Endress+Hauser Solimotion FTR20 Manual

TI00447F/97/EN/13.17
71387792 Products Solutions Services
Technical Information
Solimotion FTR20
Flow indicator for bulk solids
Compact measuring device for non-contact ow detection for bulk solids
Application
The FTR20 flow indicator for bulk solids is a non-contact
device based on microwave technology. It is ideally suited for
monitoring pneumatic and mechanical transport processes for
bulk solids. The compact device can be used wherever the cost-
effective monitoring of bulk solids movement is required.
Typical areas of application or bulk solids are:
• Building materials industry: Cement, plaster, wood chips etc.
• Chemical industry: Fertilizers, plastic powder, granules etc.
• Food industry: Coffee, tea, tobacco, cereals, malt etc.
• Energy production: Coal, carbon dust, fly-ash, coke etc.
Individual adjustments to the application are carried out
by means of configurable functions (including automatic
calibration). In addition, changes in the mass flow can be
analyzed by the optional 4 - 20 mA current output.
Device properties
• Detection range up to 20 m depending on the bulk solids
• Process temperatures up to +70 °C (+158 °F) or +450 °C
(+842 °F) with optional high temperature adapter
• Process pressure up to 680 kPa (6.8 bar) absolute or 2 MPa
(20 bar) absolute with optional high pressure adapter
• For use in hazardous areas (dust)
Your benets
• Compact device:
Sensor, transmitter and power unit are mounted in a
housing, which means less eort is required for installation
and mounting.
• The device can be used wherever cost-eective monitoring
of a mass ow (present or not present) is required.
• Flush-mounted installation, non-contact installation
possible
• Easy mounting using R 1½, 1½ NPT or G 1½ thread or a
suitable mounting bracket
• Electronics housing can be rotated by 360 °, allowing
orientation into optimum position aer installation
• Easy electrical connection using the connectors (optional
with suitable mating connectors or prefabricated connection
cables)
• Mechanical robustness
- No wear
- Process-wetted ceramic sensor diaphragm (optional)
- Long service life
- Maintenance-free
• Signaling of mass ow
• Adjustable sensitivity
• Compliant with ATEX, CSA and IECEx

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Solimotion FTR20
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Document information ���������������������������������� 3
Display conventions ������������������������������������������������������������ 3
Function and system design ������������������������� 4
Measuring principle ������������������������������������������������������������ 4
Safety ������������������������������������������������������������������������������������ 5
Input ���������������������������������������������������������������� 6
Measured variable ��������������������������������������������������������������� 6
Measuring range (detection range) ����������������������������������� 6
Operating frequency ������������������������������������������������������������ 6
Transmitting power ������������������������������������������������������������� 6
Switching frequency ������������������������������������������������������������ 6
Antenna opening angle (3 dB) ������������������������������������������ 6
Detectable speed ������������������������������������������������������������������ 6
Output ������������������������������������������������������������� 7
Terminal and onnector assignment ����������������������������������� 7
Relay ������������������������������������������������������������������������������������� 7
Solid-state relay ������������������������������������������������������������������� 7
Current ���������������������������������������������������������������������������������� 8
Power supply �������������������������������������������������� 9
Terminal and connector assignment ��������������������������������� 9
Supply voltage ���������������������������������������������������������������������� 9
Power consumption ������������������������������������������������������������� 9
Potential equalization ��������������������������������������������������������� 9
Terminals ����������������������������������������������������������������������������� 9
Cable entries ���������������������������������������������������������������������� 10
Device connector ���������������������������������������������������������������� 10
Cable specication ������������������������������������������������������������� 10
Performance characteristics ����������������������� 11
Reference operating conditions ��������������������������������������� 11
Inuence of ambient temperature ����������������������������������� 11
Inuences on bulk ow detection ������������������������������������ 11
Vibration eects ���������������������������������������������������������������� 11
Installation ��������������������������������������������������� 12
Mounting location ������������������������������������������������������������� 12
Orientation ������������������������������������������������������������������������� 12
Installation instructions ���������������������������������������������������� 12
Direct mounting with threaded connection �������������������� 14
Mounting in front of microwave-impermeable
process wall ������������������������������������������������������������������������ 15
Mounting in front of microwave-permeable sight
glass tting ������������������������������������������������������������������������� 16
Mounting on process nozzles ������������������������������������������� 17
Mounting with spacer tube (wave guide) ����������������������� 18
Mounting with high temperature adapter and
length extensions �������������������������������������������������������������� 20
Table of contents
Environment ������������������������������������������������ 21
Operating temperature range ������������������������������������������ 21
Storage temperature ��������������������������������������������������������� 21
Degree of protection ���������������������������������������������������������� 21
Vibration resistance ���������������������������������������������������������� 21
Electromagnetic compatibility (EMC) ����������������������������� 21
Process ���������������������������������������������������������� 22
Process temperature range ����������������������������������������������� 22
Process pressure range ����������������������������������������������������� 22
Vibration ���������������������������������������������������������������������������� 22
Mechanical construction ����������������������������� 23
Dimensions ������������������������������������������������������������������������ 23
Weight �������������������������������������������������������������������������������� 23
Materials ���������������������������������������������������������������������������� 24
Process connections ���������������������������������������������������������� 24
Operability ���������������������������������������������������� 25
Operating concept ������������������������������������������������������������� 25
Local operation ������������������������������������������������������������������ 26
Certicates and approvals ��������������������������� 28
CE mark ������������������������������������������������������������������������������ 28
Ex approval ������������������������������������������������������������������������� 28
Telecommunications ��������������������������������������������������������� 28
Other standards and guidelines ��������������������������������������� 28
Ordering information ���������������������������������� 29
Scope of delivery ���������������������������������������������������������������� 29
User-specic settings �������������������������������������������������������� 30
Accessories ��������������������������������������������������� 31
Supplementary documentation ������������������ 41
Standard documentation �������������������������������������������������� 41
Supplementary device-dependent documentation �������� 41

