ISOIL Isoflux IFX-F100 User manual

IFX-F100
Ultrasonic clamp-on Flow Transmitter
Flow_Transmitter_IFX-F100_EN_2018_March_Rev.00

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IFX-F100
Operating Instructions
Index
Page
1Safety instructions................................................................................4
1.1 Symbols used in these operating instructions..................................4
1.2 Safety instructions ...........................................................................5
2Introduction ..........................................................................................6
2.1 How to order....................................................................................7
3Installation ............................................................................................8
3.1 Unpacking and storage ....................................................................8
3.1.1 Unpacking ................................................................................8
3.1.2 Storage......................................................................................8
3.1.3 Identification of components....................................................8
3.2 Clamp-on sensor installation ...........................................................9
3.3 Installation location .......................................................................10
3.4 Pipe preparation.............................................................................12
3.5 Clamp-on sensor mounting configurations and distance...............12
3.6 Flowmeter installation ...................................................................14
3.6.1 Outline dimensions.................................................................14
3.6.2 Electrical connections ............................................................15
3.7 Clamp-on sensor mounting............................................................16
3.7.1 Sensor pipe mounting configurations.....................................17
3.7.2 Acoustic coupling gel.............................................................17
3.7.3 Correct positioning of the sensors..........................................17
3.7.4 Sensor mounting with tension straps......................................18
4Operation ............................................................................................19
4.1 Switching On/Off ..........................................................................19
4.2 Keypad and display .......................................................................19
4.2.1 Keypad key functions (internal keypad) ................................19
4.2.2 Display functions ...................................................................20
4.3 Quick setup wizard ........................................................................21
4.4 Measurements................................................................................24
4.4.1 Main process value (PV) display ...........................................24
4.4.2 Diagnostic displays ................................................................25
4.4.3 Totalisers ................................................................................25

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4.4.4 Datalogger ..............................................................................25
5Commissioning ...................................................................................25
5.1 Menu structure...............................................................................25
5.2 Diagnostics ....................................................................................31
5.3 Display settings .............................................................................31
5.3.1 Main PV .................................................................................31
5.4 Output settings...............................................................................31
5.4.1 Serial interface RS 232...........................................................31
5.4.2 Serial interface RS 485 / Modbus RTU..................................31
5.4.3 HART compatible output .......................................................32
5.4.4 Analogue current output 0/4 ... 20 mA...................................32
5.4.5 Analogue voltage output 0 – 10 v ..........................................33
5.4.6 Analogue frequency output (passive).....................................33
5.4.7 Digital open collector output..................................................33
5.4.8 Digital relay output ................................................................33
5.5 Input configuration ........................................................................34
5.5.1 PT100 inputs ..........................................................................34
5.5.2 Analogue current input 0/4 ... 20 mA.....................................34
5.5.3 Heat quantity measurement (HQM) – [where installed]........34
5.6 Sound velocity measurement (SVM) ............................................35
5.7 Scope function (where provided) ..................................................35
6Maintenance........................................................................................36
6.1 Service/Repair ...............................................................................36
7Troubleshooting..................................................................................36
7.1 Data download difficulties.............................................................38
8Technical data.....................................................................................39
9Specification........................................................................................45
10 CE Declaration of Conformity..........................................................47

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<ESC>
1 Safety instructions
1.1 Symbols used in these operating instructions
Danger
This symbol represents an immediate hazardous situation which could result
in a serious injury, death or damage to the equipment. Where this symbol
is shown, do not use the equipment further unless you have fully understood
the nature of the hazard and have taken the required precautions.
Attention
This symbol indicates important instructions which should be respected in
order to avoid damaging or destroying the equipment. Follow the precautions
given in these instructions to avoid the hazard. Call our service team if nec-
essary.
Call service
Where this symbol is shown call our service team for advice if necessary.
Note
This symbol indicates a note or detailed set-up tip.
Information point.
Operator keys are printed in bold typeface and placed in pointed brackets.
!
!
•

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1.2 Safety instructions
•Do not install, operate or maintain this flowmeter without reading,
understanding and following these operating instructions, other-
wise injury or damage may result.
•Study these operating instructions carefully before the installation
of the equipment and keep them for future reference.
•Observe all warnings, notes and instructions as marked on the
packaging, on the equipment, and detailed in the operating in-
structions.
•Do not use the instrument under wet conditions with the battery
cover removed or opened.
•Follow the unpacking, storage and preservation instructions to
avoid damage to the equipment.
•Install the equipment and cabling securely and safely according
to the relevant regulations.
•If the product does not operate normally, please refer to the ser-
vice and troubleshooting instructions, or contact Isoil Industria for
help.

