for the power supply.
The measurement signal also provides the supply current.
3-wire Two of the connection lines are used for the power supply.
One connection line is used for the measurement signal.
U
B
Positive power terminal
0V Negative power terminal
S
+
Positive measurement terminal
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2. Safety
2. Safety
WARNING!
Before installation, commissioning and operation, ensure that the appropriate
pressure transmitter has been selected in terms of measuring range, design and
specic measuring conditions.
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
The pressure transmitter is used to convert pressure into an electrical signal.
The pressure transmitter 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 pressure transmitter outside of its technical specications requires
the instrument to be taken out of service immediately and inspected by an authorised WIKA
service engineer.
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.
Skilled personnel
Skilled personnel are understood to be personnel who, based on their technical training, knowl-
edge 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 independently recognising potential hazards.
Special operating conditions require further appropriate knowledge, e.g. of aggressive media.
2.3 Special hazards
WARNING!
For hazardous media such as oxygen, acetylene, ammable 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.
WARNING!
Residual media in dismounted instruments can result in a risk to persons, the environ-
ment and equipment.
Take sucient precautionary measures.
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2. Safety
2.4 Labelling / safety marks
Product label
If the serial number becomes illegible (e.g. due to mechanical damage or overpainting),
traceability will no longer be possible.
Explanation of symbols
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant European directives.
Voltage DC
Output signal
Pin assignment
Power supply
P# Product No.
S# Serial No.
Model
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Specications Model MG-1
Measuring range bar 6 10 16 200 300 400
Overpressure safety bar 20 20 32 500 800 800
Burst pressure bar 25 25 160 1200 1700 1700
Measuring range psi 100 150 200 3000 4000 5000
Overpressure safety psi 290 290 460 7200 11000 11000
Burst pressure psi 1450 1450 2300 17000 24000 24000
MPa, kPa and kg/cm² available; -1/0 bar or -30/0 inHg upon request
Level of cleanliness Measuring range < 30 bar/435 psi Measuring range > 30 bar/435 psi
Breathing gas free from oil and grease free from oil and grease
- Residual hydrocarbons mg/m² < 1000 < 1000
Medical standard per ISO 15001 per ISO 15001
- Residual hydrocarbons mg/m² < 550 < 220
- Particle size µm not applicable on request
Industrial standard Free from oil and grease
for oxygen per ASTM Level D/E
and DIN 19247
Free from oil and grease
for oxygen per ASTM Level D/E
and DIN 19247
- Residual hydrocarbons mg/m² < 550 < 220
High industrial standard Free from oil and grease for
oxygen per ASTM Level C
Free from oil and grease for
oxygen per ASTM Level C
- Residual hydrocarbons mg/m² < 66 < 66
Materials
Process connection 316L and 13-8 PH
Case 316L
Electrical connection Highly resistant glass-bre reinforced plastic (PBT GF30)
3. Specications
3. Specications
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Specications Model MG-1
Output Output signal Power supply U
B
Max. resistive load R
A
4 ... 20 mA, 2-wire DC 8 ... 30 V R
A
≤ (U
B
– 7 V) / 0.02 A
0 ... 10 V, 3-wire DC 14 ... 30 V R
A
> 10 kΩ
0 ... 5 V, 3-wire DC 8 ... 30 V R
A
> 5 kΩ
1 ... 5 V, 3-wire DC 8 ... 30 V R
A
> 5 kΩ
0.5…4.5 V ratiometric DC 5 V ± 5 % R
A
> 4.5 kΩ
Operating current mA max. 10
Settling time ms ≤ 2
Non-linearity % of span ≤ ±0.5 (BFSL) per IEC 61298-2
Accuracy % of span ≤ ±2
1)
Long-term stability % of span ≤ ±0.3 / year
Reference conditions
Temperature °C 15 ... 25
Humidity % 15 … 95 non-condensing
Ambient pressure mmHg 500 … 800
Permissible temperature ranges
Operation -20 ... +70 °C -4 ... +158 °F
Storage -25 ... +80 °C -13 ... +176 °F
Temperature error in
operating temperature range
% of span ≤ ±2.0
CE conformity
Pressure equipment directive 97/23/EC
EMC directive 2004/108/EC, EN 61326 Emission (Group 1, Class B) and
Immunity (industrial locations)
3. Specications
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Specications Model MG-1
Shock resistance g 40 (6 ms) per IEC 60068-2-27 (mechanical shock)
Vibration resistance g 20 (20 ... 2000 Hz, 120 min.) per IEC 60068-2-6
(Vibration under resonance)
Reverse polarity protection U
B
vs. 0V
Short-circuit resistance S
+
vs. 0V
Weight kg approx. 0.08
1) Including non-linearity, hysteresis, zero-point and full scale value deviations (corresponds to measuring error per IEC 61298-2).
