WIKA 712.15.100 Manual de usuario

Example: Model 712.15.100 with transmitter and compact valve

manifold with working pressure indication

Cryo Gauge

Dierential pressure gauge, models 712.15.100, 732.15.100,

optional for hazardous areas

Dierenzdruckmanometer, Typen 712.15.100, 732.15.100,

optional für explosionsgefährdete Bereiche

Manomètre diérentiel, types 712.15.100, 732.15.100,

en option pour zones explosives

Manómetro de presión diferencial, modelos 712.15.100, 732.15.100,

opcional para zonas potencialmente explosivas

Dierential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas

11592011.07 04/2020 EN/DE/FR/ES

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 for models 712.15.100, 732.15.100,

optional for hazardous areas

Page 3- 28

Betriebsanleitung für Typen 712.15.100, 732.15.100,

optional für explosionsgefährdete Bereiche

Seite 29 - 54

Mode d‘emploi pour les types 712.15.100, 732.15.100,

en option pour zones explosives

Page 55 - 80

Manual de instrucciones para modelos 712.15.100,

732.15.100, opcional para zonas potencialmente explosivas

Página 81 - 106

Dierential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas

11592011.07 04/2020 EN/DE/FR/ES

Contents

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

1. General information 4

2. Safety 5

2.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . 5

2.2 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Improper use. . . . . . . . . . . . . . . . . . . . . . . . . 6

2.4 Responsibility of the operator . . . . . . . . . . . . . . . . . . . 6

2.5 Personnel qualification . . . . . . . . . . . . . . . . . . . . . 7

2.6 Labelling, safety marks . . . . . . . . . . . . . . . . . . . . . 7

2.7 Ex version. . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.8 Special conditions for safe use (X conditions). . . . . . . . . . . . . . 9

3. Transport, packaging and storage 9

3.1 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.2 Packaging and storage . . . . . . . . . . . . . . . . . . . . . 10

4. Commissioning, operation 10

4.1 Mechanical mounting . . . . . . . . . . . . . . . . . . . . . . 11

4.2 Differential pressure display. . . . . . . . . . . . . . . . . . . . 13

4.3 Pressure gauge with working pressure indication (option) . . . . . . . . . 15

4.4 Electrical connection . . . . . . . . . . . . . . . . . . . . . . 16

4.5 Integrated transmitter electronics (option) . . . . . . . . . . . . . . . 20

5. Faults 23

6. Maintenance and cleaning 24

6.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.2 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 24

7. Dismounting, return and disposal 25

7.1 Dismounting . . . . . . . . . . . . . . . . . . . . . . . . . 25

7.2 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

7.3 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . 26

8. Specications 27

8.1 Permissible temperature ranges . . . . . . . . . . . . . . . . . . 27

8.2 Differential pressure gauge . . . . . . . . . . . . . . . . . . . . 27

8.3 Integrated transmitter electronics (option) . . . . . . . . . . . . . . . 28

Annex: EU declaration of conformity 107

11592011.07 04/2020 EN/DE/FR/ES

Dierential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas

1. General information

■The instrument described in the operating instructions has been designed and manufac-

tured 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 vicini-

ty 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 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

- EN 837-2 Selection and installation recommendations for pressure

measuring instruments

Model Ex version Description Data

sheet

712.15.100,

732.15.100

Option Dierential pressure gauge PM 07.29

891.44 No Integrated transmitter electronics (option) PM 07.29

892.44 Yes Integrated transmitter electronics (option) PM 07.29

828 No Magnetic snap-action contact (option) PM 07.29

212.20.100 No Pressure gauge for working pressure indication (option) PM 02.01

232.50.063,

232.50.100

Option Pressure gauge for working pressure indication (option) PM 02.02

232.30.100 Option Pressure gauge for working pressure indication (option) PM 02.04

A-10 No Pressure sensor for working pressure (option) PE 81.60

IS-3 Yes Pressure sensor for working pressure (option) PE 81.58

Depending on the version, observe the additionally enclosed operating instructions!

1. General information

Dierential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas

11592011.07 04/2020 EN/DE/FR/ES

2. Safety

2.1 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 property or the environment, if not avoided.