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Document information
Display conventions Safety symbols
Symbol Meaning
NOTICE!
This symbol contains information on procedures and other facts which do not
result in personal injury�
Electrical symbols
Symbol Meaning
Direct current
Alternating current
Direct current and alternating current
Protective Earth (PE)
A terminal which must be connected to ground prior to establishing any other
connections�
Symbols for certain types of information
Symbol Meaning
Tip
Indicates additional information�
Reference to documentation
Reference to page
Reference to graphic
Symbols in graphics
Symbol Meaning
1, 2, 3 ��� Item numbers
, , ��� Series of steps

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Solimotion FTR20
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Function and system design
Measuring principle The FTR20 ow indicator for bulk solids works using microwave technology. A signal is transmitted,
and this signal is reected by the moving bulk solids. The FTR20 measures the strength of the
reected, frequency-shied (Doppler eect) energy, this is analyzed and put out via the display or
the signal output�
1 Measuringprinciple
The range of the FTR20 depends on the reection characteristics of the bulk solids.
Example of volumetric dosing
The FTR20 monitors the outow of a screw conveyor. If the ow of material slows down (for
example due to clogging of the pipe leading downwards or if there is no material being conveyed
due to a failure in the screw conveyor), the device generates a message to this eect. This can then
be processed further in the system�
2 Exampleofvolumetricdosing

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Example of a conveyor belt
The FTR20 monitors the continuous mass ow at a transition point, a break in the ow is detected
and put out at the signal output�
3 Exampletransitionpointmonitoring
The FTR20 monitors if there is material on the conveyor belt�
4 Exampleconveyorbeltmonitoring
For optimal installation in the process, the FTR20 devices of the microwave barrier can be extended
with corresponding accessories such as weld-in nozzles, sight glasses or high temperature adapters
for process separation (→ 31).
Safety We shall only grant a guarantee if the device is installed and operated in accordance with the
Operating Instructions� Safety measures in accordance with the user's safety standard, which provide
additional protection for the device and its signal transfer, are to be implemented by the user�

