MR MESSKO MT-ST Compact Manual de usuario
Pointer Thermometer
MESSKO® MT-ST Compact /
MESSKO® MT-ST Compact RM
Operating Instructions
BA5831400-00 EN
© All rights reserved by Messko GmbH
Dissemination and reproduction of this document and use and disclosure of its
content are strictly prohibited unless expressly permitted.
Infringements will result in liability for compensation. All rights reserved in the event
of the granting of patents, utility models or designs.
The product may have been altered since this document was published.
We reserve the right to change the technical data, design and scope of supply.
Generally the information provided and agreements made when processing the
individual quotations and orders are binding.
The original operating instructions were written in German.
Table of contents
3BA5831400-00 EN
1 Introduction...........................................................................6
1.1 Manufacturer.................................................................................... 6
1.2 Completeness.................................................................................. 6
1.3 Safekeeping..................................................................................... 6
1.4 Notation conventions ....................................................................... 6
1.4.1 Hazard communication system .................................................................... 6
1.4.2 Information system....................................................................................... 8
1.4.3 Instruction system ........................................................................................ 8
1.4.4 Typographic conventions ............................................................................. 9
2 Safety...................................................................................10
2.1 Appropriate use ............................................................................. 10
2.2 Fundamental Safety Instructions ................................................... 11
2.3 Personnel qualification................................................................... 13
2.4 Personal protective equipment ...................................................... 14
3 Product description............................................................16
3.1 Scope of delivery ........................................................................... 16
3.2 Function description....................................................................... 16
3.3 Design............................................................................................ 18
3.3.1 MESSKO Compact Standard pointer thermometer ................................... 18
3.3.2 MESSKO Compact RM pointer thermometer ............................................ 19
3.3.3 Cable glands/adapters ............................................................................... 20
3.3.4 Ventilation .................................................................................................. 21
3.3.5 Temperature sensor................................................................................... 22
3.4 Versions......................................................................................... 22
3.5 Safety markings ............................................................................. 24
3.6 Nameplate ..................................................................................... 25
4 Packaging, transport and storage ....................................26
4.1 Purpose ......................................................................................... 26
Table of contents
4 BA5831400-00 EN
4.2 Suitability, structure and production............................................... 26
4.3 Markings ........................................................................................ 26
4.4 Transportation, receipt and handling of shipments........................ 26
4.5 Storage of shipments..................................................................... 28
4.6 Further transport ............................................................................ 28
5 Installation and commissioning........................................29
5.1 Transporting in the installed state.................................................. 30
5.2 Checking measured temperature values ....................................... 30
5.3 Mounting the pointer thermometer................................................. 31
5.3.1 Attaching the pointer thermometer to the transformer ............................... 31
5.3.2 Securing the capillary line .......................................................................... 35
5.3.3 Inserting the temperature sensor ............................................................... 35
5.3.4 Inserting the No.7 RM temperature sensor ............................................... 38
5.3.5 Attaching the step protection (optional)...................................................... 39
5.4 Electrical connection...................................................................... 40
5.4.1 Preparation................................................................................................. 40
5.4.2 Removing the bayonet seal ring................................................................. 44
5.4.3 Opening the cover plate ............................................................................. 45
5.4.4 Preparing the cables .................................................................................. 45
5.4.5 Protective conductor connection ................................................................ 53
5.4.6 Connecting the micro-switches .................................................................. 55
5.4.7 Connecting the analog sensor (optional/TT version) ................................. 59
5.4.8 Connecting cable glands/NPT adapters..................................................... 60
5.5 Checking micro-switches ............................................................... 61
5.5.1 Micro-switch to the right of the pointer ....................................................... 61
5.5.2 Micro-switch to the left of the pointer ......................................................... 62
5.6 Setting temperature gradients (winding temperature) ................... 64
5.6.1 Gradient setting by heating current ............................................................ 64
5.6.2 Gradient setting by resistance value .......................................................... 68
Table of contents
5BA5831400-00 EN
5.7 Connecting the current transformer (winding temperature) ........... 73
5.8 Closing the cover plate .................................................................. 74
5.9 Positioning the bayonet seal ring................................................... 75
6 Operation.............................................................................76
6.1 Resetting drag hands..................................................................... 76
7 Maintenance, inspection and care ....................................77
8 Disposal...............................................................................78
9 Technical data.....................................................................79
9.1 Ambient conditions ........................................................................ 79
9.2 Technical data ............................................................................... 79
10 Appendix .............................................................................83
10.1 Compact pointer thermometer dimensions.................................... 83
10.2 Compact RM pointer thermometer dimensions ............................. 84
10.3 Temperature sensor ...................................................................... 85
10.4 Step protection............................................................................... 86
10.5 Vibration-damping plate/Mounting plate ........................................ 87
10.6 Cable gland dimensions ................................................................ 88
1 Introduction
6 BA5831400-00 EN
This technical document contains detailed descriptions on the safe and
proper installation, connection, commissioning and monitoring of the prod-
uct.
This technical document is intended solely for specially trained and autho-
rized personnel.