Calibrated in vertical mounting position with process connection facing downwards.
3. Specications / 4. Design and function
For special model numbers, e. g. MG-10000, please note the specications stated on the
delivery note.
For further specications, see WIKA data sheet PE 81.44 and the order documentation.
When designing the system, please note that the values given (e.g. burst pressure,
overpressure safety) are dependent upon the material, thread and gasket used.
4. Design and function
4.1 Description
By means of a sensor element and by applying power, the prevailing pressure is converted into an
amplied standardised electrical signal via the deformation of a membrane. This electrical signal
varies in proportion to the pressure and can be evaluated accordingly.
4.2 Scope of delivery
Cross-check scope of delivery with delivery note.
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5. Transport, packaging and storage
5. Transport, packaging and storage
5.1 Transport
Check the pressure transmitter for any damage that may have been caused during transportation.
Obvious damage must be reported immediately.
A recieved-goods inspection determines the purity of the pressure transmitter. It is only
guaranteed if the packaging is undamaged or unopened.
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: -25 ... +80 °C
Humidity: 15 ... 95 % (no condensation)
Only ever store the pressure transmitter in its original packaging.
WARNING!
Before storing the pressure transmitter (following operation), remove any residual
media. This is of particular importance if the medium is hazardous to health,
e.g. caustic, toxic, carcinogenic, radioactive, etc.
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6. Commissioning, operation
6. Commissioning, operation
Required tool: SW 24 open-ended spanner
WARNING!
Prior to commissioning, the pressure transmitter must be subjected to a visual
inspection.
Only use the pressure transmitter if it is in perfect condition with respect to safety.
Making the mechanical connection
To ensure that the wetted parts do not get soiled, the protection
cap should not be removed until immediately prior to mounting.
Use only BAM-certied gaskets.
During mounting, make sure that the sealing faces at the pressure
transmitter and the measuring point are clean and undamaged.
Only ever screw in, or unscrew, the pressure transmitter to the
prescribed torque via the spanner-ats, and using tools which are
appropriate and clean for use with oxygen.
The correct torque depends on the dimensions of the process
connection and the gasket used (form/material). When screwing
in or unscrewing the pressure transmitter, do not use the housing or plug for purchase.
When screwing in, do not cross the threads.
Only lubricate thread with materials approved for use with oxygen.
For information on tapped holes and welding sockets, please refer to our Technical Information
IN 00.14 at www.wika.com.
max.
20 Nm
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6. Commissioning, operation
Making the electrical connection
Ground the pressure transmitter via the process connection.
This is Protection Class 3 equipment for connection at low voltages, which are separated from
the power supply or voltage by greater than AC 50 V or DC 120 V. Preferably, a connection
to an SELV or PELV circuit is recommended; alternatively protective measures from
HD 60346-4-41 (DIN VDE 0100-410).
Option for North America: The connection can be made in line with "Class 2 Circuits"
or "Class 2 Power Units" in accordance with CEC (Canadian Electrical Code) or
NEC (National Electrical Code).
Select a cable diameter that matches the cable gland of the plug. Make sure that the cable
gland of the mounted plug has a tight t. To guarantee the ingress protection, tighten the gland.
For cable outlets, make sure that no moisture enters at the cable end.
Types of sealing
per EN 837
per DIN 3852-E
NPT, R and PT
Self-sealing thread typ
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Electrical connection
Circular connector
M12 x 1, 4-pin
Cable outlet
2 m
Shielded cable outlet
2 m
2-wire U
B
= 1 0V = 3 U
B
= brown 0V = green U
B
= brown 0V = blue
3-wire U
B
= 1 0V = 3 S
+
= 4 U
B
= brown 0V = green S
+
= white U
B
= brown 0V = blue S
+
= black
Wire cross-section
- 3 x 0.14 mm
2
3 x 0.14 mm
2
Cable diameter - 3.6 mm 4.3 mm
Ingress protection
per IEC 60529
IP 67 IP 67 IP 67
The stated ingress protection only applies when plugged-in using line connectors that have
the appropriate ingress protection.
