All rights reserved. It is prohibited to reproduce this documentation, or any part thereof, without
the prior written authorisation of KROHNE Messtechnik GmbH.
7.6 Electrical data for outputs and inputs of the Ex versions.............................................. 45
7.7 RTD and T/C accuracy table ........................................................................................... 46
4
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OPTITEMP TT 30 C/R
1.1 Intended use
DANGER!
You may only use transmitters labelled with the "Ex" symbol in potentially explosive areas or
connect them to a sensor located in those areas. Additionally always note the zone(s) for which
the devices have an approval. Otherwise the transmitters might cause an explosion that can
result in fatal injuries.
DANGER!
Responsibility for the correct use of the devices with special regard to suitability, intended use
and the field of application lies solely with the operator. To avoid any kind of incorrect use, also
note the information in the chapter "Device description".
DANGER!
The transmitters do not contain any serviceable parts inside. Any substitution of components
may impair the intrinsic safety of the versions with an Ex approval. Always send defective devices
to the manufacturer or the local distributor for repair or exchange. If this is the case, attach a
clear description of the malfunction for warranty claims.
SAFETY INSTRUCTIONS 1
INFORMATION!
The manufacturer is not liable for any damage resulting from improper use or use for other than
the intended purpose. To avoid any kind of incorrect use, also note the information in the chapter
"Device description"!
The manufacturer has constructed these transmitters for usage in an industrial environment
and for the following measurements:
• Temperature measurements with resistance thermometers
• Temperature measurements with thermocouples
• Temperature difference measurements with resistance thermometers
• Voltage measurements in a range up to 500 mV
• Measurements with potentiometers
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1 SAFETY INSTRUCTIONS
1.2 Certifications
1.2.1 EC directive compliance
CE marking
The device fulfils all applicable statutory requirements of the following EC directives:
• EMC Directive 2004/108/EC, harmonized standard EN 61326-1:2006
• Devices for use in hazardous areas: ATEX Directive 94/9/EC, harmonized standards
EN 60079-0:2006, EN 60079-11:2007 and EN 60079-26:2007
• CE Directive 93/68/EEC
The manufacturer certifies successful testing of the product by applying the CE marking.
See also "Special conditions for safe use" in the ATEX certificates in the download area of the
manufacturer's website.
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1.3 Safety instructions from the manufacturer
1.3.1 Copyright and data protection
The contents of this document have been created with great care. Nevertheless, we provide no
guarantee that the contents are correct, complete or up-to-date.
The contents and works in this document are subject to copyright. Contributions from third
parties are identified as such. Reproduction, processing, dissemination and any type of use
beyond what is permitted under copyright requires written authorisation from the respective
author and/or the manufacturer.
The manufacturer tries always to observe the copyrights of others, and to draw on works created
in-house or works in the public domain.
The collection of personal data (such as names, street addresses or e-mail addresses) in the
manufacturer's documents is always on a voluntary basis whenever possible. Whenever
feasible, it is always possible to make use of the offerings and services without providing any
personal data.
SAFETY INSTRUCTIONS 1
We draw your attention to the fact that data transmission over the Internet (e.g. when
communicating by e-mail) may involve gaps in security. It is not possible to protect such data
completely against access by third parties.
We hereby expressly prohibit the use of the contact data published as part of our duty to publish
an imprint for the purpose of sending us any advertising or informational materials that we have
not expressly requested.
1.3.2 Disclaimer
The manufacturer will not be liable for any damage of any kind by using its product, including,
but not limited to direct, indirect or incidental and consequential damages.
This disclaimer does not apply in case the manufacturer has acted on purpose or with gross
negligence. In the event any applicable law does not allow such limitations on implied warranties
or the exclusion of limitation of certain damages, you may, if such law applies to you, not be
subject to some or all of the above disclaimer, exclusions or limitations.
Any product purchased from the manufacturer is warranted in accordance with the relevant
product documentation and our Terms and Conditions of Sale.
The manufacturer reserves the right to alter the content of its documents, including this
disclaimer in any way, at any time, for any reason, without prior notification, and will not be liable
in any way for possible consequences of such changes.
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1 SAFETY INSTRUCTIONS
1.3.3 Product liability and warranty
The operator shall bear responsibility for the suitability of the device for the specific purpose.
The manufacturer accepts no liability for the consequences of misuse by the operator. Improper
installation and operation of the devices (systems) will cause the warranty to be void. The
respective "Standard Terms and Conditions" which form the basis for the sales contract shall
also apply.
