WIKA TGU73.100 Bedienungsanleitung

Operating instructions

Betriebsanleitung

Gas-actuated thermometer, model TGU73.100

Gas-actuated thermometer for connection to

WIKA radio unit, model TGU73.100

Gasdruckthermometer zum Anschluss an WIKA-

Funkeinheit, Typ TGU73.100

14602074.02 07/2023 EN/DE

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!

Operating instructions model TGU73.100 Page 3 - 52

Betriebsanleitung Typ TGU73.100 Seite 53 - 103

WIKA operating instructions gas-actuated thermometer, model TGU73.100

14602074.02 07/2023 EN/DE

Contents

1. General information 5

1.1 Abbreviations, definitions . . . . . . . . . . . 7

1.2 Explanations of symbols. . . . . . . . . . . . 7

2. Short overview and product pass 8

2.1 Overview . . . . . . . . . . . . . . . . . 8

2.2 Description . . . . . . . . . . . . . . . . 8

2.3 Scope of delivery . . . . . . . . . . . . . .10

2.4 Product pass . . . . . . . . . . . . . . .10

3. Safety 11

3.1 Intended use. . . . . . . . . . . . . . . .11

3.2 Improper use . . . . . . . . . . . . . . .14

3.3 Responsibility of the operator . . . . . . . . . .15

3.4 Personnel qualification . . . . . . . . . . . .16

3.5 Personal protective equipment . . . . . . . . .17

3.6 Labelling, safety marks . . . . . . . . . . . .18

3.7 Ex marking . . . . . . . . . . . . . . . .20

3.8 Specifications and temperature limits . . . . . . .21

3.9 Special conditions of use (X conditions) . . . . . .22

3.10 Certified WIKA radio unit, model NETRIS®3. . . . .24

4. Transport, packaging and storage 24

4.1 Transport . . . . . . . . . . . . . . . . .24

4.2 Packaging and storage . . . . . . . . . . . .25

5. Commissioning, operation 26

5.1 Mechanical connection . . . . . . . . . . . .27

5.2 Electrical connection . . . . . . . . . . . . .30

5.3 Commissioning . . . . . . . . . . . . . . .31

5.4 Use of thermowells/protection tubes. . . . . . . .32

5.5 Thermal contact medium . . . . . . . . . . .33

5.6 Mounting instructions for contact bulb . . . . . . .33

5.7 Mounting on pipes . . . . . . . . . . . . . .34

5.8 Mounting on tanks . . . . . . . . . . . . . .34

6. Faults 35

Contents

4WIKA operating instructions gas-actuated thermometer, model TGU73.100

14602074.02 07/2023 EN/DE

7. Maintenance, cleaning and calibration 38

7.1 Maintenance. . . . . . . . . . . . . . . .38

7.2 Cleaning . . . . . . . . . . . . . . . . .39

7.3 Calibration . . . . . . . . . . . . . . . .40

8. Dismounting, return and disposal 40

8.1 Dismounting . . . . . . . . . . . . . . . .41

8.2 Return . . . . . . . . . . . . . . . . . .42

8.3 Disposal . . . . . . . . . . . . . . . . .43

9. Specifications 44

10. Accessories 52

Annex : EU declaration of conformity 53

Contents

WIKA operating instructions gas-actuated thermometer, model TGU73.100

14602074.02 07/2023 EN/DE

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 certified in

accordance with 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. Pass the operating instructions on to

the next operator or owner of the instrument.

■Skilled personnel must have carefully read and understood the

operating instructions prior to beginning any work.

■In this document, the generic masculine is used for better readabili-

ty. Female and other gender identities are explicitly included.

■The general terms and conditions contained in the sales documen-

tation shall apply.

Supplementary documentation:

▶Please follow all the documentation included in delivery.

Before commissioning the instrument, the operating

instructions for the WIKA model NETRIS®3 radio unit,

article number 14521664, must also be observed!

1. General information

6WIKA operating instructions gas-actuated thermometer, model TGU73.100

14602074.02 07/2023 EN/DE

■Subject to technical modifications.

