WIKA TR10-B User manual

D
GB
Operating instructions
Betriebsanleitung
Model TR10-B
Resistance thermometers per EN 14597
Widerstandsthermometer nach EN 14597
MAKGIL VIET NAM

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WIKA operating instructions resistance thermometers per EN 14597
3132465.01 07/2011 GB/D
Operating instructions RTD per EN 14597 Page 3 - 18
Betriebsanleitung RTD nach EN 14597 Seite 19 - 33
© 2011 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!
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WIKA operating instructions resistance thermometers per EN 14597
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1. General information 4
2. Safety 5
3. Specications 9
4. Design and function 11
5. Transport, packaging and storage 11
6. Commissioning, operation 12
7. Maintenance and cleaning 15
8. Faults 15
9. Dismounting, return and disposal 16
Contents
Contents
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1. General information
■
The instrument 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 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
- Application consultant: Tel.: [phone]
Fax: [phone]
E-mail: [e-mail]
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 equipment or the environment, if not avoided.
Information
… points out useful tips, recommendations and information for ecient and
trouble-free operation.
1. General information
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DANGER!
...identies hazards caused by electric power. Should the safety instructions not
be observed, there is a risk of serious or fatal injury.
Abbreviations
RTD "Resistance Temperature Detector" = Resistance thermometers
2. Safety
WARNING!
Before installation, commissioning and operation, ensure that the appropriate
thermometer has been selected in terms of measuring range, design and specic
measuring conditions.
Choose the thermowell with regard to the maximum pressure and temperature
(e.g. rating chart in DIN 43772).
Non-observance can result in serious injury and/or damage to the equipment.
Further important safety instructions can be found in the individual chapters of
these operating instructions.
2.1 Intended use
These resistance thermometers are used for temperature measurement in industrial
applications.
The resistance thermometer 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 operation of the resistance thermometer outside of its technical
specications requires the instrument to be taken out of service immediately and inspected
by an authorised WIKA service engineer.
If the resistance thermometer is transported from a cold into a warm environment, the
formation of condensation may result in the instrument malfunctioning. Before putting it back
into operation, wait for the instrument temperature and the room temperature to equalise.
The manufacturer shall not be liable for claims of any type based on operation contrary to
the intended use.
1. General information / 2. Safety
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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.
■
Keep unqualied 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-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!
Protection from electrostatic discharge (ESD) required.
The proper use of grounded work surfaces and personal wrist straps is required
when working with exposed circuitry (printed circuit boards), in order to prevent
static discharge from damaging sensitive electronic components.
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, in particular the section on safety instructions.
2. Safety
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DANGER!
Danger of death caused by electric current
Upon contact with live parts, there is a direct danger of death.
Electrical instruments may only be installed and connected by skilled electrical
personnel.
Operation using a defective power supply unit (e.g. short circuit from the mains
voltage to the output voltage) can result in life-threatening voltages at the
instrument!
WARNING!
Residual media in dismounted instruments can result in a risk to persons, the
environment and equipment. Take sucient precautionary measures.
Do not use this instrument in safety or Emergency Stop devices. Incorrect use of
the instrument can result in injury.
Should a failure occur, aggressive media with extremely high temperature and
under high pressure or vacuum may be present at the instrument.
2. Safety
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2.4 Labelling / Safety marks
Product label
Explanation of symbols
Before mounting and commissioning the instrument, ensure you read
the operating instructions!
Year of manufacture
Model
■
Product label for measuring insert TR10-A
Model
Sensor
■
W Wire-wound resistor
Sensor in accordance
with standard
■
Additional label
Year of manufacture
2. Safety
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3. Specications
3.1 Resistance thermometer
Sensor connection method
■
2-wire The lead resistance is recorded as an error in the measurement.
■
3-wire With a cable length of approx. 30 m or longer, measuring errors can occur.
■
4-wire The internal lead resistance of the connecting wires is negligible.
Sensor tolerance value per DIN EN 60751
■
Class B
■
Class A
■
Class AA
The combinations of a 2-wire connection with class A or class AA are not permissible, since
the lead resistance of the measuring insert negates the higher sensor accuracy.
Basic values and limiting errors
Basic values and limiting errors for the platinum measurement resistances are laid down in
DIN EN 60751.
The nominal value of Pt100 sensors is 100 Ω at 0 °C.
