WIKA 53 Series Manual de usuario
D
GB
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
E
F
Model A5301 Model S5412 Model R5502
Bimetal thermometer, models 53, 54, 55
Bimetall-Thermometer, Typen 53, 54, 55
Thermomètre bimétalliques, types 53, 54, 55
Termómetro bimetálicos, modelos 53, 54, 55
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WIKA operating instructions models 53, 54, 55 3
Contents
1. General information 4
2. Safety 5
3. Specications 7
4. Design and function 8
5. Transport, packaging and storage 8
6. Commissioning, operation 10
7. Maintenance and cleaning 11
8. Dismounting, return and disposal 12
Contents
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4 WIKA operating instructions models 53, 54, 55
1. General information
■
The bimetal thermometers described in the operating 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 certied to ISO 9001 and ISO 14001.
■
These operating instructions contain important information on
handling the bimetal thermometer. Working safely requires that all
safety instructions and work instructions are observed.
■
Observe the local accident prevention regulations and general
safety regulations, in eect for the bimetal thermometer‘s range of
use.
■
The operating instructions are part of the instrument and must
be kept in the immediate vicinity of the bimetal thermometer 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 manufacturers 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 modica-
tions to the bimetal thermometer.
■
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: TM 53.01, TM 54.01, TM 55.01
1. General information
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WIKA operating instructions models 53, 54, 55 5
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, which 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.
WARNING!
... indicates a potentially dangerous situation that can
result in burns, caused by hot surfaces or liquids, if not
avoided.
2. Safety
WARNING!
Before installation, commissioning and operation, ensure
that the appropriate bimetal thermometer has been
selected in terms of measuring range, design and specic
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 equipment.
Further important safety instructions can be found in the
individual chapters of these operating instructions.
1. General information / 2. Safety
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6 WIKA operating instructions models 53, 54, 55
2.1 Intended use
These bimetal thermometers are mainly used in the process industry
for monitoring the process temperature.
The bimetal thermometer 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 operation of the bimetal
thermometer 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.
2.2 Personnel qualication
WARNING!
Risk of injury should qualication be insucient!
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.
■
Keep unqualied personnel away from hazardous
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-specic regulati-
ons, current standards and directives, are capable of carrying out the
work described and independently recognising potential hazards.
2. Safety
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2.3 Special hazards
WARNING!
Residual media in dismounted instruments can result in
a risk to persons, the environment and equipment. Take
sucient precautionary measures.
WARNING!
For lled instruments, make sure that the medium tempe-
rature is lower than 250 °C.
Reason: The sheath also contains a lling liquid; at a
temperature >250 °C, this liquid may become cloudy or
change colour or, in some cases, may ignite.
3. Specications
Specications
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, housing can rotate and swivel
Permitted operating
temperature at the housing max. +60 °C (other versions on
request)
Working pressure
■
Continuous load (1 year)
■
short term (max. 24 h)
Measuring range (DIN EN 13190)
Scale range (DIN EN 13190)
Case, ring
Stainless
steel
Stainless steel
1.4301
Stainless
steel
Sheath, process
connection
Stainless steel 1.4571
Ingress protection
IP 65 per EN 60529 / IEC 529
IP 66, liquid-lled
For further specications see WIKA data sheet TM 53.01, TM 54.01
or TM 55.01 and order documentation.
2. Safety / 3. Specications
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8 WIKA operating instructions models 53, 54, 55
4. Design and function
4.1 Description
The bimetal thermometers of this series are intended for installation in
pipelines, vessels, plant and machinery.
Sheath and case are made of stainless steel.
To allow tting to the process, dierent installation lengths and
process connections are available.
Through the high protection class of the thermometer (IP 65) and its
liquid damping, operation under vibration conditions is possible.
4.2 Scope of delivery
Cross-check scope of delivery with delivery note.
5. Transport, packaging and storage
5.1 Transport
Check instrument for any damage that may have been caused by
transport. 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: -20 ... +60 °C
4. Design, function / 5. Transport, packaging ...
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WIKA operating instructions models 53, 54, 55 9
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
■
Potentially explosive environments, ammable atmospheres
Store the instrument in its original packaging in a location that fulls
the conditions listed above. If the original packaging is not available,
pack and store the thermometer as described below:
1. Wrap the thermometer in an antistatic plastic lm.
2. Place the thermometer, along with shock-absorbent material, in the
packaging.
3. If stored for a prolonged period of time (more than 30 days), place a
bag, containing a desiccant, inside the packaging.
WARNING!
Before storing the instrument (following operation),
remove any residual media. This is of particular impor-
tance if the medium is hazardous to health, e.g. caustic,
toxic, carcinogenic, radioactive, etc.
The use of liquid damping is always recommended for
temperatures near the dew point (±1 °C around 0 °C).
5. Transport, packaging and storage
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10 WIKA operating instructions models 53, 54, 55
loosening
Make sure to loosen the screws
on the opposite side as well!
6. Commissioning, operation
When screwing the gauges in, the force required for this must not
be applied through the case or terminal box, rather only through the
spanner ats provided for this purpose (using a suitable tool).
6. Commissioning, operation
Installation with
spanner
When mounting a bimetal thermometer that can be rotated and
swivelled, the specic instructions must be followed. In order to set
the indicator to the desired position, the following steps must be
taken:
1. The lock nut or union nut must be loosened at the process connec-
tion.
2. The hexagon bolts and slotted screws at the swivel joint must be
loosened.
3. Position the indicator as required, tighten the hexagon bolts and
slotted screws, and nally tighten the lock nut or union nut rmly.
When using thermowells, they must be lled with a thermal contact
medium in order to reduce the heat transfer resistance between the
outer wall of the sensor and the inner wall of the thermowell. The
working temperature of the thermal compound is -40 ... +200 °C.
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WIKA operating instructions models 53, 54, 55 11
6. Commissioning, operation / 7. Maintenance ...
WARNING!
Do not ll hot thermowells. There is a risk of the oil spray-
ing out!
CAUTION!
When using thermowells, please
ensure that the stem does not touch
the bottom of the thermowell since,
due to the dierent expansion
coecients of the materials, the
stem may become buckled at the
bottom of the thermowell.
(Formula for the calculation of the
stem length l1 see the respective
thermowell's data sheet)
7. Maintenance and cleaning
7.1 Maintenance
These bimetal thermometers are maintenance-free!
The indicator should be checked once or twice every year. To do this
the instrument must be disconnected from the process and checked
using a temperature calibrator.
Repairs must only be carried out by the manufacturer.
Thermowell
Stem
required safety
clearance
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3
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