WIKA 53 Series Manuale utente

Bimetal thermometer, models 53, 54, 55 (ATEX) EN

Model R5502 Model S5413

Operating

instructions

2 WIKA operating instructions models 53, 54, 55 (ATEX)

WIKA®is a registered trademark in various countries.

Prior to starting any work, read the operating instructions!Keep for later

use!

Operating instructions

models 53, 54, 55 (ATEX)

Page 3 - 20

07/2021 EN based on 03/2018 RU (based on 11583747.05 10/2017 EN)

WIKA operating instructions models 53, 54, 55 (ATEX) 3

Content

1. General Information

2. Safety

3. Specifications

4. Design and function

5. Special conditions for use (conditions X)

6. Transport, packaging and storage

7. Commissioning, operation

8. Maintenance and cleaning

9. Dismounting, return and disposal

Certificates and approvals can be found at www.wika.com.

Content

07/2021 EN based on 03/2018 RU (based on 11583747.05 10/2017 EN)

1. General information

General information

■

Bimetal thermometers described in these operating

EN instructions have 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 certified to ISO 9001 and

ISO 14001.

■

These operating instructions contain important information on

handling the instrument. To ensure safe operation, all safety

instructions and operating instructions must be observed.

■

Observe the local accident prevention regulations and general

safety regulations, in effect for the instrument's range of use.

■

The operating instructions are part of the instrument and must

be kept in the immediate vicinity of the instrument and readily

accessible to skilled personnel at anytime.

■

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

insufficiently qualified skilled personnel or unauthorised

modifications to the instrument.

■

The general terms and conditions contained in the sales

documentation shallapply.

■

Subject to technical modifications.

4 WIKA operating instructions, models 53, 54, 55 (ATEX)

07/2021 EN based on 03/2018 RU (based on 11583747.05 10/2017 EN)

1. General information

WIKA operating instructions models 53, 54, 55 (ATEX) 5

■

Further information:

- Internet address:

www.wika.de / www.wika.com

- Data sheet: TM 53.01, TM 54.01, TM 55.01

The instrument specifications indicated in the operational

documentation, can only be maintained if the instrument is used in

strict compliance with these operating instructions.

Explanation of symbols

CAUTION!

... 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

efficient and trouble-free operation.

CAUTION!

... indicates a potentially dangerous situation in the

hazardous area that can result in serious injury or

death, if not avoided.

CAUTION!

... indicates a potentially dangerous situation that can result in

burns caused by hot surfaces or liquids, if not avoided.

07/2021 EN based on 03/2018 RU (based on 11583747.05 10/2017 EN)

2. Safety requirements

Safety requirements

CAUTION!

EN Before installing, commissioning and operation,

ensure that the appropriate bimetal thermometer has

been selected in terms of measuring range, design and

specific measuring conditions. The compatibility of the

wetted parts of the process connection (thermowell,

thermowell stem) with the medium must be tested.

Non-observance can result in serious injury and/or

damage to property.

Further important safety instructions can be found in the

individual chapters of these operating instructions.

2.1 Intended use

These bimetal thermometers are used for measuring temperature in

hazardous areas of industrialapplications.

The instrument has been designed and built solely for the intended

use described here, and may only be used accordingly.

The technical specifications contained in these operating

instructionsmust be observed. Improper handling or operation of

the instrument outside of its technical specifications 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.

6 WIKA operating instructions, models 53, 54, 55 (ATEX)

07/2021 EN based on 03/2018 RU (based on 11583747.05 10/2017 EN)

2. Safety requirements

2.2 Personnel qualification

CAUTION!

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.

■

Keep unqualified personnel away fromhazardous

areas.

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 directives, are capable of carrying

out the work described and independently recognising potential

hazards.

2.3 Additional safety instructions for instruments per ATEX

CAUTION!

Non-observance of these instructions and their contents

may result in the loss of

explosion protection.

CAUTION!

It is imperative that the application conditions and

safety requirements of the EC-type examination

certificate are followed.

Temperature measuring instruments must be earthed via

the process connection!

WIKA operating instructions models 53, 54, 55 (ATEX) 7

07/2021 EN based on 03/2018 RU (based on 11583747.05 10/2017 EN)

2. Safety requirements

8 WIKA operating instructions models 53, 54, 55 (ATEX)

Bimetal thermometers contain no internal heat source, and, when

correctly installed and operated, cause no increase in temperature!

EN 2.4 Special hazards

CAUTION!

Observe the information given in the applicable type

examination certificate and the relevant country-specific

regulations for installation and use in potentially

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

Non-observance can result in serious injury and/or

damage to property.

For additional important safety instructions for

instruments with ATEX approval, see chapter 2.3

“Additional safety instructions for instruments per ATEX”.

CAUTION!

Residual media in the dismounted instruments can

result in a risk to persons, equipment and the

environment. Takesufficient precautionary measures.

07/2021 EN based on 03/2018 RU (based on 11583747.05 10/2017 EN)

2. Safety requirements

WIKA operating instructions models 53, 54, 55 (ATEX) 9

2.5 Labelling, safety marks

Product label (example)



Ex м

Before mounting and commissioning the

instrument, ensure you read the operating

instructions!

Do not fill the instruments with filling liquidsubsequently.

List of critical failures

1. The integrity of the case is compromised.

2. The temperature measurement function is impaired.

Possible personnel errors

Installation and connection of the instrument not in accordance with these operating instructions,

which may lead to malfunctions.

Method of elimination:

- dismount the instrument

- install and connect the instrument in accordance with these operating instructions.

Limit state parameters

1. The case starts to lose its integrity.

2. Increased response time.

07/2021 EN based on 03/2018 RU (based on 11583747.05 10/2017 EN)

3. Specifications / 4. Design and ...

Specifications

For further specifications see WIKA data sheet TM 53.01,

TM 54.01 or TM 55.01 and order documentation.

Design and function

4.1 Descrition

The bimetal thermometers of this series are intended for installation

in pipelines, vessels, plant and machinery.

10 WIKA operating instructions, models 53, 54, 55 (ATEX)

07/2021 EN based on 03/2018 RU (based on 11583747.05 10/2017 EN)

Specifications

Model 53

Model 54

Model 55

Measuring

element

Bimetal coil

Nominal size

3", 5"

63,80,100, 160

63,100,160

Instrument version

■

Model A5x

■

Model R5x

■

Model S5x

Back mount (axial)

Lower mount (radial)

Back mount, case can rotate and swivel

Permissible ambient

temperature

-20 ... +60 °C max.

-50 ... +60 °C

Working pressure

■

Continuous load(1

year)

■

Short term

(max. 24 h)

Measuring range (EN 13190)

Scale range (EN 13190)

Case, ring

Stainless steel 1.4301 (304)

Stem, process

connection

Stainless steel 1.4571 (316Ti)

Ingress protection

IP65 per EN/IEC 60529

IP66, liquid-filled

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