The temperature coecient α can be stated simply to be between 0 °C and 100 °C with:
α = 3,85 ∙ 10-3 °C-1
The relationship between temperature and electrical resistance is described by
polynomialss, which are also dened in DIN EN 60751. Moreover, this standard species the
basic values in °C steps in tabular form.
Class Temperature range Tolerance value in °C
Wire-wound (W) Thin-lm (F)
B -196 … +600 °C -50 … +500 °C ±(0.30 + 0.0050 | t |) 1)
A -100 … +450 °C -30 … +300 °C ±(0.15 + 0.0020 | t |) 1)
AA -50 … +250 °C 0 … 150 °C ±(0.10 + 0.0017 | t |) 1)
1) | t | is the value of the temperature in °C without consideration of the sign.
Bold: Standard version
3. Specications
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Resistance values and tolerance values with selected temperatures (Pt100)
Temperature
in °C (ITS 90)
Resistance value in Ω
Class B Class A Class AA
-196 19.69 ... 20.80 - -
-100 59.93 ... 60.58 60.11 ... 60.40 -
-50 80.09 ... 80.52 80.21 ... 80.41 80.23 ... 80.38
-30 88.04 ... 88.40 88.14 ... 88.30 88.16 ... 88.28
0 99.88 ... 100.12 99.94 ... 100.06 99.96 ... 100.04
20 107.64 ... 107.95 107.72 ... 107.87 107.74 ... 107.85
100 138.20 ... 138.81 138.37 ... 138.64 138.40 ... 138.61
150 156.93 ... 157.72 157.16 ... 157.49 157.91 ... 157.64
250 193.54 ... 194.66 193.86 ... 194.33 193.91 ... 194.29
300 211.41 ... 212.69 211.78 ... 212.32 -
450 263.31 ... 265.04 263.82 ... 264.53 -
500 280.04 ... 281.91 - -
600 312.65 ... 314.77 - -
This table represents the calibration process with predened temperatures.
This means if a temperature standard is available, the resistance value of the test piece must lie within the
limits specied above.
3.2 Instrument requirement per EN 14597
WARNING!
Follow the requirements of EN 14597 "Temperature control devices".
The devices are only certied as a unit (thermometer in conjunction with a model TW35X
thermowell). The approval is only valid for measurements in liquids, e.g. water, oil.
IP ingress protection (e.g. the cable gland in conjunction with the lead)
at least IP 40 per EN 60529
Minimum immersion depth (medium)
80 mm
Nominal pressure rating for the thermowell
PN = 40 bar at Tmax = 400 °C
Maximum ambient temperature for the connection head:
Tu = 100 °C
Possible temperature restriction through use of a cable gland/connecting cable. The lowest
value is always used.
Time constant
< 25 seconds at 0.3 m/s tip velocity
For further specications see relevant WIKA data sheet or order documentation.
3. Specications
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4. Design and function
4.1 Description
These resistance thermometers detect temperatures in processes. These thermometers are
suitable for low and medium process requirements, depending on the design.
They are assembled as thermometers with a connection head. Optinal a transmitter can
be mounted into the connection head. For this temperature transmitter, an own operating
instructions will be enclosed.
Using these thermometers without a thermowell is not permitted.
4.2 Scope of delivery
Cross-check scope of delivery with the delivery note.
5. Transport, packaging and storage
5.1 Transport
Check the instrument for any damage that may have been caused during transportation.
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:
Instruments without built-in transmitter: -40 ... +85 °C
Instruments with built-in transmitter: see operating instructions of the transmitter in
question
■
Humidity: 35 ... 85 % relative humidity (no condensation)
Avoidance of 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
4. Design and function / 5. Transport, packaging and storage
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Store the instrument in its original packaging in a location that fulls the conditions listed
above. If the original packaging is not available, pack and store the instrument as described
below:
1. Wrap the instrument in an antistatic plastic lm.
2. Place the instrument, 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 importance if the medium is hazardous to health, e.g. caustic,
toxic, carcinogenic, radioactive, etc.
6. Commissioning, operation
WARNING!
When the thermometer is mounted, the temperature must not drop below the
allowed operating temperature (environment, medium) or exceed it, even when
taking convection and heat radiation into account!
WARNING!
Thermometers must be earthed if dangerous voltages could be expected at the
connection wires (caused, for example, by mechanical damage, electrostatic
discharge or induction)!
6.1 Electrical connection
CAUTION!