1.3.4 Information concerning the documentation
To prevent any injury to the user or damage to the device it is essential that you read the
information in this document and observe applicable national standards, safety requirements
and accident prevention regulations.
If this document is not in your native language and if you have any problems understanding the
text, we advise you to contact your local office for assistance. The manufacturer can not accept
responsibility for any damage or injury caused by misunderstanding of the information in this
document.
This document is provided to help you establish operating conditions, which will permit safe and
efficient use of this device. Special considerations and precautions are also described in the
document, which appear in the form of underneath icons.
OPTITEMP TT 30 C/R
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1.3.5 Warnings and symbols used
Safety warnings are indicated by the following symbols.
DANGER!
This information refers to the immediate danger when working with electricity.
DANGER!
This warning refers to the immediate danger of burns caused by heat or hot surfaces.
DANGER!
This warning refers to the immediate danger when using this device in a hazardous atmosphere.
DANGER!
These warnings must be observed without fail. Even partial disregard of this warning can lead to
serious health problems and even death. There is also the risk of seriously damaging the device
or parts of the operator's plant.
SAFETY INSTRUCTIONS 1
WARNING!
Disregarding this safety warning, even if only in part, poses the risk of serious health problems.
There is also the risk of damaging the device or parts of the operator's plant.
CAUTION!
Disregarding these instructions can result in damage to the device or to parts of the operator's
plant.
INFORMATION!
These instructions contain important information for the handling of the device.
LEGAL NOTICE!
This note contains information on statutory directives and standards.
• HANDLING
HANDLING
HANDLINGHANDLING
This symbol designates all instructions for actions to be carried out by the operator in the
specified sequence.
iRESULT
RESULT
RESULTRESULT
This symbol refers to all important consequences of the previous actions.
1.4 Safety instructions for the operator
WARNING!
In general, devices from the manufacturer may only be installed, commissioned, operated and
maintained by properly trained and authorized personnel.
This document is provided to help you establish operating conditions, which will permit safe and
efficient use of this device.
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2 DEVICE DESCRIPTION
2.1 Scope of delivery
The scope of delivery always consists of the transmitter and its documentation.
2.2 General description
TT 30 C
TT 30 C
TT 30 CTT 30 C
The TT 30 C is an intelligent, digital 2-wire universal in-head transmitter for temperature
measurements and other measurement applications in an industrial environment. For further
information about the possible measurements refer to
The in-head transmitter is optionally available in an intrinsically safe version for installation in
potentially explosive areas. These devices wear the "Ex" symbol and have an approval for
mounting into classified hazardous area, Zone 0, 1 and 2.
All in-head versions are intended for installation in a "B connection head" or larger according to
DIN 43729. As an alternative you can also mount the in-head version on a rail according to
DIN EN 50022 with the help of the rail installation kit (for further information refer to
mounting kit for in-head transmitters
transmitter with an Ex approval with sensors in potentially explosive areas, if the transmitter is
installed in the safe area (though this case is very uncommon).
OPTITEMP TT 30 C/R
Intended use
on page 5.
Rail
on page 15). In this way you may operate an in-head
TT 30 R
TT 30 R
TT 30 RTT 30 R
The TT 30 R is an intelligent, digital 2-wire universal rail-mount transmitter with the same
features as the in-head version.
The rail-mount transmitter is optionally available in an intrinsically safe version for installation
into safe area with the input (for sensors) connected to potentially explosive areas. All devices
with an Ex approval wear the "Ex" symbol.
The rail-mount transmitter is intended for installation on a rail according to DIN 50022.
PC configuration
You can configure the devices with the help of a PC and the software "OPTITEMP TempSoft". The
current version of the software is available in the download area of the manufacturer's website.
After PC configuration no further calibration is required.
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2.3 Nameplate
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
The transmitter can be identified by the information on the nameplates.