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Input
Measured variable Doppler frequency
Measuring range
(detection range)
With an unobstructed radiation path to the surface of the bulk solids, the maximum range is 20 m
depending on bulk solids (reection characteristics).
This is reduced if container walls, sight glasses or similar need to be penetrated�
Operating frequency 24�15 GHz ± 80 MHz
Transmitting power The power produced by the FTR20 is maximum 100 mW e�i�r�p� (equivalent isotrope radiation
performance)�
• Power density directly in front of the device: Approx� 1 mW/cm2
• Power density at a distance of 1 m: Approx� 0�3 µW/cm2
The power density is clearly below the recommended limit values of the ICNIRP guidelines
"Guidelines for Limiting Exposure to Time-Varying Electric, Magnetic, and Electromagnetic
Fields (up to 300 GHz)" and thus is completely harmless for humans�
Switching frequency max� 2 Hz
Antenna opening angle
(3 dB)
approx� ± 11 °
Detectable speed 0�09 ��� 62 m/s

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Output
Terminal and onnector
assignment
A ( 1 : 1 ) B ( 1 : 1 )
2
3
4
5
3
4
5
5 Terminalandconnectorassignmentoftheoutput
Relay • Potential-free change-over contact
• Switching capacity:
250 V / 4 A (Harting connector type HAN8D max. 50 V)
125 V / 0.4 A or 30 V / 4 A
• Contact material: AgCdO (gold-ashed)
• Switching frequency: max� 2 Hz
3 (NO)
4 (CC)
5 (NC)
Electrical connection Relay
Connection terminals Terminal 3 (NO) Terminal 4 (CC) Terminal 5 (NC)
M12 connector (Binder series 713/763) Connector 2
Terminal 2 (NO) Terminal 3 (CC) Terminal 4 (NC)
Harting connector type HAN8D Connector 2
Terminal 3 (NO) Terminal 4 (CC) Terminal 5 (NC)
• The contact material is also suitable for switching small signal circuits� However, this is possible
only if no inductive loads or higher currents have been switched previously�
• The solid-state relay can be used to evaluate higher switching frequencies�
Solid-state relay • Switching contact of a semiconductor relay
• Switching capacity:
30 V / 0.4 A
40 V / 0.4 A
• Switching frequency: max� 2 Hz
3
4
Electrical connection Solid-state relay
Connection terminals Terminal 3 − 4
M12 connector (Binder series 713/763) Connector 2, contact 3 − 4
Harting connector type HAN8D Connector 2, contact 3 − 4

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Current • Current output 4 ��� 20 mA
• Active
• Max. load: 600 Ω
A
+
-
4
3
Electrical connection Current output
Connection terminals Terminal 3 (+) − 4 (−)
M12 connector (Binder series 713/763) Connector 2, contact 3 (+) − 4 (−)
Harting connector type HAN8D Connector 2, contact 3 (+) − 4 (−)
The value of the current output corresponds to the signal strength�

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Power supply
Terminal and connector
assignment
A ( 1 : 1 ) B ( 1 : 1 )
2
3
4
5
3
4
5
6 Terminalandconnectorassignmentofthepowersupply
Electrical connection Power supply
Connection terminals Terminal 1 − 2
M12 connector (Binder series 713/763) Connector 1, contact 1 − 2
Harting connector type HAN8D Connector 1, contact 1 − 2
A suitable wire (→ 10) is used to connect the FTR20 to the power supply.
Supply voltage • 85 to 253 V, 50/60 Hz
• 20 to 60 V or 20 to 30 V, 50/60 Hz
• The polarity of the supply voltage can be set as required�
• When using the public powers supply, install an easy accessible power switch in the proximity of
the instrument. Mark the power switch as a disconnector for the instrument (EN/IEC 61010).
• You should use a fuse to protect the power supply against short-circuit�
• The electrical connection with Harting connector type HAN8D is only available for the power
supply with 20 ... 60 V or 20 ... 30 V, 50/60 Hz.
Power consumption • max. 4.8 VA ( 85 to 253 V, 50/60 Hz)
• max. 2.2 W ( 20 to 60 V) or 3 VA ( 20 to 30 V, 50/60 Hz)
Potential equalization Requirements:
• The potential equalization should be connected to the outer ground terminal�
• For optimum electromagnetic compatibility, the potential matching line should be as short
aspossible.
• The recommended minimum cable cross-section is 2�5 mm2�
• Potential equalization of the FTR20 should be incorporated in the local potential equalization�
For devices intended for use in hazardous locations, please observe the guidelines in the
Exdocumentation (XA).
Terminals Max� 1�5 mm2

