WIKA OT-1 User manual
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
GB
D
F
E
OEM pressure transmitters, model OT-1
OEM pressure transmitter, model OT-1
OEM-Druckmessumformer, Typ OT-1
Transmetteur de pression OEM, type OT-1
Transmisor de presión OEM, modelo OT-1
2 WIKA operating instructions OEM pressure transmitter, model OT-1
GB
D
2127027.02 09/2013 GB/D/F/E
F
E
© 2006 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 OT-1 Page 3 - 16
Betriebsanleitung Typ OT-1 Seite 17 - 30
Mode d’emploi type OT-1 Page 31 - 44
Manual de instrucciones modelo OT-1 Página 45 - 57
3WIKA operating instructions OEM pressure transmitter, model OT-1
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Contents
Contents
1. General information 4
2. Safety 5
3. Specications 7
4. Design and function 8
5. Transport, packaging and storage 9
6. Commissioning, operation 9
7. Maintenance and cleaning 12
8. Faults 13
9. Dismounting, return and disposal 14
Appendix 1: EC Declaration of conformity model OT-1 15
Declarations of conformity can be found online at www.wika.com
4 WIKA operating instructions OEM pressure transmitter, model OT-1
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1. General information
1. General information
■
The pressure transmitter 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.com / www.wika.de
- Relevant data sheet: PE 81.42
- Application consultant: Tel.: +49 9372 132-8976
Fax: +49 9372 132-8008976
5WIKA operating instructions OEM pressure transmitter, model OT-1
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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.
CAUTION!
... indicates a potentially dangerous situation that can result in light injuries or damage to equipment or the
environment, 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 transmitter has been
selected in terms of measuring range, design and specic measuring conditions.
Non-observance can result in serious injury and/or damage to the equipment.
WARNING!
■
Open the connections only after the system has been depressurised.
■
Observe the working conditions in accordance with chapter 3 “Specications”.
■
Always operate the pressure transmitter within the overpressure safety range.
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 instrument has been designed and built solely for the intended use described here, and may only be used
accordingly.
6 WIKA operating instructions OEM pressure transmitter, model OT-1
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2. Safety
The technical specications contained in these operating instructions must be observed. Improper handling or opera-
tion of the instrument outside of its technical specications requires the instrument to be taken out of service immedi-
ately 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.
2.2 Personnelqualication
WARNING!
Riskofinjuryshouldqualicationbeinsucient!
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.
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.
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 pressure transmitters can result in a risk to persons, the environment and
equipment.
Take sucient precautionary measures.
7WIKA operating instructions OEM pressure transmitter, model OT-1
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2.Safety/3.Specications
2.4 Labelling, safety marking
Product label
If the serial number becomes illegible 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.
3. Specications
Specications
Measuring range [bar] 6 10 16 25 40 60 100 160 250 400 600
Overpressure limit [bar] 20 20 32 50 80 120 200 320 500 800 1,200
Burst pressure [bar] 100 100 160 250 400 550 800 1,000 1,200 1,700 2,400
Output signals and power supply Output signal Power supply U+
4 ... 20 mA, 2-wire DC 8 ... 36 V
DC 1 ... 6 V, 3-wire DC 9 ... 36 V
DC 1 ... 5 V, 3-wire DC 8 ... 36 V
DC 0 ... 10 V, 3-wire DC 14 ... 36 V
DC 0.5 ... 4.5 V, ratiometric DC 5 ± 0.5 V
Insulation voltage DC 500 V
Ingress protection IP 67, using mating connectors with the corresponding ingress protection
Product no.
Customer-specic text
ID (production batch)
8 WIKA operating instructions OEM pressure transmitter, model OT-1
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3.Specications/4.Designandfunction
Specications
Permissible temperature ranges
■
Medium -40 ... +125 °C
■
Ambient -40 ... +100 °C, for cable outlet a limited temperature range of -40 ... +90 °C applies
■
Storage -40 ... +120 °C, for cable outlet a limited temperature range of -40 ... +90 °C applies
Rated temperature range 0 ... +80 °C
CE conformity
■
Pressure equipment directive 97/23/EC
■
EMC directive
2004/108/EC, EN 61326 emission (group 1, class B) and interference immunity (industrial application)
Weight approx. 70 g
For special model numbers, e.g. OT-10000, please note the specications stated on the delivery note.
For further specications see WIKA data sheet PE 81.42 and the order documentation.
4. Design and function
4.1 Description
The prevailing pressure is measured at the sensor element through the deformation of a diaphragm. By supplying
power, this deformation of the diaphragm is converted into an electrical signal.The output signal from the pressure
transmitter is amplied and standardised.
4.2 Scope of delivery
Cross-check scope of delivery with delivery note.
9WIKA operating instructions OEM pressure transmitter, model OT-1
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5. Transport, packaging and storage / 6. Commissioning, operation
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.
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: -40 ... +120 °C, for cable outlet a limited temperature range of -40 ... +90 °C applies
WARNING!
Before storing the instrument (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.
6. Commissioning, operation
CAUTION!
Prior to commissioning, the pressure transmitter must be subjected to a visual inspection.
■
Leaking uid is indicative of damage.
■
Only use the pressure transmitter if it is in perfect condition with respect to safety.
CAUTION!
The pressure transmitter must not be exposed to any condensation.
10 WIKA operating instructions OEM pressure transmitter, model OT-1
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6. Commissioning, operation
Correct sealing of the process connections with parallel
threads at the sealing face must be made using suita-
ble at gaskets, sealing rings or WIKA prole sealings.
For sealing process connections with tapered threads,
the sealing must be made in the threads using additional
sealing material, e.g. PTFE tape (EN 837-2).
6.1 Mechanical mounting
■
The sealing faces at the instrument have to be undamaged and clean.
■
When screwing the instrument in, the force required to do this must not be
applied through the case, but only through the spanner ats provided for this
purpose, and using a suitable tool.
■
When screwing in, do not cross the threads.
For information on tapped holes and welding sockets, see Technical
information IN 00.14 at www.wika.com.
Sealing the process connection
For further information on seals see WIKA data sheet AC 09.08 or at www.wika.com.
Spanner ats
per EN 837 per DIN 3852-E NPT, R and PT
Parallel threads Tapered threads
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