WIKA S-20 Manuale utente
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
EN
DE
FR
ES
Pressure transmitter model S-20
Druckmessumformer, Typ S-20
Pressure transmitter, model S-20
Transmisor de presión, modelo S-20
Transmetteur de pression, type S-20
2WIKA operating instructions pressure transmitter, model S-20
EN
DE
14043170.05 08/2018 EN/DE/FR/ES
FR
ES
Operating instructions model S-20 Page 3 - 24
Betriebsanleitung Typ S-20 Seite 25 - 46
Mode d'emploi type S-20 Page 47 - 68
Manual de instrucciones modelo S-20 Página 69 - 91
© 04/2013 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!
3WIKA operating instructions pressure transmitter, model S-20
14043170.05 08/2018 EN/DE/FR/ES
EN
Contents
Contents
Declarations of conformity can be found online at www.wika.com.
4
6
9
15
15
17
20
21
22
1. Inhalt
2. General information
3. Safety
4. Specifications
5. Design and function
6. Transport, packaging and storage
7. Commissioning, operation
8. Zero point adjustment
9. Maintenance and cleaning
10. Faults
11. Dismounting, return and disposal 23
4WIKA operating instructions pressure transmitter, model S-20
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EN
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 event 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: PE 81.61
- Application consultant: Tel.: +49 9372 132-0
Fax: +49 9372 132-406
info@wika.de
5WIKA operating instructions pressure transmitter, model S-20
14043170.05 08/2018 EN/DE/FR/ES
EN
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 the equipment or
the environment, if not avoided.
Information
... points out useful tips, recommendations and information for ecient and trouble-free operation.
WARNING!
... indicates a potentially dangerous situation that can result in burns, caused by hot surfaces or liquids, if
not avoided.
Abbreviations
2-wire The two connection lines are used for the voltage supply.
The measurement signal also provides the supply current.
3-wire Two connection lines are used for the power supply.
One connection line is used for the measurement signal.
U+Positive power supply terminal
U- Negative power supply terminal
S+Positive output terminal
1. General information
6WIKA operating instructions pressure transmitter, model S-20
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EN
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".
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.
With hydrogen applications, use is only permitted when a medium and ambient temperature of 30 °C
is not exceeded.
For applications with direct contact with foodstus this pressure transmitter is not suitable.
The instrument has been designed and built solely for the intended use described here, and may only be used
accordingly.
The technical specications contained in these operating instructions must be observed. Improper handling or opera-
tion of the pressure transmitter outside of its technical specications 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.
2. Safety
7WIKA operating instructions pressure transmitter, model S-20
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EN
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.
2. Safety
8WIKA operating instructions pressure transmitter, model S-20
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EN
If the serial number becomes illegible due to mechanical damage or overpainting, traceability will no longer be
possible.
Before mounting and commissioning the instrument, ensure you read the operating instructions!
2. Safety
2.4 Labelling / safety marks
Product label
P# product number Measuring range
S# serial number Approvals
Power supply Coded manufacturing date
Output signal Pin assignment
9WIKA operating instructions pressure transmitter, model S-20
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3.Specications
3. Specications
Specications
Measuring range See product label or test report
Vacuum tightness Yes
Reference conditions Per IEC 61298-1
■
Temperature 15 ... 25 °C (59 ... 77 °F)
■
Atmospheric pressure 860 ... 1,060 mbar (12.5 ... 15.4 psi)
■
Humidity 45 ... 75 % r. h.
■
Power supply DC 24 V, DC 5 V with ratiometric output
■
Mounting position Calibrated in vertical mounting position with pressure connection facing downwards.
Output signal See product label or test report
Permissible load in Ω
■
Current output ≤ (power supply - 7.5 V) / 0.023 A
■
With optional settling time of 1 ms ≤ (power supply - 11.5 V) / 0.023 A
■
Voltage output > maximum output voltage / 1 mA
■
Ratiometric output > 4.5k
Switch-on time 150 ms
Switch-on drift 5 s (60 s with optional zero point adjustment 0.1 %)
Voltage supply See product label or test report
Dissipation loss
■
Current output 828 mW (22 mW/K derating of the dissipation loss with ambient temperatures ≥ 100 °C (212
°F))
■
Voltage output 432 mW
Current supply External circuits connected to the electrical outputs of the pressure transmitter must be
energy-limited electrical circuits in accordance with section 9.4 of UL/EN/IEC 61010-1, or an
LPS to UL/EN/IEC 60950-1, or class 2 in accordance with UL1310/UL1585 (NEC or CEC).
External circuits must be suitable for operation above 2,000 m should the pressure transmit-
ter be used at this altitude.
■
Current output Current signal, max. 25 mA
■
Voltage output Max. 12 mA
Non-linearity (per IEC 61298-2) See test report
Relationship to the mounting position For measuring ranges < 1 bar (15 psi), an additional zero oset of up to 0.15 % applies
Non-repeatability ≤ ±0.1 % of span
10 WIKA operating instructions pressure transmitter, model S-20
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3.Specications
Specications
Temperature hysteresis 0.1 % of span at > 80 °C (176 °F)
Long-term drift (per IEC 61298-2) ≤ ±0.1 % of span
≤ ±0.2 % of span (with special measuring ranges and measuring ranges < 1 bar (15 psi))
Temperature error For calibration temperature 15 ... 25 °C (59 ... 77°F)
-20 ... +80 °C: ≤1 % of span
-30 ... +100 °C: ≤1.5 % of span
For measuring ranges < 1 bar (15 psi), special measuring ranges and instruments with an
increased overpressure limit the respective temperature error increases by 0.5 % of span
Derating for cooling elements
■
Max. permissible ambient tempera-
ture
Tamb (Tmed < 125 °C) = 125 °C
Tamb (Tmed ≥ 125 °C) = -0.62 x Tmed + 202 °C
■
Max. permissible medium tempera-
ture
Tmed (Tamb < 80 °C) = 200 °C
Tmed (Tamb ≥ 80 °C) = -1.61 x Tamb + 326 °C
Tamb = Ambient temperature [°C]
Tmed = Medium temperature [°C]
Storage and transport conditions
■
Permissible temperature range -40 ... +70 °C (-40 ... +158 °F)
■
Maximum humidity (per IEC
68-2-78)
67 % r. h. at 40 °C (104 °F) (in accordance with 4K4H per EN 60721-3-4)
Climate class For indoor and outdoor use. Protect the instrument from direct sunlight.
■
Storage 1K3 (per EN 60721-3-1)
■
Transport 2K3 (per EN 60721-3-2)
■
Operation 4K4H (per EN 60721-3-4, without condensation or icing)
Vibration resistance (per IEC 68-2-6) 20 g, 10 ... 2,000 Hz (40 g, 10 ... 2,000 Hz for circular connector M12 x 1, metallic)
For instruments with cooling elements a limited vibration resistance of 10 g, 10 ... 2,000 Hz,
applies.
Continuous vibration resistance (per
IEC 68-2-6)
10 g
Shock resistance (per IEC 68-2-27) 100 g, 6 ms (500 g, 1 ms for heavy-duty connector)
Service life 100 million load cycles (10 million load cycles for measuring ranges > 600 bar/7,500 psi)
Free-fall test (following IEC 60721-3-2)
■
Individual packaging 1.5 m (5 ft)
■
Multiple packaging 0.5 m (1.6 ft)
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