WIKA TR10-B Manual de usuario
D
GB
Operating instructions
Betriebsanleitung
Model TR10-B
Resistance thermometers per EN 14597
Widerstandsthermometer nach EN 14597
MAKGIL VIET NAM
2
D
GB
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!
MAKGIL VIET NAM
WIKA operating instructions resistance thermometers per EN 14597
3132465.01 07/2011 GB/D
3
GB
1. General information 4
2. Safety 5
3. Specications 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
MAKGIL VIET NAM
3132465.01 07/2011 GB/D
4WIKA operating instructions resistance thermometers per EN 14597
GB
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
certied 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 insuciently qualied skilled personnel or unauthorised modications to
the instrument.
■
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
- Application consultant: Tel.: (+49) 9372/132-0
Fax: (+49) 9372/132-406
E-mail: info@wika.de
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 ecient and
trouble-free operation.
1. General information
MAKGIL VIET NAM
WIKA operating instructions resistance thermometers per EN 14597
3132465.01 07/2011 GB/D
5
GB
DANGER!
...identies 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 specic
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 specications contained in these operating instructions must be observed.
Improper handling or operation of the resistance thermometer outside of its technical
specications 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
MAKGIL VIET NAM
3132465.01 07/2011 GB/D
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GB
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 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
MAKGIL VIET NAM
WIKA operating instructions resistance thermometers per EN 14597
3132465.01 07/2011 GB/D
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GB
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 sucient 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
MAKGIL VIET NAM
3132465.01 07/2011 GB/D
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GB
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
MAKGIL VIET NAM
WIKA operating instructions resistance thermometers per EN 14597
3132465.01 07/2011 GB/D
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GB
3. Specications
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 coecient 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 dened in DIN EN 60751. Moreover, this standard species 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. Specications
MAKGIL VIET NAM
3132465.01 07/2011 GB/D
10 WIKA operating instructions resistance thermometers per EN 14597
GB
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 predened temperatures.
This means if a temperature standard is available, the resistance value of the test piece must lie within the
limits specied above.
3.2 Instrument requirement per EN 14597
WARNING!
Follow the requirements of EN 14597 "Temperature control devices".
The devices are only certied 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 specications see relevant WIKA data sheet or order documentation.
3. Specications
MAKGIL VIET NAM
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