Endress+Hauser Prosonic Flow 90 User manual

BA 068D/06/en/12.02
50099981
valid from software version:
V 1.05.XX (measuring amplifier)
V 1.02.XX (communication)
PROline prosonic flow 90
Ultrasonic Flow Measuring
System
Operating Instructions

Brief operating instructions PROline Prosonic Flow 90
2Endress+Hauser
Brief operating instructions
These brief operating instructions explain how to configure your measuring device
quickly and easily:
Safety instructions Page 7
Please read the safety instructions through carefully.
▼
Connecting the transmitter Page 35
Install the sensors using the transmitter software. Therefore connect the transmit-
ter first to the power supply.
▼
Switching on the measuring device Page 59
Description of the startup sequence visible on the on-site display after switching
on the transmitter.
▼
Display and operating elements Page 41
A brief overview of the different display and operating elements to allow you to
start quickly .
▼
Installing the sensors Page 17 ff.
Installing the flowrate measuring sensors Prosonic Flow W (Clamp On)
Installing the flowrate measuring sensors Prosonic Flow U (Clamp On)
Installing the flowrate measuring sensors Prosonic Flow W (Insertion)
▼
12+
22 –
23
+
20 –
21 +
24 –
25 +
26 –
27
Esc
E
+
-
+48.25 ml/min
+3702.6 m3

PROline Prosonic Flow 90 Brief operating instructions
Endress+Hauser 3
“SENSOR INSTALLATION” Quick Setup Page 60
Use this “Quick Setup” to determine the data required for sensor installation
such as sensor spacing (1), cord length, pipe materials, sound velocity in fluids,
etc.
– The system provides you with the sensor distance for the W/P/U "Clamp On"
versions as distance data. For the W and P sensors, you also receive the data
in the form of a letter for sensor 1 and in the form of a number for sensor 2. You
can thus easily position the sensors with the aid of the mounting rail.
– With the insertion version, you receive the sensor spacing as distance data.
Installation of the sensor/transmitter connecting cable Page 33
▼
Commissioning with “QUICK SETUP” Page 61
You can commission your measuring device quickly and easily using the special
“Quick Setup” menu. It allows you to configure important basic functions using
the local display, for example display language, measured variables, units of
measure, type of signal, etc.
If necessary, the following adjustments or configurations can be carried out sep-
arately:
– Zero point adjustment
– Configuration of the current outputs (active/passive)
▼
Customer-specific configuration Page 42 ff.
Complex measurement tasks require the configuration of additional functions
which you can individually select, set and adapt to your process conditions
using the function matrix.
All functions are described in detail, as is the function matrix itself, in the
“Description of Device Functions”manual, which is a separate part of these
Operating Instructions.
▼
▼
Trouble-shooting Page 73 ff.
Always start trouble-shooting with the checklist on Page 73, if faults occur after
startup or during operation. This takes you directly to the cause of the problem
and the appropriate remedial measures.
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Brief operating instructions PROline Prosonic Flow 90
4Endress+Hauser