2.3.1 In-head transmitter (Non-Ex)
Figure 2-1: Nameplate of in-head transmitter (Non-Ex)
1 Product name
2 Part number
3 Year and week of manufacturing / batch number
4 Manufacturer and address
5 Website of manufacturer
6 Space for configuration data sticker
7 CE marking (EC conformity)
8 WEEE dustbin symbol
DEVICE DESCRIPTION 2
2.3.2 In-head transmitter (Ex)
Figure 2-2: Nameplate 1 of in-head transmitter (Ex)
1 Product name
2 Symbol for Ex-approval
3 Part number
4 Year and week of manufacturing / batch number
5 Manufacturer and address
6 Website of manufacturer
7 Space for configuration data sticker
8 CE marking (EC conformity)
9 WEEE dustbin symbol
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2 DEVICE DESCRIPTION
Figure 2-3: Nameplate 2 of in-head transmitter (Ex)
1 Product name
2 Symbol for Ex-approval
3 ATEX approval
4 Temperature classes
5 Manufacturer and address
6 Ex-relevant electrical data
7 Supplementary Ex-data
2.3.3 Rail-mount transmitter (Non-Ex)
OPTITEMP TT 30 C/R
12
Figure 2-4: Nameplate of rail-mount transmitter (Non-Ex)
1 Product name
2 Top down: part number, year and week of manufacturing, batch number
3 Space for configuration data sticker
4 Manufacturer and address
5 Website of manufacturer
6 CE marking (EC conformity)
7 WEEE dustbin symbol
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2.3.4 Rail-mount transmitter (Ex)
Figure 2-5: Nameplate of rail-mount transmitter (Ex)
1 Product name and symbol for Ex-approval
2 Top down: part number, year and week of manufacturing, batch number
3 Manufacturer and address
4 Space for configuration data sticker
5 Top down: ATEX approval, supplementary Ex-data, maximum ambient temperature
6 Ex-relevant electrical data
7 WEEE dustbin symbol
DEVICE DESCRIPTION 2
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3 INSTALLATION
3.1 Notes on installation
INFORMATION!
Inspect the cartons carefully for damages or signs of rough handling. Report damage to the
carrier and to the local office of the manufacturer.
INFORMATION!
Do a check of the packing list to make sure that you have all the elements given in the order.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
3.2 In-head transmitter (Ex and Non-Ex)
DANGER!
Never install or operate the Non-Ex version in potentially explosive areas, it might cause an
explosion that can result in fatal injuries! Only use the Ex version in potentially explosive areas!
Also note the following items which concern the Ex version:
OPTITEMP TT 30 C/R
•
It must be installed in a housing that has the protection category IP20 or better according
to DIN IEC 60529. Additionally the magnesium component of the housing must not exceed 6%
as a higher magnesium component may increase the flammability and the Ex capability.
•
If it is mounted in a housing which is isolated from the ground and can be charged to an
ignition capable level, then the housing must be electrostatically grounded when installed in
hazardous areas.
•
It is approved for potentially explosive areas in zone 0, 1 and 2.
•
It must be supplied by an intrinsically safe power supply unit or a Zener barrier placed
outside of the potentially explosive area.
CAUTION!
The manufacturer has developed the Non-Ex version for an operating temperature range of
°
-40...+85
C / -40...+185°F (the Ex version has the same ambient temperature range). To avoid
destruction or damage of the device, always assure that the operating temperature or the
ambient temperature does not exceed the permissible range and note the following items:
•
If you operate the Ex version in potentially explosive areas, the ambient temperature also
depends on the temperature class. For detailed information refer to the section about the
temperature data for potentially explosive areas on page 42
The thermowell also transfers the process temperature to the transmitter housing. If the
•
.
process temperature is close to or exceeds the maximum temperature of the transmitter,
then the temperature in the transmitter housing can rise above the maximum permissible
temperature!
14
One way to decrease the heat transfer via the thermowell is to install the transmitter farther
away from the heat source. An alternative is to make the thermowell longer. Inversely you can
take similar measures if the temperature is below the specified minimum temperature.
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The in-head transmitters (Ex and Non-Ex version) are intended for installation in DIN B
connection heads or larger. The large Ø7 mm / 0.28" center hole facilitates the electrical
connection of the measurement sensor and the installation (for detailed information refer to the
chapter "Dimensions and weights"). The following drawing shows the installation of the in-head
transmitter with the help of the connection head installation kit:
INFORMATION!
The connection head installation kit does not belong to the standard scope of delivery of the
transmitter, you have to order it separately. For more information refer to Accessory parts on
page 31
INSTALLATION 3
.
Figure 3-1: Connection head installation kit
1 M4 screw
2 Spring
3 Lock washer
4 Wires of measuring insert
5 Sheath
3.3 Rail mounting kit for in-head transmitters
DANGER!
To avoid fatal injuries, destruction or damage of the transmitter, always note the relevant
admonitions in the previous section if you install the in-head-transmitter on a rail!
INFORMATION!
The rail mounting kit allows to install the in-head transmitter on a rail according to DIN 50022.
The kit does not belong to the standard scope of delivery, you have to order it separately. For
more information refer to the section about the accessory parts in the chapter "Service".
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