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2 Introduction
The IFX-F100 is a hand-held, battery operated ultrasonic flowmeter employ-
ing clamp-on sensors for the measurement of liquids in full, enclosed pipes.
Flow measurements can be undertaken without interruption of the process
or interference with the integrity of the pipeline. The clamp-on sensors are
attached to the outside of the pipes. The IFX-F100 uses ultrasonic signals
for measurement of the flow, employing the transit-time method.
Ultrasonic signals are emitted by a transducer installed on a pipe and re-
ceived by a second transducer. These signals are emitted alternately in the
direction of flow and against it. Because the medium is flowing, the transit
time of the sound signals propagating in the direction of flow is shorter than
the transit time of the signal propagating against the direction of flow. The
transit-time difference ΔT is measured and allows the determination of the
average flow velocity along the path of acoustic propagation. A profile cor-
rection is then performed to obtain the average flow velocity over the cross-
sectional area of the pipe, which is proportional to the volumetric flow rate.
Clamp-on
transit-time flowmeter
Illustration 1: Clamp-on ultrasonic sensor configuration
Measuring principle
Illustration 2: Transit-time measuring principle

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2.1 How to order

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3 Installation
3.1 Unpacking and storage
3.1.1 Unpacking
Care should be taken when opening the box containing the flowmeter, any
markings or warnings shown on the packaging should be observed prior to
opening. The following steps should then be taken:
•Unpack the flowmeter in a dry area;
•The flowmeter should be handled with care and not left in an area
where it could be subject to physical shocks;
•If using a knife to remove packaging care should be taken not to
damage the flowmeter or cables;
•The flowmeter package and contents should be checked against
the delivery note supplied and any missing items reported imme-
diately;
•The flowmeter package and contents should be checked for signs
of damage during transport and any problems reported immedi-
ately;
•The vendor accepts no responsibility for damage or injury caused
during the unpacking of the instrumentation supplied;
•Excess packing materials should be either recycled or disposed
of in a suitable way.
3.1.2 Storage
If storage is necessary, the flowmeter and sensors should be stored:
•in a secure location;
•away from water and harsh environmental conditions;
•in such a way, as to avoid damage;
•small items should be kept together in the bags and small plastic
boxes provided to avoid loss.
3.1.3 Identification of components
The following items are typically supplied (please refer to your delivery note
for a detailed description):
•IFX-F100 ultrasonic flow transmitter
•Clamp-on sensors (usually one or two pairs depending on pipe
sizes to be measured)
•Sensor connection cable(s) if not direct sensor connection
•Sensor mounting accessories
•Coupling component (optional)
•Operation instructions

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3.2 Clamp-on sensor installation
The correct selection of the sensor location is crucial for achieving reliable
measurements and a high accuracy. Measurement must take place on a pipe
in which sound can propagate (see Acoustic Propagation) and in which a
rotationally symmetrical flow profile is fully developed (see Straight Pipe
Lengths).
The correct positioning of the transducers is an essential condition for error-
free measurements. It guarantees that the sound signal will be received un-
der optimal conditions and evaluated correctly. Because of the variety of ap-
plications and the different factors influencing the measurement, there can
be no standard solution for the positioning of the transducers.
The correct position of the transducers will be influenced by the following
factors:
•diameter, material, lining, wall thickness and general condition of
the pipe;
•the medium flowing in the pipe;
•and the presence of gas bubbles and solid particles in the me-
dium.
Check that the temperature at the selected location is within the operating
temperature range of the transducers (see technical specification in the Ap-
pendix).
After the sensor location, has been selected, make sure that that supplied
cable is long enough to reach the flow transmitter mounting location. Ensure
that the temperature at the selected location is within the ambient operating
temperature range of the flow transmitter (see Specification)
Acoustic propagation is given when the flowmeter is able to receive sufficient
signal from the transmitted ultrasonic pulses. The signals are attenuated in
the pipe material, the medium and at each of the interfaces and reflections.
External and internal pipe corrosion, solid particles and gas content in the
medium do heavily contribute to signal attenuation.
Sufficient straight lengths of pipe on the inlet and outlet of the measuring
location guarantee an axi-symmetrical flow profile in the pipe for good meas-
urement accuracy. If insufficient straight lengths of pipe are available for your
application measurements are still obtainable, but the certainty of the meas-
urement can be reduced.
Acoustic propagation
Straight pipe lengths