1.1 Manufacturer
The product is manufactured by:
Messko GmbH
Gewerbegebiet An den Drei Hasen
Messko-Platz 1
61440 Oberursel
Germany
Phone: +49 6171 6398-0
E-mail: [email protected]
Internet: www.reinhausen.com/messko
Further information on the product and copies of this technical document are
available from this address if required.
1.2 Completeness
This technical file is incomplete without the supporting documents:
▪ Order confirmation
1.3 Safekeeping
Keep this technical file and all supporting documents ready at hand and ac-
cessible for future use at all times.
1.4 Notation conventions
This section contains an overview of the symbols and textual emphasis
used.
1.4.1 Hazard communication system
Warnings in this technical file are displayed as follows.
1 Introduction
7BA5831400-00 EN
1.4.1.1 Warning relating to section
Warnings relating to sections refer to entire chapters or sections, sub-sec-
tions or several paragraphs within this technical document. Warnings relat-
ing to sections have the following format:
WARNING
Type of danger!
Source of the danger and its consequences.
► Action
► Action
1.4.1.2 Embedded warning information
Embedded warnings refer to a particular part within a section. These warn-
ings apply to smaller units of information than the warnings relating to sec-
tions. Embedded warnings use the following format:
DANGER! Instruction for avoiding a dangerous situation.
1.4.1.3 Signal words and pictograms
The following signal words are used:
Signal word Definition
DANGER Indicates a hazardous situation which, if not avoided, will result in
death or serious injury.
WARNING Indicates a hazardous situation which, if not avoided, could result
in death or serious injury.
CAUTION Indicates a hazardous situation which, if not avoided, could result
in minor or moderate injury.
NOTICE Indicates measures to be taken to prevent damage to property.
Table1: Signal words in warning notices
1 Introduction
8 BA5831400-00 EN
Pictograms warn of dangers:
Pictogram Definition
Warning of a danger point
Warning of dangerous electrical voltage
Warning of combustible substances
Warning of a tipping hazard
Warning of a hot surface
Table2: Pictograms used in warning notices
1.4.2 Information system
Information is designed to simplify and improve understanding of particular
procedures. In this technical file it is laid out as follows:
Important information.
1.4.3 Instruction system
This technical file contains single-step and multi-step instructions.
1 Introduction
9BA5831400-00 EN
Single-step instructions
Instructions which consist of only a single process step are structured as fol-
lows:
Aim of action
üRequirements (optional).
► Step 1 of 1.
ðResult of step (optional).
ðResult of action (optional).
Multi-step instructions
Instructions which consist of several process steps are structured as follows:
Aim of action
üRequirements (optional).
1. Step 1.
ðResult of step (optional).
2. Step 2.
ðResult of step (optional).
ðResult of action (optional).
1.4.4 Typographic conventions
The following typographic conventions are used in this technical file:
Typographic convention Purpose Example
UPPERCASE Operating controls,
switches
ON/OFF
[Brackets] PC keyboard [Ctrl] + [Alt]
Bold Software operating con-
trols
Press Continue button
…>…>… Menu paths Parameter > Control pa-
rameter
Italics System messages, error
messages, signals
Function monitoring alarm
triggered
[► Number of pages]. Cross reference [► 41].
Table3: Typographic conventions
2 Safety
10 BA5831400-00 EN
This technical document contains detailed descriptions on the safe and
proper installation, connection, commissioning and monitoring of the prod-
uct.
▪ Read this technical file through carefully to familiarize yourself with the
product.
▪ This technical file is a part of the product.
▪ Read and observe the safety instructions provided in this chapter in partic-
ular.
▪ Observe the warnings in this technical file in order to avoid function-re-
lated dangers.
▪ The product is manufactured on the basis of state-of-the-art technology.
Nevertheless, risks to life and limb for the user or impairment of the prod-
uct and other material assets may arise in the event of improper use.
2.1 Appropriate use
The pointer thermometer measures the temperature in transformers, shunt
reactors and similar devices. The product is intended exclusively for use in
large stationary plants and facilities of electrical power engineering. If used
as intended and in compliance with the requirements and conditions speci-
fied in this technical document as well as the warning notices contained in
this technical document and attached to the product, the product does not
pose risk of personal injury or damage to property or the environment. This
applies throughout the entire service life of the product, from delivery, instal-
lation and operation to removal and disposal.
Intended use refers to the following:
▪ Use the product only with the transformer specified in the order.
▪ Operate the product in accordance with this technical document, the
agreed-upon delivery conditions and the technical data.
▪ Ensure that any necessary work is only performed by qualified personnel.
▪ Use the equipment and special tools supplied solely for the intended pur-
pose and in accordance with the specifications of this technical document.
▪ Operate the product in electrical energy systems and facilities.
▪ Only operate the product in industrial areas.
▪ Observe the notices in this technical document regarding electromagnetic
compatibility and the technical data.
Este manual sirve para los siguientes modelos
1
Tabla de contenidos
Otros manuales de Termómetro de MR
