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Operating instructions |
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Betriebsanleitung |
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Mode d'emploi |
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Manual de instrucciones |
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Differential pressure transmitter model 890.09.2190 |
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Differenzdruck-Messumformer Typ 890.09.2190 |
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Transmetteur de pression différentielle type 890.09.2190 |
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Transmisor de presión diferencial modelo 890.09.2190 |
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Model 890.09.2190
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Operating instructions model 890.09.2190 |
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3-11 |
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Betriebsanleitung Typ 890.09.2190 |
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13-21 |
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Mode d‘emploi type 890.09.2190 |
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23-31 |
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Manual de instrucciones modelo 890.09.2190 |
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33-41 |
© 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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Contents
Contents
1. |
General information |
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2. |
Safety |
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3. |
Specifications |
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4. |
Design and function |
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5. |
Transport, packaging and storage |
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6. |
Commissioning, operation |
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7. |
Maintenance |
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8. |
Dismounting, return and disposal |
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WIKA operating instructions differential pressure transmitter model 890.09.2190 |
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1.General information
1.General information
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The transmitter described in the operating instructions has been designed and |
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manufactured using state-of-the-art technology. |
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All components are subject to stringent quality and environmental criteria |
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during production.Our management systems are certified to ISO 9001 and ISO |
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14001. |
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These operating instructions contain important information on handling the |
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transmitter. Working safely requires that all safety instructions and work instruc- |
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tions are observed. |
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Observe the relevant local accident prevention regulations and general safety |
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regulations for the transmitter's range of use. |
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The operating instructions are part of the instrument and must be kept in the |
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immediate vicinity of the transmitter and readily accessible to skilled personnel |
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at any time. |
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Skilled personnel must have carefully read and understood the operating |
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instructions, prior to beginning any work. |
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The manufacturer's liability is void in the case of any damage caused by using |
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the product contrary to its intended use, non-compliance with these operating |
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instructions, assignment of insufficiently qualified skilled personnel or unauthor- |
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ised modifications to the transmitter. |
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The general terms and conditions, contained in the sales documentation, shall |
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apply. |
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Subject to technical modifications. |
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Further information: |
www.wika.de / www.wika.com |
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- Internet address:: |
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- Relevant data sheet: |
PE 81.78 |
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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 efficient and trouble-free operation.
4WIKA operating instructions differential pressure transmitter model 890.09.2190
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2.Safety
2.Safety
WARNING!
Before installation, commissioning and operation, ensure that the appropriate transmitter has been selected in terms of measuring GB range, design and specific measuring conditions.
The compatibility with the medium of the materials subjected to pressure must be checked!
In order to guarantee the measuring accuracy and long-term stability specified, the corresponding load limits must be observed.
Only work on the transmitter 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 model 890.09.2190 transmitter is used for differential pressure measurement, e.g.between flow and return in heating systems, filter plants, in technical building equipment, drinking and service water treatment, pump monitoring and control in pressure boosting and fire extinguishing systems.
The transmitter 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 qualification
WARNING!
Risk of injury should qualification be insufficient!
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 qualifications described below.
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WIKA operating instructions differential pressure transmitter model 890.09.2190 |
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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-specific regulations, current standards and direc-
GB tives, are capable of carrying out the work described and independently recognising potential hazards.
2.3 Special hazards
WARNING!
Residual media in dismounted pressure gauges may result in a risk to people, the environment and the system.Take sufficient precautionary measures.
2.4 Labelling / safety marks
Product label
Model
Year of manufacture
Explanation of symbols
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant European directives.