■Further information:

- Internet address: www.wika.de / www.wika.com

- Relevant data sheet: TV 17.13

- Additional documentation: Special documentation LoRaWAN®

communication specification, article

number 14618597

- Contact: Tel.: +49 9372 132-0

[email protected]

1. General information

WIKA operating instructions gas-actuated thermometer, model TGU73.100

14602074.02 07/2023 EN/DE

1.1 Abbreviations, definitions

■Bullet

▶Instruction

1. ... x. Follow the instruction step by step

⇒Result of an instruction

→See ... cross-references

UWI Unified WIKA Interface

1.2 Explanations of symbols

DANGER!

... indicates a directly dangerous situation resulting in

serious injury or death, if not avoided.

CAUTION!

... indicates a potentially dangerous situation that can result

in light injuries or damage to property or the environment, if

not avoided.

DANGER!

... indicates a potentially dangerous situation in the hazard-

ous area that can result in serious injury or death, if not

avoided.

WARNING!

... indicates a potentially dangerous situation that can result

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

Information

... points out useful tips, recommendations and information

for efficient and trouble-free operation.

1. General information

8WIKA operating instructions gas-actuated thermometer, model TGU73.100

14602074.02 07/2023 EN/DE

2. Short overview and product pass

2.1 Overview

1Case

2Dial

3Sensor PCB

4Stem

5Radio unit, model NETRIS®3, for connection type: Angular connector

→ See operating instructions of model NETRIS®3

6NETRIS®3 plug connection for angular connectors

7Pointer

2.2 Description

Through its modular structure, the model TGU73.100 gas-actuated

thermometer is designed for operation with the model NETRIS®3 radio

unit.

The gas-actuated thermometer consists of a stem, capillary, bourdon

tube and transmitter in the case.These parts are combined to form a

single unit.The entire measuring system is filled with an inert gas under

pressure.











2. Short overview and product pass

WIKA operating instructions gas-actuated thermometer, model TGU73.100

14602074.02 07/2023 EN/DE

Any change in temperature causes a change in internal pressure in the

stem, and thus a change in the shape of the pressure element.

This motion is converted, via a mechanical movement, into a rotational

motion. A magnet on the pointer shaft rotates proportionally to the

instrument pointer as a direct linear function of the process tempera-

ture.

The angle sensor contained in the transmitter electronics measures

the rotational motion of the magnet in the range 0 ... 270°. The change

in angle is recorded contact-free, and therefore wear-free, and further

processed into a digital signal, which is transmitted to the model

NETRIS®3 radio unit.The radio unit ensures the intrinsically safe

voltage supply for the TGU73.100 gas-actuated thermometer and

ensures the transmission of the measured data based on LPWAN

technology ("Low Power Wide Area Network").

The measurement and sending intervals, and also the alarm limits, for

particular measured values can be configured over the IIoT platform.

→ For details on the alarm configuration, see Special documentation for

LoRaWAN®communication specification, model TGU73.100.

Variations in the ambient temperature acting on the case are compen-

sated for by a bimetal element mounted between the movement and

the measuring tube.

The mechanical on-site indication works completely autonomously, i.e.

battery-independent.

Accuracy class

After tapping on the case, the indication meets accuracy class 2.0 in

accordance with EN 13190.

Ex version

The model TGU73.100 is suitable for use in hazardous areas.

2. Short overview and product pass

10 WIKA operating instructions gas-actuated thermometer, model TGU73.100

14602074.02 07/2023 EN/DE

2.3 Scope of delivery

■Gas-actuated thermometer for connection to WIKA radio unit

■Operating instructions for gas-actuated thermometers for connec-

tion to the WIKA NETRIS®3 radio unit, model TGU73.100

■Protective cap for plug connection

■Seal in plug connection for angular connector (inserted)

Cross-check scope of delivery with delivery note.

2.4 Product pass

The product pass is a web application where various informa-

tion about an instrument can be retrieved by entering the 11-digit

alphanumeric serial number. This includes, for example, instrument

configuration, article number, operating instructions, data sheet or

calibration certificates.The product pass can be retrieved from the

product page or directly from the corresponding web application

(https://portal.wika.com/serial/).

Web application

2. Short overview and product pass

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