PROline Prosonic Flow 90 Table of Contents
Endress+Hauser 5
Table of Contents
1 Safety instructions . . . . . . . . . . . . . . 7
1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2 Installation, commissioning and operation . . . 7
1.3 Operational safety . . . . . . . . . . . . . . . . . . . . . . 7
1.4 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.5 Notes on safety conventions and icons . . . . . . 8
2 Identification . . . . . . . . . . . . . . . . . . . 9
2.1 Device designation . . . . . . . . . . . . . . . . . . . . . 9
2.1.1 Nameplate of the transmitter . . . . . . . 9
2.1.2 Nameplate of the Prosonic Flow W
sensors . . . . . . . . . . . . . . . . . . . . . . . 10
2.1.3 Nameplate of the Prosonic Flow U
sensors . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 CE mark, declaration of conformity . . . . . . . . 11
2.3 Registered trademarks . . . . . . . . . . . . . . . . . 11
3 Installation. . . . . . . . . . . . . . . . . . . . 13
3.1 Incoming acceptance, transport and storage 13
3.1.1 Incoming acceptance . . . . . . . . . . . 13
3.1.2 Transport . . . . . . . . . . . . . . . . . . . . . 13
3.1.3 Storage . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Installation conditions . . . . . . . . . . . . . . . . . . 14
3.2.1 Installation dimensions . . . . . . . . . . . 14
3.2.2 Installation location . . . . . . . . . . . . . 14
3.2.3 Orientation . . . . . . . . . . . . . . . . . . . . 15
3.2.4 Inlet and outlet runs
(Clamp On version) . . . . . . . . . . . . . 15
3.2.5 Inlet and outlet runs
(Insertion version) . . . . . . . . . . . . . . 16
3.2.6 Connecting cable length . . . . . . . . . 16
3.3 Installation instructions . . . . . . . . . . . . . . . . . 17
3.3.1 Installing tensioning bands
(Clamp On) . . . . . . . . . . . . . . . . . . . 17
3.3.2 Use of weld bolts for W sensors . . . 19
3.3.3 Installing the Prosonic Flow W
measuring sensors (Clamp On) . . . . 20
3.3.4 Installing the Prosonic Flow W
measuring sensors (Clamp On) . . . . 22
3.3.5 Installing the Prosonic Flow U
measuring sensors (Clamp On) . . . . 23
3.3.6 Term explanations for
Prosonic Flow W (Insertion version) . 26
3.3.7 Installing the measuring sensors
Prosonic Flow W (single path
Insertion version) . . . . . . . . . . . . . . . 27
3.3.8 Installing the wall-mount housing . . . 30
3.4 Installation check . . . . . . . . . . . . . . . . . . . . . . 32
4 Wiring. . . . . . . . . . . . . . . . . . . . . . . . 33
4.1 Connection of the sensor connecting cable . 33
4.1.1 Connection of Prosonic Flow W/U . . 33
4.1.2 Cable specifications . . . . . . . . . . . . 34
4.2 Connecting the measuring unit . . . . . . . . . . . . 35
4.2.1 Connecting the transmitter . . . . . . . . 35
4.2.2 Terminal assignment . . . . . . . . . . . . . 36
4.2.3 HART connection . . . . . . . . . . . . . . . 37
4.3 Potential equalisation . . . . . . . . . . . . . . . . . . . 38
4.4 Degree of protection . . . . . . . . . . . . . . . . . . . . 38
4.5 Connection check . . . . . . . . . . . . . . . . . . . . . . 39
5 Operation. . . . . . . . . . . . . . . . . . . . . . 41
5.1 Display and operating elements . . . . . . . . . . . 41
5.2 Brief operating instructions for the
function matrix . . . . . . . . . . . . . . . . . . . . . . . . 42
5.2.1 General notes . . . . . . . . . . . . . . . . . . 43
5.2.2 Enabling the programming mode . . . 43
5.2.3 Disabling the programming mode . . 43
5.3 Error messages . . . . . . . . . . . . . . . . . . . . . . . . 44
5.4 Communication (HART) . . . . . . . . . . . . . . . . . 45
5.4.1 Operating options . . . . . . . . . . . . . . . 45
5.4.2 Device variables and
process variables . . . . . . . . . . . . . . . 46
5.4.3 Universal / common practice
HART commands . . . . . . . . . . . . . . . 47
5.4.4 Device status / Error messages . . . . 53
6 Commissioning. . . . . . . . . . . . . . . . . 59
6.1 Function check . . . . . . . . . . . . . . . . . . . . . . . . 59
6.2 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . 59
6.2.1 Switching on the measuring device . 59
6.2.2 “Sensor installation”
Quick Setup menu . . . . . . . . . . . . . . 60
6.2.3 “Commissioning”
Quick Setup menu . . . . . . . . . . . . . . 61
6.2.4 Zero point adjustment . . . . . . . . . . . . 63
6.2.5 Current output: active/passive . . . . . 65
7 Maintenance . . . . . . . . . . . . . . . . . . . 67
8 Accessories . . . . . . . . . . . . . . . . . . . . 69
9 Trouble-shooting . . . . . . . . . . . . . . . 73
9.1 Trouble-shooting instructions . . . . . . . . . . . . . 73
9.2 System error messages . . . . . . . . . . . . . . . . . 74
9.3 Process error messages . . . . . . . . . . . . . . . . . 80
9.4 Process errors without messages . . . . . . . . . . 81
9.5 Response of outputs to errors . . . . . . . . . . . . 82
9.6 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
9.7 Removing and installing printed
circuit boards . . . . . . . . . . . . . . . . . . . . . . . . . 85
9.8 Installation/removal of flowmeter
sensors W “Insertion”. . . . . . . . . . . . . . . . . . . 87
9.9 Replacing the device fuse . . . . . . . . . . . . . . . 88
9.10 Software history . . . . . . . . . . . . . . . . . . . . . . . 89

