All rights reserved. It is prohibited to reproduce this documentation, or any part thereof, without
the prior written authorisation of KROHNE Messtechnik GmbH.
8.3.2 UFC 030 signal converter...................................................................................................... 67
9 Notes68
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1.1 Software history
Release dateHardwareSoftwareDocumentation
1990-052134721100-200μP2: 90-05MA UFM 530 HT R01
1.2 Intended use
CAUTION!
Responsibility for the use of the measuring devices with regard to suitability, intended use and
corrosion resistance of the used materials against the measured fluid lies solely with the
operator.
INFORMATION!
The manufacturer is not liable for any damage resulting from improper use or use for other than
the intended purpose.
SAFETY INSTRUCTIONS 1
microcontroller: 01.13
DSP: 10.20
This product is designed for the measurement of liquids with high temperatures
up to 500°C / 932°F (Ex hazardous areas are limited to 440°C / 824°F).
1.3 Certifications
1.3.1 CE-certification
The device fulfils the statutory requirements of the following EC directives:
• Low voltage directive (73/23/EEC), product is designed in accordance with EN IEC 61010-1
first and second edition (safety requirements for electrical equipment for measurement,
control and laboratory use part 1).
• Pressure equipment directive (Module H of 97/23/EC, full quality assurance).
• ATEX directive (94/9/EC)
DANGER!
Local safety regulations shall be observed in combination with the measures special to this
product to avoid dangerous situations.
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1 SAFETY INSTRUCTIONS
1.4 Safety instructions from the manufacturer
1.4.1 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.
UFM 530 HT
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.
1.4.2 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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1.4.3 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.
1.4.4 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.
SAFETY INSTRUCTIONS 1
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1 SAFETY INSTRUCTIONS
1.4.5 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.
UFM 530 HT
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.
1.5 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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2.1 Scope of delivery
INFORMATION!
Do a check of the packing list to make sure that you have all the elements given in the order.
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.
DEVICE DESCRIPTION 2
Figure 2-1: Standard scope of delivery, independent from the sensor version illustrated below
1 Signal converter UFC 030 in ordered version
2 Product documentation
3 Factory calibration report
4 Special wrench for opening the converter housing
5 Signal cable
INFORMATION!
Assembly materials and tools are not part of the delivery. Use the assembly materials and tools
in compliance with the applicable occupational health and safety directives.
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2 DEVICE DESCRIPTION
2.2 Device description
The UFM 530 HT is a bi-directional flowmeter (the arrow on the flowmeter indicates the positive
direction). It consists of a UFS 500 HT flow sensor and an UFC 030 signal converter.
The signal converter is installed separately from the high-temperature flow sensor.
The flow sensor is designed for process temperatures between -25...+500°C / -13...+932°F (Ex
hazardous areas are limited to -25...+440°C / -13...+824°F) and is manufactured from
316 stainless steel. Depending on the diameter it uses single beam or dual beam technology. All
coax cables are protected with metal tubes. On top of the flow sensor a connection box is
mounted.
INFORMATION!
Other diameters, pressure classes, materials or customized designs are available on request.
UFM 530 HT
Figure 2-2: Available sensor versions
1 Building construction "single beam" (DN25...40)
2 Building construction "single beam" (DN50...80)
3 Building construction "dual beam" (≥DN100)
2.3 Nameplates
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
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2.4 Example nameplate
DEVICE DESCRIPTION 2
Figure 2-3: Example of nameplate
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3 INSTALLATION
3.1 General 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.
Check for the correct supply voltage printed on the nameplate.
3.2 Storage
• Store the device in a dry, dust-free location.
• Avoid continuous direct sunlight.
• Store the device in its original packaging.
• Storage temperature: -50...+70°C / -58...+158°F
UFM 530 HT
3.3 Transport
Figure 3-1: Correct lifting with the help of straps or crane hooks.
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3.4 Inlet and outlet
INFORMATION!
To avoid measuring errors and to get proper measuring results an inlet section upstream and an
outlet section downstream is necessary. Regard the following illustration and table and regard
the information for different fluid products:
Figure 3-2: Recommended straight inlet and outlet
1 DN25...80: ≥ 50 DN
DN100...300: ≥ 15 DN
2 DN25...80: ≥ 10 DN
DN100...300: ≥ 5DN
INSTALLATION 3
INFORMATION!
Different fluid products
Different fluid products
Different fluid productsDifferent fluid products
To mix different fluid products, install the flow meter upstream of mixing point or at minimum
distance of 30 DN downstream of the mixing point.
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3 INSTALLATION
3.5 Mounting
3.5.1 Mounting position of the flow sensor
Installation of the flow sensor is allowed in horizontal, slightly ascending and vertical pipe
sections with up going flow direction (see next section). If installed in a horizontal or slightly
ascending pipeline, the connection box of the flow sensor has to be up or down.