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3.Specifications
3.Specifications
General
Process connection |
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2 x 7/16 UNF male thread |
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Materials |
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Cu alloy - wetted |
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Pressure connections |
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Sealings |
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FPM/FKM - wetted |
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Media chamber |
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Zinc diecast - wetted |
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Sensor element |
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Ceramic Al2O3 - wetted |
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Differential pressure measuring |
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0 ... 1 bar, 0 ... 2 bar, 0 ... 4 bar, 0 ... 6 bar or |
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ranges |
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0 ... 10 bar |
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Max. working pressure (stat.) |
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21 bar |
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Overpressure safe either side |
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2.5 x end value of measuring range, max. 21 bar |
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max. |
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Pressure spikes are to be reduced through |
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Measurement time constant |
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constructive measures (e.g. capillaries) |
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Tmess = 10 ms (sensor + electronics) |
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Accuracy (error band) |
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± 2 % of span (linearity, hysteresis, temperature |
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Linearity, hysteresis |
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error 10 ... 70 °C) |
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± 1 % of span |
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Temperature coefficient |
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0.2 % of span / 10 K |
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Zero offset |
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± 0.1 mA |
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Permissible ambient temperature |
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-10 °C ... 50 °C |
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Permissible medium temperature |
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-10 °C … 80 °C |
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Ingress protection |
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IP 55 per EN 60529 / IEC 529 |
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Electrical data |
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Nominal voltage |
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DC 24 V |
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Permissible supply voltage |
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DC 18 … 30 V |
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Electrical connection |
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3-wire |
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Output signal |
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4 ... 20 mA |
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Max. load |
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500 Ohm |
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Current supply |
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approx. 32 mA normal (typical) |
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at output max. |
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at current limitation |
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approx. 36 mA (at overpressure) |
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Wiring protection |
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Short-circuit-proof, after eliminating the fault the |
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Electrical connection |
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operability is recovered |
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0.34 mm², 0.8 m to 2.5 m long |
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3-wire numbered cable |
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Connection with snap-in M8 |
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replaceable at the instrument, outer cable end |
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connector (3-pin) |
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with single wires for clamping |
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WIKA operating instructions differential pressure transmitter model 890.09.2190 |
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3.Specifications / 4.Design and function
Dimensions in mm
GB
2150258.03
For further specifications, seeWIKA data sheet PE 81.78 and the order documentation.
4.Design and function
Illustration of the principle
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Case |
2190a |
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Electronics |
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Mounting lug |
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Pressure connection |
PD890 |
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Sensor |
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4.Design and function ...6.Commissioning, operation
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Design and operating principle |
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The differential pressure transmitter has a ceramic differential pressure sensor |
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with thick film technology, which works according to the principle of aWheat- |
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stone bridge.The differential pressure deflects the ceramic diaphragm, thereby |
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changing the strain gauge signal, which is amplified to a standard current output |
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signal by the integrated electronics. The sensor is mounted between the two case |
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halves and sealed by O-rings. The sensor signal is transmitted, free of interfe- |
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rence, to the printed circuit board via flex cables.The transmitter is electrically |
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connected by means of a 3-wire cable which is led to the room for service |
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connections through a protective tube. The instrument has 2 lugs for mounting. |
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The differential pressure transmitter is both factory calibrated and temperature |
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compensated. |
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Scope of delivery |
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Cross-check scope of delivery with delivery note. |
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5.Transport, packaging and storage
5.1 Transport
Check transmitter for any damage that may have been caused by transport. Obvious damage must be reported immediately.
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: -20 ... +50 °C
6.Commissioning, operation
Mechanical connection
The transmitter is designed for mounting on flat mounting plates.For screwing it to the mounting plate, the instrument has a mounting bore
Ø 5.5 mm and an elongated hole with a width of 5.5 mm.
The IP 55 ingress protection (front panel) is only guaranteed when the supplied cable gland, with internal sealing element, and corrugated hose are used. To ensure this, the M8 connection cable is pre-assembled with the associated corrugated hose / cable gland combination, and then mounted into the built-in M8
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WIKA operating instructions differential pressure transmitter model 890.09.2190 |
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6.Commissioning, operation
connector on the instrument.
By applying slight pressure the cable snaps into the connector. Screw the cable gland to the case.Then the internal sealing of the cable gland is press-fitted to the cable.
GB When mounting the instrument, ensure that the air filter will not become clogged by dust or liquid.
Opening the case is not allowed, as this will lead to permanent instrument damage.
Process connection
When connecting the instrument, the lines must be free of pressure.
The instrument must be protected from pressure spikes by taking appropriate measures
Only for operation with suitable mediaObserve maximum pressure
Observe the permissible overpressure
The pressure connections are marked with and symbols on the instrument. For differential pressure measurements, the higher pressure should be connected to the side and the lower pressure to the side of the instrument.
Electrical connection
The electrical connection of the instrument must be carried out in accordance with both the applicable codes and standards (VDE regulations) and the local power supply company's regulations
Before connecting the instrument the plant must be electrically isolated
Safety fuses should be series-connected and sized appropriately for the power rating
The instrument has a |
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3-wire connection and its |
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electrical connection is |
4 ... 20 mA |
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detailed in the illustration. |
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Commissioning
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+3 |
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... black |
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... blue |
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DC 24 V |
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... brown |
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Before commissioning, the instrument and all electrical wiring must be properly installed. All connection lines must be run so that no mechanical forces will act on the instrument.