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Cable entries • Cable gland M20 x 1�5 or cable entry ½ NPT
• Degree of protection: Min� IP66
• Cable gland in non-hazardous areas:
- Material: Plastic
- Color: Gray
- Clamping range: 5 to 10 mm (EN 61444) or 7-10 mm (UL-514 B)
• Cable gland in hazardous areas:
- Material: Nickel-plated brass
- Color: Silver
- Clamping range: 7 to 10�5 mm
• Quantity: 2 pieces per device
The cable gland is only admissible for the connection of fixed-installation lines and cables�
Theoperator must ensure corresponding strain relief.
Device connector • M12 connector (Binder series 713/763)
• Harting connector type HAN8D
• Suitable mating connectors are available as an order variant
(Ordering information → 30).
• Suitable mating connectors and prefabricated connection cables are available as accessories
(→ 32).
Cable specication • Normal instrument cable is sucient
• Conductor cross-section: max� 1�5 mm2

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Performance characteristics
Reference operating
conditions
Every application is dierent in terms of its shapee (such as inuential reexion edges), medium as
well as the properties of the medium (such as attenuation and moisture levels) and therefore always
requires an individual basic setup of the ow indicator.
Inuence of ambient
temperature
The ambient temperature has no direct inuence on the measuring system (FTR20 is temperature-
compensated internally)�
Inuences on bulk ow
detection
Distance of FTR20 from the medium
The measuring signal is inuenced by the distance between the device and the medium. With
signicantly deviating distances, the device should be installed, if possible, such that the distance
is as constant as possible. If this is not possible, the ow indicator must be adjusted under the least
favourable conditions in this case too�
Vibration eects Vibration resistance – continuous load with sliding frequency in accordance with EN 60068-2-6:
• -40 to +80 °C (-40 to +176 °F)
• Excitation: Sine
• Frequency range: 10 to 55 Hz
• Amplitude: 0�75 mm
• Throughput speed: 1 octave per minute
• Test axes: Three directions (X, Y, Z)
• Number of frequency cycles: 20 per axis
• Test duration: Approx� 1 h 38 min per axis
• Test temperature: Room temperature

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Installation
Mounting location The mounting location must be selected such that application-specic inuences are minimized
(→ 11). Depending on the installation locations, dierent process adapters are available as
accessories (→ 31).
Mechanical protection of the devices (such as protection against larger falling product pieces)
should be taken into account.
For devices intended for use in hazardous locations, please observe the guidelines in the
Exdocumentation (XA).
Orientation Any orientation is possible for the FTR20 ow indicator. However, a small angle αmay increase the
signal quality. We recommend an angle of 45 ° for material detection on conveyor belts (→ 4).
α
α
7 Orientation
Installation instructions The FTR20 flow indicator comes with a standard thread (R 1½ as per EN 10226, 1½ NPT as
per ANSI/ASME B1�20�1 or G 1½ as per ISO 228-1) as a process connection� This enables easy
installation in existing container couplings or nozzles� For optimal orientation after installation in
the process, the electronics housing can be rotated as desired (by 360 °)�
2�5 hex
8 Fixingtheelectronichousing
Following installation, the housing must be secured using the Allen head screw (2�5 AF)�

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Installation with self-sealing connection thread (R 1½and 1½NPT)
9 Installationwithself-sealingconnectionthread
Turn self-sealing connection thread R 1½ or 1½ NPT into the process (SW55 hexagon)�
Align electronic housing�
Secure the housing (2 mm hex socket).
Installation with non-self-sealing connection thread (G 1½)
10 Installationwithnon-self-sealingconnectionthread
Screw non-self-sealing connection thread G 1½ with the enclosed process seal into the process
(SW55 hexagon)�
Tighten the counter nut of the thread (also SW55 hexagon)�
Align electronic housing�
Secure the housing (2 mm hex socket).
• If the process connection is not screwed far enough into the process wall, there is a risk that
material will accumulate in front of the FTR20 and cause attenuation of the microwave signal�
• If, on the other hand, the process connection is screwed too far into the process, there is a risk
ofdamage due to large falling product pieces.