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3.3 Installation location
Select an installation location following the recommendations in Table 1 and
try to avoid measuring:
•in the vicinity of deformations and defects of the pipe,
•near welding seams,
•where deposits could be building up in the pipe.
For a horizontal pipe:
Select a location where the transducers can be mounted on the side of the pipe, so that the sound waves emitted by the
transducers propagate horizontally in the pipe. In this way, the solid particles deposited on the bottom of the pipe and
the gas pockets developing at the top will not influence the propagation of the signal.
Correct
Incorrect
For a free inlet or outlet pipe section:
Select the measuring point at a location where the pipe cannot run empty.
Correct
Disadvantageous
Correct
Disadvantageous
For a vertical pipe:
Select the measuring point at a location where the liquid flows upward to ensure that the pipe is completely filled.
Correct
Incorrect
Look for a sensor installation location with sufficient straight pipe to obtain
accurate measurements. Please refer to Table 2 as a guideline for recom-
mended distances from disturbance sources.
Table 1: Recommendations for sensor mounting location

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Disturbance source: 90°-elbow
Inlet
Outlet
L  10 D
L  5 D
Disturbance source: 2 x 90°-elbows in one plane
Inlet
Outlet
L  25 D
L  5 D
Disturbance source: 2 x 90°-elbows in different planes
Inlet
Outlet
L  40 D
L  5 D
Disturbance source: T-section
Inlet
Outlet
L  50 D
L  10 D
Disturbance source: diffuser
Inlet
Outlet
L  30 D
L  5 D
Disturbance source: reducer
Inlet
Outlet
L  10 D
L  5 D

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Disturbance source: valve
Inlet
Outlet
L  40 D
L  10 D
Disturbance source: pump
Inlet
L  50 D
Table 2: Recommended distances from disturbance sources
3.4 Pipe preparation
•Clean dirt and dust from around the area of the pipework where
the sensors are to be placed;
•Remove loose paint and rust with a wire brush or file.
Firmly bonded paint does not necessarily need to be removed provided the
flowmeter diagnostics indicate sufficient signal strength.
3.5 Clamp-on sensor mounting configurations and
distance
The most common clamp-on sensor mounting configuration is the Reflection
Mode, sometimes known as V-Mode (see Illustration 3, sketch (1). Here, the
ultrasonic signal passes twice through the medium (2 signal passes). The
Reflection Mode is the most convenient mounting method as the transducer
separation distance can be measured easily and the sensors can be accu-
rately aligned. This method should be used whenever possible.
An alternative mounting configuration (Illustration 3, sketch (3)) is the Diag-
onal mode (Z-Mode). The signals travel only once through the pipe. This
method is often used for larger pipes where greater signal attenuation might
occur.
Further variation of the Reflection and the Diagonal Modes are possible by
altering the number of passes through the pipe. Any even number of passes
will require mounting the sensors on the same side of the pipe, while with an
odd number of passes, the sensors must be mounted on opposite sides of
the pipe. Commonly, for very small pipes, sensor mounting configurations
such as 4 passes (W-mode) or 3 passes (N-mode) are used (Illustration 3,
sketch (2)).
Reflection Mode
Diagonal Mode

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The transducer separation distance A is measured from the inside edges of
the sensor heads as shown in illustration 3. It is automatically calculated by
the flowmeter based on the parameter entries for pipe outside diameter, wall
thickness, lining material and thickness, medium, process temperature, the
sensor type and the selected number of signal passes.
A negative separation distance A < 0 can occur for mounting configurations
on small pipes where diagonal mode operation has been selected (see Illus-
tration 3, sketch (3). Negative separation distances may be suggested for
reflection mode installations, but are not possible. In these cases, use diag-
onal mode or a larger number of passes.
Illustration 3: Clamp-on sensor mounting configurations and sensor spacing
Transducer
separation distance

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3.6 Flowmeter installation
3.6.1 Outline dimensions
The IFX-F100 is a wall mounted device and can be installed using suitable
screws and wall plugs according to the following drawings.
Make sure that the ambient temperature is within the -10 ... 60 °C operating
temperature range specified for the flowmeter unit.
Flowmeter outline
dimensions
Drilling aid for all
mounting
!