Table of Contents PROline Prosonic Flow 90
6Endress+Hauser
10 Technical data . . . . . . . . . . . . . . . . . 91
10.1 Technical data at a glance . . . . . . . . . . . . . . 91
10.1.1 Application . . . . . . . . . . . . . . . . . . . . 91
10.1.2 Function and system design . . . . . . 91
10.1.3 Input . . . . . . . . . . . . . . . . . . . . . . . . . 91
10.1.4 Output . . . . . . . . . . . . . . . . . . . . . . . 92
10.1.5 Power supply . . . . . . . . . . . . . . . . . . 93
10.1.6 Performance characteristics . . . . . . 94
10.1.7 Operating conditions . . . . . . . . . . . . 95
10.1.8 Mechanical construction . . . . . . . . . 97
10.1.9 Human interface . . . . . . . . . . . . . . . . 97
10.1.10 Certificates and approvals . . . . . . . . 98
10.1.11 Ordering information . . . . . . . . . . . . 98
10.1.12 Accessories . . . . . . . . . . . . . . . . . . . 98
10.1.13 Supplementary documentation . . . . 98
10.2 Dimensions of wall-mount housing . . . . . . . . 99
10.3 Dimensions of W sensors (Clamp On) . . . . . 100
10.4 Dimensions of U sensors (Clamp On) . . . . . 100
10.5 Dimensions of W sensors (Insertion version) 101
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

PROline Prosonic Flow 90 1 Safety instructions
Endress+Hauser 7
1 Safety instructions
1.1 Designated use
The measuring device described in these Operating Instructions is to be used only for
measuring the flow of liquids in closed pipes, e.g.:
Ultra clean water with low conductivity
Water, wastewater, etc.
As well as measuring the volume flow, the measuring system also always measures the
sound velocity of the fluid. The sound velocity can be used to distinguish different fluids
or as a measure of fluid quality.
The manufacturer accepts no liability for damage resulting from incorrect use or other
than designated use.
1.2 Installation, commissioning and operation
Note the following points:
Installation, connection to the electricity supply, commissioning and maintenance of
the device must be carried out by trained, qualified specialists authorized to perform
such work by the facility's owner-operator. The specialist must have read and under-
stood these Operating Instructions and must follow the instructions they contain.
The device must be operated by persons authorized and trained by the plant opera-
tor. Strict compliance with the instructions in the Operating Instructions is mandatory.
Endress+Hauser will be happy to assist in clarifying the chemical resistance proper-
ties of parts wetted by special fluids, including fluids used for cleaning.
If welding work is performed on the piping system, do not ground the welding appli-
ance through the Prosonic flowmeter.
The installer must ensure that the measuring system is correctly wired in accordance
with the wiring diagrams. The transmitter must be grounded, unless the power supply
is galvanically isolated.
Invariably, local regulations governing the opening and repair of electrical devices
apply.
1.3 Operational safety
Note the following points:
Measuring systems for use in hazardous environments are accompanied by separate
“Ex documentation”, which is an integral part of these Operating Instructions. Strict
compliance with the installation instructions and connection data as listed in the sup-
plementary “Ex”documentation is mandatory. The symbol on the front of the Ex doc-
umentation indicates the approval and the certification body
(0Europe, 2 USA, 1 Canada).
The measuring device complies with the general safety requirements in accordance
with EN 61010, the EMC requirements of EN 61326/A1, and NAMUR Recommenda-
tion NE 21.
The manufacturer reserves the right to modify technical data without prior notice. Your
E+H distributor will supply you with current information and updates to these Operat-
ing Instructions.