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Direct mounting with threaded
connection
The simplest mounting method is by screwing into the process wall� To do this, a corresponding
internal thread (Rp 1½, 1½ NPT or G 1½) must be available in the process�
• Weld-in adapters of type FAR52-A*, with corresponding internal thread, are available as
accessories (→ 31).
• If the internal threads available in the process wall are different (R 2 to R 4 or 2 NPT
to4 NPT), additional screw-in adapters of type FAR52-B* are available as accessories
(→31).
70 (2.76)
40 to 55 (1.58 to 2.17) 17 (0.69)
mm (in)
11 FAR52weld-inorscrew-inadapter
With direct mounting in the process wall, it must be ensured that the front edge of the process
connection is ush with the internal edge.
A ( 0,50 : 1 ) B ( 0,50 : 1 )
1 2
12 Directmountingwiththreadedconnection
• If the process connection is not screwed far enough into the process wall (1), there is a risk that
material will collect in front of the FTR20 and cause attenuation of the microwave signal�
• If, on the other hand, the process connection is screwed too far into the process (2), there is a risk
of damage due to large falling product pieces�
When using the G 1½ -process connection (standard thread to ISO 228-1, hexagon SW55)
with integrated counter nut, the devices can be flush mounted especially easily, as a parallel
thread is used�

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For applications with a high process pressure up to 2 MPa (20 bar) absolute, we recommend the
following high pressure adapter (accessories → 31).
Integrated venting element
High pressure adapter
32 (1.26)
68
(2.68)
15 (0.59)
mm (in)
13 Mountingwithhigh-pressureadapter
The maximum temperature at the FTR20 must be observed�
Mounting in front of
microwave-impermeable
process wall
If, due to the process conditions (such as high temperatures, high pressures or hazardous nature of
the material), no direct installation in the microwave-impermeable process wall is possible, the ow
indicator can emit its signal through an additionally installed plug�
The following materials have been tested and are suitable for radiation:
• Plastics (virginal, unfilled) such as polytetrafluorethylene (PTFE), polyethylene (PE) or
polypropylene (PP)
• Aluminum oxide ceramic (purity min� 99�5 %, uncolored)
• Borosilicate glass (uncolored)
Colorations or added (colored) substances can cause a potentially high signal attenuation,
depending on the material, and are therefore not suitable for this purpose�
A
D
Mounting bracket
-40 °C to +70 °C
-40 °F to +158 °F
1
14 Bracketmountinginfrontofamicrowave-permeableprocesswall
• With bracket mounting in front of a microwave-permeable plug and the risk of the formation of
condensate on the inner wall of the container, we recommend a plug protruding into the process
(1)�
• The maximum temperature at the FTR20 must be observed�
• Distance A is based on the clear opening area D� To prevent possible signal attenuation, we
recommend keeping the distance as short as possible (e.g. max. 40 mm at DN50).

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• Suitable mounting brackets made of plastic or aluminum are available as accessories
(→31).
• Suitable plugs made of PTFE or aluminum oxide ceramic of type FAR54 are available
asaccessories in different lengths and diameters (→ 31).
• Details on plug mounting → TI01371F/97/EN
Mounting in front of
microwave-permeable
sight glass tting
If the process wall is not permeable, it is possible to have the ow indicator emit its signal from
outside through a suitable sight glass tting. The sight glass in this tting is made of uncolored
borosilicate glass�
A-A ( 1 : 5 ) B-B ( 1 : 5 )
A
A
B
B
A
D
Mounting bracket
-40 °C to +70 °C
-40 °F to +158 °F
Sight glass
D
15 Bracketmountinginfrontofmicrowave-permeablesightglassfitting
Distance A is based on the clear opening D and the temperature in this area� To prevent possible
signal attenuation, we recommend keeping the distance as short as possible (e.g. max. 40 mm
atDN50).
Sight glass fittings should in principle only be installed at places where no material can collect
onthe process side. Mounting on a connecting nozzle, for example, could result in the inability to
detect a free path�
A-A ( 1 : 5 )
A
A
16 Impermissiblemountingwiththeriskofmaterialcollection
• Suitable mounting brackets made of plastic or aluminum are available as accessories
(→31).
• Suitable sight glass fittings made of stainless steel with borosilicate glass are available
asaccessories (→ 31).