DANGER!

... identies hazards caused by electrical power. Should the safety instructions not

be observed, there is a risk of serious or fatal injury.

WARNING!

... indicates a potentially dangerous situation in the hazardous area that results in

serious injury or death, if not avoided.

WARNING!

... indicates a potentially dangerous situation that can result in burns, caused by hot

surfaces or liquids, if not avoided.

Information

... points out useful tips, recommendations and information for ecient and trouble-

free operation.

2.2 Intended use

Mechanical dierential pressure measuring instruments are used for the display of levels on

closed vessels, particularly in cryotechnology. Depending on the version, integrated trans-

mitter electronics can be used to output an electrical output signal for control. An optionally

mounted valve manifold facilitates commissioning and maintenance of the instrument. Optio-

nally, the working pressure can be measured additionally with a pressure gauge or a pressure

sensor.

The instrument oers many application possibilities, in particular for gaseous and liquid

gases, and also for media that are non-aggressive, not highly viscous and non-crystallising.

Only use the instrument in applications that lie within its technical performance limits (e.g.

temperature limits, material compatibility, ...).

→ For performance limits see chapter 8 “Specications”

2. Safety

11592011.07 04/2020 EN/DE/FR/ES

Dierential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas

2. Safety

The instrument 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.

2.3 Improper use

WARNING!

Injuries through improper use

Improper use of the instrument can lead to hazardous situations and injuries.

▶Refrain from unauthorised modications to the instrument.

▶Do not use the instrument with abrasive or viscous media.

Any use beyond or dierent to the intended use is considered as improper use.

2.4 Responsibility of the operator

The instrument is used in the industrial sector.The operator is therefore responsible for legal

obligations regarding safety at work.

The safety instructions within these operating instructions, as well as the safety, accident

prevention and environmental protection regulations for the application area must be maintai-

ned.

The operator is obliged to maintain the product label in a legible condition.

To ensure safe working on the instrument, the operating company must ensure

■that suitable rst-aid equipment is available and aid is provided whenever required.

■that the operating personnel are regularly instructed in all topics regarding work safety, rst

aid and environmental protection and know the operating instructions and in particular, the

safety instructions contained therein.

■that the instrument is suitable for the particular application in accordance with its intended

use.

■that personal protective equipment is available.

On the wetted parts of the instrument, small residual amounts of the adjustment

medium (e.g. compressed air, water, oil) can adhere from production.With incre-

ased requirements for technical cleanliness, suitability for the application must be

checked by the operator before commissioning.

Dierential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas

11592011.07 04/2020 EN/DE/FR/ES

2. Safety

2.5 Personnel qualification

WARNING!

Risk of injury should qualication be insucient!

Improper handling can result in considerable injury and damage to property.

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.

2.6 Labelling, safety marks

Product label for dierential pressure gauge, non-Ex version (example)

Instrument type

Model

Scale range

Output signal (option)

Supply voltage (option)

Article number

Date of manufacture (month/year)

Product label for dierential pressure gauge, Ex version (example)

Model + transmitter electronics Ex marking

Article number Supply voltage

Serial number Output signal

Date of manufacture (month/year) Scale range

Before mounting and commissioning the instrument, ensure you read the

operating instructions!



























11592011.07 04/2020 EN/DE/FR/ES

Dierential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas

2. Safety

Risk of burns!

Potentially dangerous situation caused by hot surfaces.

The instrument bearing this mark is a safety pressure gauge with a solid bae wall

in accordance with EN 837, safety version “S3”.

Do not dispose of with household waste. Ensure a proper disposal in accordance

with national regulations.

2.7 Ex version

The Ex version of the models 712.15.100 and 732.15.100 consists exclusively of a mechani-

cal dierential pressure gauge with integrated transmitter electronics, model 892.44.

DANGER!

Danger to life due to loss of explosion protection

Non-observance of these instructions and their contents may result in the loss of

explosion protection.

▶Observe the safety instructions in this chapter and further explosion protection

instructions in these operating instructions.