6. Commissioning, operation
Functional check
The output signal must be proportional to the prevailing pressure. If this is not the
case, this may indicate a damaged membrane. In this case, see chapter "8. Faults".
WARNING!
Only open the connections once the system has been depressurised
Observe the working conditions in accordance with chapter "3. Specications".
Always operate the pressure transmitter within the overpressure safety range.
CAUTION!
When touching the pressure transmitter, please note that the surfaces of the device
components can become hot during operation.
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7. Maintenance and cleaning
7. Maintenance and cleaning
7.1 Maintenance
This pressure transmitter is maintenance-free.
Repairs must only be carried out by the manufacturer.
When performing maintenance work, the purity requirements of the applicable standards must be
observed.
7.2 Cleaning
CAUTION!
Before cleaning, correctly disconnect the pressure transmitter from the
pressure supply, switch it o and disconnect it from the mains.
Clean the pressure transmitter with a moist cloth.
Wash or clean the dismounted pressure transmitter before returning it in order to
protect personnel and the environment from exposure to residual media.
Residual media in dismounted pressure transmitters can result in a risk to
persons, the environment and equipment. Take sucient precautionary measures.
Do not use any pointed or hard objects for cleaning, as they may damage the
membrane of the process connection.
For information on returning the pressure transmitter see chapter "9.2 Return".
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Faults Causes Measures
No output signal Cable break Check the through drilling
Deviating zero point signal Overpressure safety exceeded Observe the permissible overpressure
safety (see chapter "3. Specications")
Deviating zero point signal Operating temperature too high/
low
Observe the permissible temperatures
(see Chapter "3. Specications")
Constant output signal upon
change in pressure
Mechanical overload caused by
overpressure
Replace pressure transmitter; if it fails
repeatedly, contact the manufacturer
Signal span too small Mechanical overload caused by
overpressure
Replace pressure transmitter; if it fails
repeatedly, contact the manufacturer
Signal span varies EMC interference sources in
the environment; for example,
frequency converter
Shield the pressure transmitter;
Cable shielding; remove source of interfe-
rence
Signal span varies/inaccurate Operating temperature too high/
low
Observe the permissible temperatures
(see chapter "3. Specications")
Signal span drops/too small Signal span drops/too small Contact manufacturer and replace pressure
transmitter
If complaint is unjustied, we will charge you the complaint processing fees
8. Faults
8. Faults
WARNING!
Open the connections only after the system has been depressurised!
First check whether the system is under pressure and whether the correct power supply and
correct wiring type (2-wire/3-wire) has been selected.
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8. Faults / 9. Dismounting, return and disposal
CAUTION!
If deciencies cannot be eliminated by means of the measures listed above, shut
down the instrument immediately, and ensure that pressure and/or signal are no
longer present, and secure the instrument from being put back into operation
inadvertently. In this case, contact the manufacturer. If a return is needed, please
follow the instructions given in chapter "9.2 Return".
9. Dismounting, return and disposal
WARNING!
Residual media in dismounted pressure transmitters can result in a risk to persons,
the environment and equipment.
Take sucient precautionary measures.
9.1 Dismounting
WARNING!
Only disconnect the pressure transmitter once the system has been
depressurised!
9.2 Return
WARNING!
Absolutely observe when shipping the pressure transmitter:
All pressure transmitters delivered to WIKA must be free from any kind of
hazardous substances (acids, leachate, solutions, etc.).
When returning the pressure transmitter, use the original packaging or a suitable transport
package.
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Enclose the completed returns form with the pressure transmitter.
Information on returns can be found under the heading "Service" on our local website.
9.3 Disposal
Incorrect disposal may endanger the environment.
Dispose of instrument components and packaging materials in an environmentally compatible
way and in accordance with the country-specic waste disposal regulations.
9. Dismounting, return and disposal
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Appendix 1: EC Declaration of Conformity for model MG-1
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WIKA MG-1 Mode d'emploi

Taper
Mode d'emploi