■
Damage to cables and wires, and to connection points must be avoided
■
Flying leads with bare ends must be nished with ferrule ends (cable
preparation)
5. Transport, packaging and storage / 6. Commissioning, ...
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The electrical connection is to be made according to the sensor connections/pin
assignments shown below:
Resistance thermometer with terminal block
3160629.06
red
1 x Pt100, 2-wire 1 x Pt100, 3-wire 1 x Pt100, 4-wire
white white red
red
red
red
white
white
white white white
white
red
red red
red
red
2 x Pt100, 2-wire 2 x Pt100, 3-wire 2 x Pt100, 4-wire
red white
white red
red
white
black
yellow yellow yellow black
black
white
white
red
red
red
red
black
black
black
black
yellow yellow
yellow
red
white
black
yellow
white
6. Commissioning, operation
6.2 Cable connections
The cable gland must be optimally sealed, to ensure that the required protection class is
reached.
Requirements for meeting ingress protection
■
Only use cable glands within their indicated clamping range (cable diameter suitable for
the cable gland)
■
Do not use the lower clamping area with very soft cable types
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■
Only use circular cross-section cables (if necessary, slightly oval in cross-section)
■
Do not twist the cable
■
Repeated opening/closing is possible; however only if necessary, as it might have a
detrimental eect on the protection class
■
For cable with a pronounced cold-ow behaviour the screw connection must be fully
tightened
6.3 Parallel threads
If the thermometer connecting head, neck tube, thermowell or process connection are
connected to parallel threads (e.g. G ½, M20 x 1,5 ...), these threads must be secured by
means of seals preventing liquids from penetrating into the thermometer.
As standard, WIKA uses copper prole seals for the connection between the neck tube
and the thermowell, and at paper seals for the connection of the connection head and the
extension neck or thermowell.
If the thermometer and the thermowell are already connected, the seals will already be
mounted. The plant operator must check whether the seals are suitable for the operating
conditions and must replace them, if necessary, with suitable seals.
For thermometers without a thermowell, and/or where these are delivered separately, the
seals are not included and must be ordered separately.
Tighten the threads by hand when carrying out the nal assembly on the plant. This will
correspond to the delivery status of the premounted components. The nal tightening torque
should be applied using a spanner (half rotation).
The seals must be replaced after dismantling!
The seals can be ordered from WIKA, indicating the WIKA order number and/or
the designation (see table).
WIKA
Order No.
Description Suitable for threads
1605933 D15 x D21 x 1 -NP-Univ M24 x 1.5
0479632 per DIN 7603 D16.2 x D21.9 x 1.5 -2.0060 M24 x 1.5
(Head neck tube/thermowell)
Legend:
NP-Univ = Novapress universal
(2.0060 =E-Cu57 per DIN 1708)
∧
6. Commissioning, operation
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7. Maintenance and cleaning
7.1 Maintenance
This resistance thermometer is maintenance-free.
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
CAUTION!
■
Clean the instrument with a moist cloth.
■
Electrical connections must not come into contact with moisture.
■
Wash or clean the dismounted instrument before returning it, in order to
protect personnel and the environment from exposure to residual media.
■
Residual media in dismounted instruments can result in a risk to persons, the
environment and equipment. Take sucient precautionary measures.
For information on returning the instrument see chapter "9.2 Return".
8. Faults
Faults Causes Measures
No signal/ line breakage Mechanical load too high or
overtemperature
Replace probe or measuring insert with
a suitable design
Erroneous measured
values
Sensor drift caused by
overtemperature
Replace probe or measuring insert with
a suitable design
Sensor drift caused by chemical
attack
Use a design with thermowell
Erroneous measured
values (too low)
Entry of moisture into cable or
measuring insert
Replace probe or measuring insert with
a suitable design
Erroneous measured
values and response
times too long
Wrong mounting geometry, for
example mounting depth too deep or
heat dissipation too high
The temperature-sensitive area of the
sensor must be inside the medium,
and surfaces must be isolated
Deposits on the sensor or thermowell Remove deposits
Measurement signal
"comes and goes"
Cable break in connecting cable or
loose contact caused by mechanical
overload
Replace probe or measuring insert
with a suitable design, for example
equipped with a strain relief or a
thicker conductor cross-section
Corrosion Composition of the medium not
as expected or modied or wrong
thermowell material selected
Analyse medium and then select a
more-suitable material or replace
thermowell regularly
Signal interference Stray currents caused by electric
elds or earth loops
Use shielded connecting cables, and
increase the separation from motors
and power cables.
Earth circuits Eliminate potential dierences by
using galvanically isolated transmitter
power supplies or transmitters.