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Mounting on process nozzles Mounting on a process nozzle oers the following advantages:
• By using available nozzles, no modications of the process are required.
• The use of suitable plugs can prevent material from collecting in the nozzle�
• At the same time, the plug acts as wear protection for the ow indicator and can bereplaced easily
in the event of signicant wear.
• Mounting or disassembly of the FTR20 devices can be carried out during ongoing operation,
which signicantly simplies the service process.
A-A ( 1 : 5 )
Mounting flange
Plug
Process insulation
17 Mountingonavailableprocessnozzles
• Suitable mounting flanges with corresponding connection threads made of stainless steel
and plugs made of PTFE or aluminum oxide ceramic for the available process nozzles are
available as accessories (→ 31).
• Process nozzles of type FAR50, consisting of connection nozzle, plug and mounting flange,
are available as accessories in different sizes and materials (→ 31).
• For non-vertical process walls, we recommend mounting the process nozzle far enough into the
process that no material can collect in front of it (1)�
• For process nozzle mounting and when there is a risk of material building up on the inner wall
ofthe container, we recommend a nozzle that protrudes into the process (2).
• The maximum plug length is dependent on the attenuation and water absorption of the material�
Please note the manufacturer's instructions in this regard�
A-A ( 1 : 5 )
B-B ( 1 : 5 ) D-D ( 1 : 5 )
1
2
18 Mountingwiththeriskofaccumulations

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When there is a risk of condensate forming between the process connection of the FTR20and the
plug, we recommend using the process nozzle type FAR50 (→ 31), which is equipped with a
mounting flange with a pressure equalization element�
Insertion adapter Customer-supplied gasket Process nozzle
Customer-supplied installation material
19 MountingwithFAR51insertionadapter
For process temperatures of +70 to +450 °C (+158 to +842 °F), plug-in adapters for stainless
steel flange nozzles of type FAR51 are available as accessories (→ 31).
Mounting with spacer tube
(wave guide)
For many processes, mounting with a spacer tube is a simple and cost-eective way of separating
the devices of the FTR20 ow indicator from the high process temperatures of +70 to+450 °C
(+158 to +842 °F)� The spacer tube can be secured in place in various ways, depending on the
application conditions (e.g. screwed into the process wall, bolted-on mounting brackets, welded or
clamped to available cross beams)�
We also recommend this mounting method for processes that are lined with clay or similar
materials on the inside� The spacer tube can be glued into place, for example�

Solimotion FTR20
Endress+Hauser 19
Spacer tube Process insulation Container wall Inner lining
20 Mountingwithspacertube
Suitable spacer tubes of type FAR53, made of steel or stainless steel, are available as
accessories in different versions (→ 31).
When there is a risk of condensate forming in the spacer tube, we recommend using process nozzle
type FAR50 (→ 31), which is equipped with a mounting flange with a pressure equalization
element�
For structural or space reasons, it may be necessary to mount the FTR20 devices at an angle to the
planned mounting location� In this case, a spacer tube can be used as a wave guide, meaning that no
additional signal attenuation occurs due to the wave guide eect.
• The pipe can be made of any desired metallic material�
• Edges inside the pipe (for example at transitions) can cause signal attenuation and thus should be
avoided wherever possible�
Wave guide
1 2
21 Mountingwithwaveguide
1 Mountingdirectlyintheprocesswithconnectionthread
2 Mountinginfrontoftheprocessplugwithoutconnectionthread
Suitable stainless steel wave guides of type FAR55 are available as accessories in different
versions (→ 31).

20
Solimotion FTR20
Endress+Hauser
Mounting with high
temperature adapter and
length extensions
For simple and easily accessible high temperature applications in the range from +70 to +450 °C
(+158 to +842 °F) there is a simple adapter with ush-mounted aluminum oxide ceramic, which can
be extended with length extensions�
Wall Insulation
HT-Adapter
Extension
T = + 450 °C(+ 842 °F)
P,max
P = 80 to 510 kPa (0.8 to 5.1 bar) abs.
max
T = +70 °C (+ 158 °F)
max
L
22 Mountingwithhightemperatureadapterandlengthextensions
The maximum temperature of +70 °C (+158 °F) at the process connection of FTR20 devices must
be observed (L is to be selected according to the process and ambient temperatures); exceeding this
temperature will cause destruction�
Suitable high temperature adapters and length extensions made of stainless steel are available
as accessories (→ 31).
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