WIKA S-20 Bedienungsanleitung

Operating instructions

Betriebsanleitung

Mode d'emploi

Manual de instrucciones

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

14043170.05 08/2018 EN/DE/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

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

Contents

Declarations of conformity can be found online at www.wika.com.

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

14043170.05 08/2018 EN/DE/FR/ES

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 certied 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 insuciently qualied skilled personnel or

unauthorised modications to the instrument.

■

The general terms and conditions contained in the sales documentation shall apply.

■

Subject to technical modications.

■

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

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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 ecient 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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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.

WARNING!

■

Open the connections only after the system has been depressurised.

■

Observe the working conditions in accordance with chapter 3 "Specications".

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 foodstus 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 specications contained in these operating instructions must be observed. Improper handling or opera-

tion 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.

2. Safety

7WIKA operating instructions pressure transmitter, model S-20

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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, knowledge 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 pressure transmitters can result in a risk to persons, the environment and

equipment.

Take sucient precautionary measures.

2. Safety

8WIKA operating instructions pressure transmitter, model S-20

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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.Specications

3. Specications

Specications

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 oset 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.Specications

Specications

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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