WIKA TR31-3 Manual de usuario

Operating instructions

Betriebsanleitung

Model TR31-3 Model TR31-K

OEM miniature resistance thermometer

Models TR31-3, TR31-K

OEM-Miniatur-Widerstandsthermometer

Typen TR31-3, TR31-K

70018194

14096788.07 03/2018 EN/DE

WIKA operating instructions models TR31-3, TR31-K

Operating instructions models TR31-3, TR31-K

Page 3 - 34

Betriebsanleitung Typen TR31-3, TR31-K

Seite 35 - 66

Further languages can be found at www.wika.com.

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!

WIKA operating instructions models TR31-3, TR31-K

14096788.07 03/2018 EN/DE

Contents

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

1. General information 4

2. Safety 6

3. Specications 10

4. Design and function 14

5. Transport, packaging and storage 17

6. Commissioning, operation 18

7. Conguration 24

8. CongurationsoftwareWIKAsoft-TT 25

9. Connecting PU-548 programming unit 28

10. Maintenance and cleaning 30

11. Faults 30

12. Dismounting, return and disposal 32

Appendix:CSAcontroldrawing 34

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WIKA operating instructions models TR31-3, TR31-K

1. General information

■

The resistance thermometer 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

- Relevant data sheet: TE 60.31

- Application consultant: Tel.: +49 9372 132-0

Fax: +49 9372 132-406

inf[email protected]

1. General information

WIKA operating instructions models TR31-3, TR31-K

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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.

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 that can result

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

Abbreviations

2-wire The lead resistance is recorded as an error in the measurement.

3-wire With a cable length of 30 m or longer, measuring errors can

occur.

4-wire The lead resistance can be neglected.

1. General information

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WIKA operating instructions models TR31-3, TR31-K

2. Safety

WARNING!

Before installation, commissioning and operation, ensure

that the appropriate resistance thermometer has been

selected in terms of measuring range, design, specic

measuring conditions and appropriate wetted parts' materials

(corrosion).

Non-observance can result in serious injury and/or damage

to the equipment.

Depending on the type of application, the electrical

connection must be protected against mechanical damage.

Further important safety instructions can be found in the

individual chapters of these operating instructions.

2.1 Intendeduse

The model TR31 resistance thermometer is used as a general-

purpose thermometer for the measurement of temperatures from

-50 … +150 °C or -58 ... +302 °F (without neck tube) and -50 … +250 °C

or -58 ... +482 °F (with neck tube) in liquid and gaseous media.The

version with mineral-insulated sheathed cable and neck tube allows

to measure temperatures up to 300 °C or 572 °F. It can be used for

pressures up to 140 bar with 3 mm sensor diameters and up to 270 bar

with 6 mm sensor diameters, dependent on the instrument version.

The instrument 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 instrument

outside of its technical specications requires the instrument to be taken

out of service immediately and inspected by an authorised WIKA service

engineer.

2. Safety

WIKA operating instructions models TR31-3, TR31-K

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If the instrument is transported from a cold into a warm environment, the

formation of condensation may result in instrument malfunction. 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.

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 electrical personnel

Skilled electrical personnel are understood to be personnel who, based

on their technical training, know-how and experience as well as their

knowledge of country-specic regulations, current standards and directives,

are capable of carrying out work on electrical systems and independently

recognising and avoiding potential hazards.The skilled electrical personnel

have been specically trained for the work environment they are working

in and know the relevant standards and regulations.The skilled electrical

personnel must comply with current legal accident prevention regulations.

Special operating conditions require further appropriate knowledge, e.g.

of aggressive media.

2. Safety

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WIKA operating instructions models TR31-3, TR31-K

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 and in

particular, the safety instructions contained therein.

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!

2. Safety

WIKA operating instructions models TR31-3, TR31-K

14096788.07 03/2018 EN/DE

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.

2.4 Labelling, safety marks

Productlabel(examples)

2. Safety











Model

Date of manufacture (Year-Month)

Approval logos

Information on version (measuring element, output signal, measuring range...)

■

Thermometer with transmitter and 4 ... 20 mA output signal

■

Thermometer with direct sensor output with Pt100 and Pt1000

Serial number, TAG no.

Before mounting and commissioning the instrument,

ensure you read the operating instructions!

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WIKA operating instructions models TR31-3, TR31-K

3. Specications

Thermometerwithtransmitterandoutputsignal4...20mA

(modelTR31-x-x-TT)

Temperature range Without neck tube -30 ... +150 °C (-22 ... +302 °F)

With neck tube -30 ... +250 °C (-22 ... +482 °F) 1) 2)

Measuring element Pt1000

Connection method 2-wire

Tolerancevalueofthe

measuring element

Class A

(per IEC 60751)

Measuringdeviationofthe

transmitter

±0.25 K

(per IEC 60770)

Totalmeasuringdeviationin

accordancewithIEC60770

Measuring deviation of the measuring element +

the transmitter

Measuring span Minimum 20 K, maximum 300 K

Basicconguration Measuring range 0 ... 150 °C (-32 ... +302 °F),

other measuring ranges are adjustable

Analogueoutput 4 ... 20 mA, 2-wire

Linearisation Linear to temperature per IEC 60751

Linearisation error ±0.1 % 3)

Switch-on delay, electrical Max. 4 s (time before the rst measured value)

Warming-up period After approx. 4 minutes, the instrument will

function to the specications (accuracy) given in

the data sheet.

Current signal for fault

signal

Congurable in accordance with NAMUR NE43

downscale ≤ 3.6 mA upscale ≥ 21.0 mA

Sensor short-circuit Not congurable, in accordance with

NAMUR NE43 downscale ≤ 3.6 mA

Sensor current < 0.3 mA (self-heating can be neglected)

Load RARA ≤ (UB- 10 V) / 23 mA with RA in Ω and UB in V

Eectofload ±0.05 % / 100 Ω

Power supply UBDC 10 ... 30 V

Max.permissibleresidual

ripple

10 % generated by UB< 3 % ripple of the output

current

Power supply input Protected against reverse polarity

Powersupplyeect ±0.025 % / V (depends on the power supply)

3.Specications

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