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3.6.2 Electrical connections
Please note that in order to supply the unit with MAINS POWER, the equipment must
be protected by suitably sized switches and circuit breakers.
100 ... 240 V AC, 50/60 Hz
10 W
9 ... 36 V DC
10 W
Electrical wiring
!

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3.7 Clamp-on sensor mounting
Before the sensors can be mounted
•the installation location should have been determined,
•a sensor mounting method should be chosen,
•the flowmeter must be mechanically and electrically installed,
•the sensors must be connected to the flowmeter.
Depending on which sensor mounting method is being used, the clamp on
sensors are either mounted on the same side of the pipe (Reflection Mode)
or on opposite sides of the pipe (Diagonal Mode). The sensor spacing is
calculated by the flowmeter from the pipe parameters entered.
Sensor mounting

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3.7.1 Sensor pipe mounting configurations
3.7.2 Acoustic coupling gel
In order to obtain acoustical contact between the pipe and the sensors, apply
a bead of acoustic coupling gel lengthwise down the centre of the contact
area of the sensors.
3.7.3 Correct positioning of the sensors
Always mount the transducer pair so that the free front edges of the sensors
face each other.
There is a different engraving on the top of each transducer. The transducers
are mounted correctly if the engravings on the two transducers form an ar-
row. The transducer cables should point in opposite directions.
Later, the arrow, in conjunction with the indicated measured value, will help
to determine the direction of flow.
Illustration 4: Sensor pipe mounting configurations
Illustration 5: Correct positioning of the sensors
Correct sensor
position

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The sensor separation distance is automatically calculated by the flowmeter
based on the parameter entries for pipe outside diameter, wall thickness, lin-
ing material and thickness, medium, process temperature, the sensor type
and the selected number of signal passes.
3.7.4 Sensor mounting with tension straps
•Cut the tension straps to the appropriate length.
•Pull at least 2 cm of the tension strap through the slot in the clamp
and bend the strap back to secure the clamp to the tension strap.
•Guide the other end of the tension strap through the groove on
top of the sensor.
•Place the sensor onto the prepared pipe section.
•Hold the clamp on the transducer with one hand and guide the
tension strap around the pipe.
•Pull the tension strap and guide the free end through the clamp
so that the clamp hooks engage. Slightly tighten the screw on the
clamp.
•Mount the second sensor in the same way.
•Press the sensors firmly to the pipe. There should be no air pock-
ets between the transducer surface and the pipe wall.
•Using a measuring tape, adjust the sensor separation distance as
suggested by the flowmeter. When the sensor positioning screen
is displayed, the middle bar allows fine adjustment of the sensor
location.
Illustration 6: Metallic mounting straps
Illustration 7: Sensor mounting with tension straps and clamps

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•Ensure that the narrower side of the clip is above and inside the
wider side and that the two sides of the clip do not come into con-
tact while tightening, as this will prevent the strap from being cor-
rectly tensioned.
4 Operation
4.1 Switching On/Off
The flowmeter is switched on by connecting the power supply to the instru-
ment. Disconnecting the external supply switches off the flowmeter.
4.2 Keypad and display
The internal batteries can be recharged with the external battery charger
supplied.
4.2.1 Keypad key functions (internal keypad)
Key
Main function
Secondary function(s)
Right Arrow
Character position selection for
data entry. Move RIGHT.
Screen selection in
measurement mode
Down Arrow
Move menu/list selection item
DOWN
Character entry from scrolled
characters, move in scrolled lists
screen selection in
measurement mode
Illustration 8: Clip arrangement for correct tensioning

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ALT
Backlight on/off
ESC
ESCape menu item
Abort entry without saving, escape
measurement mode
ENT
ENTer menu item
Confirm entry with saving or move
through menu structure
4.2.2 Display functions
Display icon
Function
On Icon not used
Off
On Datalogger recording
Off Datalogger switched off
On Not used
Off
On LCD backlight switched on
Off LCD backlight switched off
On I/O processor error
Off I/O processor functioning correctly
On Without strike-through: Speaker on
Off with strike-through: Speaker off
On Poor sensor coupling, low SNR
Off Sensor coupling OK
On Icon not used
Off
On Icon not used
Off
On RTC operating
Off RTC failure
Table 3: Keyboard function
Display icons
Menu header
Display line 2
Date, Time
Display line 1
Display icons