UFM 530 HT
Figure 3-3: Allowed position of the flow sensor (up and down)
WARNING!
Do not unscrew the flanged transducer construction. This will cause direct contact with the high
temperature liquid running through the flow sensor.
3.5.2 Mounting location of the flow sensor
INFORMATION!
For proper flow measurement the measuring tube must be completely filled at all times. When
the sensors become non-wetted, a loss of signal message will be displayed. There is no damage
when this occurs.
Observe the following precautions to avoid measuring errors or malfunctioning of the flow meter
due to gas or air inclusions or an empty pipe.
Since gas will collect at the highest point of a pipe, installation of the flowmeter at that location
should always be avoided. In long horizontal pipes the flow meter has to be installed in a slightly
ascending pipe section. If not possible, ensure adequate velocity to prevent air, gas or vapour
from collecting in the upper part of the flow tube.
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INSTALLATION 3
Figure 3-4: Avoid locations where gas can be present.
Also installation in a down going pipe should be avoided since a completely filled pipe may not be
guaranteed due to cascading effects. Additionally flow profile distortion is possible.
Figure 3-5: Avoid locations where gas can be present
Figure 3-6: Ensure you have a completely filled pipe.
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3 INSTALLATION
Figure 3-7: Air vent
1 Level difference > 5 m / 16 ft
2 Install an air vent.
UFM 530 HT
Figure 3-8: Install control valve downstream of the flow meter.
Figure 3-9: Install pump upstream of flowmeter.
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Figure 3-10: Avoid installation in vibrating pipelines.
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3.5.3 Insulation
WARNING!
Complete insulation of the UFS 500 HT flow sensor is prohibited. Insulation is allowed up to the
first flange of each transducer.
WARNING!
The connection box and the flanged transducers require adequate cooling by ambient air and
must be protected against heat radiation by surrounding equipment.
INSTALLATION 3
Figure 3-11: Approved insulations.
1 Building construction "single beam" for DN25...40
2 Building construction "single beam" for DN50...80
3 Building construction "dual beam" for ≥ DN100
3.5.4 Pipe flanges
INFORMATION!
Refer to dimensional drawings for flange spacing and in addition allowance for thickness of
gaskets.
Figure 3-12: Maximum deviation between flanges
1 L
max
2 L
min
CAUTION!
Max. permissible deviation of pipe flange faces:
- L
L
max
≤ 0.5 mm / 0.02"
min
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3 INSTALLATION
3.5.5 Pipes with cathodic protection
Pipes with electric corrosion protection are generally insulated inside and outside so that the
fluid has no conductive connection to the ground. The flow meter must be insulated from the
pipe. Observe the following instructions when installing the flow meter:
• The pipe flanges must be connected to each other using a copper cable (L), but must not be
connected to the flowmeter.
• The bolts for the flange connections and the gaskets must be insulated. Use sleeves and
washers that are made of insulating material (these must be provided by customer).
UFM 530 HT
Figure 3-13: Cathodic protection
1 Flanges (left one: of flow sensor, right one: of pipe)
2 Nut
3 Washer
4 Insulating sleeve
5 Bolt
6 Gasket
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4.1 Safety instructions
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
DANGER!
Observe the national regulations for electrical installations!
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
ELECTRICAL CONNECTIONS 4
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
4.2 Power supply of the converter
Environmental conditions
The flowmeter is designed to operate safe under the following conditions. Observe them before
the connection to the mains supply voltage is established:
• Indoor and outdoor use, usable up to protection category IP67 according to IEC 60529
(Note: IP67 is only warranted when using suitable cabling with the cable glands and covers
mounted as specified).
• Maximum altitude: up to 2000 m above see level.
• Maximum relative humidity: up to 80%.
• Operation ambient temperature range: -40...+65°C.
• Storage temperature range: -40...+70°C.
CAUTION!
Never allow dirt to accumulate on the gasket of the rear (blind) cover. A dirty gasket has to be
cleaned, a damaged gasket must be replaced immediately.
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4 ELECTRICAL CONNECTIONS
Before the cables can be fastened to the power supply terminal, the rear (blind) cover has to be
removed.
Figure 4-1: Terminals for power supply
UFM 530 HT
Item number FunctionSpecification
1Neutral power supply.
2Life power supply.Mains voltage AC supply: 100 VAC < U < 240 VAC (-15%, +10%),
Protective conductor clamp terminal. Conductors up to
4mm2(11 AWG) need to be connected to this terminal.
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4.3 Connection of signal cables
Connect the signal cable from the connection box of the UFS 500 HT sensor to the UFC 030
signal converter according to underneath drawings for the single beam and dual beam
construction.
ELECTRICAL CONNECTIONS 4
Figure 4-2: Connection of the sensor cables for dual beam (left) and
single beam (right) building construction (sensor side)
Figure 4-3: Connection of the sensor cables, converter side
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