The pressure measuring lines should be constructed so that a sufficient gradient exists, so that, for example, no air pockets can occur when measuring liquids nor water pockets when measuring gases. If the gradient required cannot be achieved, water or air separators must be fitted at the appropriate points.
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6.Commissioning, operation ...8.Dismounting, return ...
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The pressure measuring lines must be as short as possible and should be |
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arranged without sharp radii in order to avoid any disruptive time lags. |
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Before commissioning the instrument, check the mechanical connections to |
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ensure they are leak-tight. |
7. Maintenance
The instruments are maintenance-free.
In order to ensure safe and reliable operation and a long service life for the instrument, we recommend carrying out the following tests at regular intervals: - Measurement signal test
- Leak-tightness checks at the pressure connection lines
- Electrical connection checks (clamp connection of the cables)
The testing intervals are to be adapted to the specific operating and ambient conditions. In applications where various instrument components interact, the operating instructions of all the other instruments involved must also be observed.
Repairs are only to be carried out by the manufacturer or appropriately trained skilled personnel.
8.Dismounting, return and disposal
WARNING!
Residual media in dismounted instruments can result in a risk to persons, the environment and equipment.Take sufficient precautionary measures.
9.1 Dismounting
Only disconnect the pressure gauge once the system has been depressurised!
9.2 Return
All defective or faulty instruments must be sent directly to our repair department.
9.3 Disposal
Incorrect disposal can put the environment at risk.
Dispose of instrument components and packaging materials in an environmentally compatible way and in accordance with the country-specific waste disposal regulations.
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WIKA operating instructions differential pressure transmitter model 890.09.2190 |
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GB
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Inhalt
Inhalt
1. |
Allgemeines |
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2. |
Sicherheit |
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3. |
Technische Daten |
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4. |
Aufbau und Funktion |
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5. |
Transport, Verpackung und Lagerung |
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6. |
Inbetriebnahme, Betrieb |
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7. |
Wartung |
21 |
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8. |
Demontage, Rücksendung und Entsorgung |
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WIKA Betriebsanleitung Differenzdruck-MessumformerTyp 890.09.2190 |
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1.Allgemeines
1.Allgemeines
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Der in der Betriebsanleitung beschriebene Messumformer wird nach den |
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neuesten Erkenntnissen konstruiert und gefertigt. |
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Alle Komponenten unterliegen während der Fertigung strengen Qualitäts- |
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und Umweltkriterien.Unsere Managementsysteme sind nach ISO 9001 und |
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ISO 14001 zertifiziert. |
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Diese Betriebsanleitung gibt wichtige Hinweise zum Umgang mit dem |
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Messumformer. Voraussetzung für sicheres Arbeiten ist die Einhaltung aller |
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angegebenen Sicherheitshinweise und Handlungsanweisungen. |
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Die für den Einsatzbereich des Messumformers geltenden örtlichen Unfallver- |
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hütungsvorschriften und allgemeinen Sicherheitsbestimmungen einhalten. |
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Die Betriebsanleitung ist Produktbestandteil und muss in unmittelbarer Nähe |
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des Messumformers für das Fachpersonal jederzeit zugänglich aufbewahrt |
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werden. |
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Das Fachpersonal muss die Betriebsanleitung vor Beginn aller Arbeiten |
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sorgfältig durchgelesen und verstanden haben. |
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Die Haftung des Herstellers erlischt bei Schäden durch bestimmungswidrige |
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Verwendung, Nichtbeachten dieser Betriebsanleitung, Einsatz ungenügend |
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qualifizierten Fachpersonals sowie eigenmächtigerVeränderung am Messum- |
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former. |
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Es gelten die allgemeinen Geschäftsbedingungen in den Verkaufsunterlagen. |
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Technische Änderungen vorbehalten. |
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Weitere Informationen: |
www.wika.de / www.wika.com |
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- Internet-Adresse: |
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- zugehöriges Datenblatt: |
PE 81.78 |
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Symbolerklärung |
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WARNUNG! |
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… weist auf eine möglicherweise gefährliche Situation hin, die |
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zum Tod oder zu schweren Verletzungen führen kann, wenn sie |
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nicht gemieden wird. |
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Information |
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… hebt nützliche Tipps und Empfehlungen sowie Informationen |
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für einen effizienten und störungsfreien Betrieb hervor. |
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WIKA Betriebsanleitung Differenzdruck-MessumformerTyp 890.09.2190 |
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