7. Maintenance and cleaning / 8. Faults
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CAUTION!
If faults cannot be eliminated by means of the measures listed above, the
instrument must be shut down immediately, and it must be ensured that pressure
and/or signal are no longer present, and it must be prevented from being
inadvertently put back into service. In this case, contact the manufacturer.
If a return is needed, follow the instructions given in chapter "9.2 Return".
9. Dismounting, return and disposal
WARNING!
Residual media in dismounted instruments can result in a risk to persons, the
environment and equipment. Take sucient precautionary measures.
9.1 Dismounting
WARNING!
Risk of burns!
Let the instrument cool down suciently before dismounting!
During dismounting there is a risk of dangerously hot pressure media escaping.
Only disconnect the resistance thermometer and the thermowell once the system has been
depressurised!
9.2 Return
WARNING!
Absolutely observe the following when shipping the instrument:
All instruments delivered to WIKA must be free from any kind of hazardous
substances (acids, leachate, solutions, etc.).
When returning the instrument, use the original packaging or a suitable transport package.
To avoid damage:
1. Wrap the instrument in an antistatic plastic lm.
2. Place the instrument, along with shock-absorbent material, in the packaging.
Place shock-absorbent material evenly on all sides of the shipping box.
3. If possible, place a bag containing a desiccant inside the packaging.
4. Label the shipment as carriage of a highly sensitive measuring instrument.
Enclose the completed return form with the instrument.
8. Faults / 9. Dismounting, return and disposal
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The return form is available on the internet:
www.wika.com / Service / Return
9.3 Disposal
Incorrect disposal can put the environment at risk.
Dispose of instrument components and packaging materials in an environmentally
compatible way and in accordance with the country-specic waste disposal regulations.
9. Dismounting, return and disposal
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1. Allgemeines 20
2. Sicherheit 21
3. Technische Daten 25
4. Aufbau und Funktion 27
5. Transport, Verpackung und Lagerung 27
6. Inbetriebnahme, Betrieb 28
7. Wartung und Reinigung 31
8. Störungen 31
9. Demontag, Rücksendung und Entsorgung 32
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Inhalt
Inhalt
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1. Allgemeines
■
Das in der Betriebsanleitung beschriebene Gerät wird nach den neuesten Erkenntnissen
konstruiert und gefertigt. Alle Komponenten unterliegen während der Fertigung strengen
Qualitäts- und Umweltkriterien. Unsere Managementsysteme sind nach ISO 9001 und
ISO 14001 zertiziert.
■
Diese Betriebsanleitung gibt wichtige Hinweise zum Umgang mit dem Gerät.
Voraussetzung für sicheres Arbeiten ist die Einhaltung aller angegebenen
Sicherheitshinweise und Handlungsanweisungen.
■
Die für den Einsatzbereich des Gerätes geltenden örtlichen Unfallverhütungsvorschriften
und allgemeinen Sicherheitsbestimmungen einhalten.
■
Die Betriebsanleitung ist Produktbestandteil und muss in unmittelbarer Nähe des Gerätes
für das Fachpersonal jederzeit zugänglich aufbewahrt werden.
■
Das Fachpersonal muss die Betriebsanleitung vor Beginn aller Arbeiten sorgfältig durch-
gelesen und verstanden haben.
■
Die Haftung des Herstellers erlischt bei Schäden durch bestimmungswidrige Verwen-
dung, Nichtbeachten dieser Betriebsanleitung, Einsatz ungenügend qualizierten
Fachpersonals sowie eigenmächtiger Veränderung am Gerät.
■
Es gelten die allgemeinen Geschäftsbedingungen in den Verkaufsunterlagen.
■
Technische Änderungen vorbehalten.
■
Weitere Informationen:
- Internet-Adresse: www.wika.de / www.wika.com
- Anwendungsberater: Tel.: [phone]
Fax: [phone]
E-Mail: inf[email protected]
Symbolerklärung
WARNUNG!
… weist auf eine möglicherweise gefährliche Situation hin, die zum Tod oder zu
schweren Verletzungen führen kann, wenn sie nicht gemieden wird.
VORSICHT!
… weist auf eine möglicherweise gefährliche Situation hin, die zu geringfügigen
oder leichten Verletzungen bzw. Sach- und Umweltschäden führen kann, wenn
sie nicht gemieden wird.
Information
… hebt nützliche Tipps und Empfehlungen sowie Informationen für einen
ezienten und störungsfreien Betrieb hervor.
1. Allgemeines
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