▶Observe the information given in the applicable type examination certicate and

the relevant country-specic regulations for installation and use in hazardous

areas (e.g. IEC 60079-14, NEC, CEC).

Check whether the classication is suitable for the application. Observe the relevant national

regulations.

Ex marking

ATEX

IECEx

II 2G Ex ia IIC T4/T5/T6 Gb

Permissible temperature range

For determining the maximum temperature at the instrument, besides the medium tempe-

rature also other inuences such as the ambient temperature and, if applicable, the solar

irradiation must be taken into account.

Required temperature class

(ignition temperature)

Permissible temperature range

at the instrument

T6 and T5 -40 ... +60 °C

T4 -40 ... +80 °C

Dierential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas

11592011.07 04/2020 EN/DE/FR/ES

The installation should be made in such a way that the temperature range of the instrument,

also considering the eects of convection and thermal radiation, neither exceeds nor falls

below the permissible limits.

The permissible temperature ranges must not be exceeded at the instrument either. If neces-

sary, measures for cooling (e.g. syphon, instrumentation valve) have to be taken.

2.8 Special conditions for safe use (X conditions)

1. Safe use of the instrument requires observance of all data given in the chapters of these

operating instructions, in particular the data regarding the Ex version.

2. The Ex version of the instrument can be used in the following ambient temperature

range Ta:

-40 °C ≤ Ta ≤ +60 °C for temperature class T6 and T5

-40 °C ≤ Ta ≤ +80 °C for temperature class T4

3. The permissible medium temperature range Tmmust be observed on the instrument:

-40 °C ≤ Tm ≤ +60 °C for oxygen

-40 °C ≤ Tm ≤ +60 °C for temperature class T6 and T5

-40 °C ≤ Tm ≤ +80 °C for temperature class T4

3. Transport, packaging and storage

3.1 Transport

Check the instrument for any damage that may have been caused by transport.

Obvious damage must be reported immediately.

CAUTION!

Damage through improper transport

With improper transport, a high level of damage to property can occur.

▶When unloading packed goods upon delivery as well as during internal trans-

port, proceed carefully and observe the symbols on the packaging.

▶With internal transport, observe the instructions in chapter 3.2 “Packaging and

storage”.

3.2 Packaging and storage

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).

Permissible conditions at the place of storage:

Storage temperature: -20 ... +60 °C

2. Safety / 3. Transport, packaging and storage

11592011.07 04/2020 EN/DE/FR/ES

Dierential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas

Avoid exposure to the following factors:

■Direct sunlight or proximity to hot objects

■Mechanical vibration, mechanical shock (putting it down hard)

■Soot, vapour, dust and corrosive gases

■Hazardous environments, ammable atmospheres

Store the instrument in its original packaging in a location that fulls the conditions listed

above.

4. Commissioning, operation

Personnel: Skilled personnel

Before installation, commissioning and operation, ensure that the appropriate instrument has

been selected in terms of scale range, design and specic measuring conditions.

DANGER!

Danger to life from explosion!

Through working in ammable atmospheres, there is a risk of explosion which can

cause death.

▶Only carry out set-up work in non-hazardous environments!

WARNING!

Physical injuries and damage to property and the environment caused by

hazardous media

Upon contact with hazardous media (e.g. oxygen, acetylene, ammable or toxic

substances), harmful media (e.g. corrosive, toxic, carcinogenic, radioactive), there is a

danger of physical injuries and damage to property and the environment.

Should a failure occur, aggressive media with extremely high temperature and

under high pressure may be present at the instrument.

▶For these media, in addition to all standard regulations, the appropriate existing

codes or regulations must also be followed.

▶Wear the requisite protective equipment.

WARNING!

Physical injuries and damage to property and the environment caused by

media escaping under high pressure

With the pressurisation of the instrument, as a result of poor sealing of the process

connection, media under high pressure can escape.

Due to the high energy of the media that can escape in the event of a failure, the

possibility of physical injuries and damage to property exists.

▶The sealing of the process connection must be carried out expertly and checked

for leak tightness.

3. Transport, packaging and storage / 4. Commissioning, operation

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