1 Safety instructions PROline Prosonic Flow 90
8Endress+Hauser
1.4 Return
The following procedures must be carried out before a flowmeter requiring repair or cal-
ibration, for example, is returned to Endress+Hauser:
Always, enclose a fully completed “Declaration of contamination”form. Only then can
Endress+Hauser transport, examine and repair a returned device.
Enclose special handling instructions if necessary, for example a safety data sheet as
per EN 91/155/EEC.
Remove all fluid residues. Pay special attention to the grooves for seals and crevices
which could contain fluid residues. This is particularly important if the fluid is hazard-
ous to health, e.g. flammable, toxic, caustic, carcinogenic, etc.
!Note!
A copy of the “Declaration of contamination”can be found at the end of these Operating
Instructions.
#Warning!
Do not return a measuring device if you are not absolutely certain that all traces of haz-
ardous substances have been removed, e.g. substances which have penetrated
crevices or diffused through plastic.
Costs incurred for waste disposal and injury (caustic burns, etc.) due to inadequate
cleaning will be charged to the owner-operator.
1.5 Notes on safety conventions and icons
The devices are designed to meet state-of-the-art safety requirements. They have been
tested and left the factory in a condition in which they are safe to operate. The devices
comply with the applicable standards and regulations in accordance with EN 61010
“Protection Measures for Electrical Equipment for Measurement, Control, Regulation
and Laboratory Procedures”. They can, however, be a source of danger if used incor-
rectly or for other than the designated use.
Consequently, always pay particular attention to the safety instructions indicated in
these Operating Instructions by the following symbols:
#Warning!
“Warning”indicates an action or procedure which, if not performed correctly, can result
in injury or a safety hazard. Comply strictly with the instructions and proceed with care.
"Caution!
“Caution”indicates an action or procedure which, if not performed correctly, can result
in incorrect operation or destruction of the device. Comply strictly with the instructions.
!Note!
“Note”indicates an action or procedure which, if not performed correctly, can have an
indirect effect on operation or trigger an unexpected response on the part of the device.

PROline Prosonic Flow 90 2 Identification
Endress+Hauser 9
2 Identification
2.1 Device designation
The "Prosonic Flow 90" flowmeter system consists of the following components:
Transmitter Prosonic Flow 90
Measuring sensors Prosonic Flow W and U
2.1.1 Nameplate of the transmitter
Fig. 1: Nameplate specifications for the “Prosonic Flow 90” transmitter (example)
1 Ordering code / serial number: See the specifications on the order confirmation for the meanings of the
individual letters and digits.
2 Power supply / frequency: 16...62 V DC / 20...55 V AC / 50...60 Hz
Power consumption: 15 VA / W
3 Available inputs and outputs:
I-OUT (HART): with current output (HART)
f-OUT: with pulse/frequency output
STATUS-IN: with status input (auxiliary input)
STATUS-OUT: with status output
4 Reserved for information on special products
5 Ambient temperature range
6 Degree of protection
PROSONIC FLOW 90
ENDRESS+HAUSER
Order Code:
Ser.No.:
TAG No.:
90WA1-XXXXXXXXXXXX
12345678901
ABCDEFGHJKLMNPQRST
16-62VDC/20-55VAC
50-60Hz
I-OUT (HART), f-OUT
STATUS-IN, STATUS-OUT
15VA/W
IP67 / NEMA / Type 4X
-20°C (-4°F) < Tamb < +60°C (+140°F) FEK0921
i
Pat. US 5,479,007
Pat. UK EP 618 680
1
2
56
3
4
F06-90Wxxxxx-18-00-xx-xx-000

2 Identification PROline Prosonic Flow 90
10 Endress+Hauser
2.1.2 Nameplate of the Prosonic Flow W sensors
Fig. 2: Nameplate specifications for the “Prosonic Flow W”sensors (example)
1 Ordering code / serial number: See the specifications on the order confirmation for the meanings of the
individual letters and digits.
2Sensortype
3 Range of nominal diameters: DN 100...4000
4 Max. fluid temperature range: –20 °C (–4 °F) ... +80 °C (+175 °F)
5 Reserved for information on special products
6 Degree of protection
7 Ambient temperature range
8 Data on explosion protection
Refer to the specific additional Ex documentation for detailed information. Please do not hesitate to con-
tact your E+H sales office if you have any questions.
2.1.3 Nameplate of the Prosonic Flow U sensors
Fig. 3: Nameplate specifications for the “Prosonic Flow U”sensors (example)
1 Ordering code / serial number: See the specifications on the order confirmation for the meanings of the
individual letters and digits.
2Sensortype
3 Range of nominal diameters: DN 15...100
4 Max. fluid temperature range: –20 °C (–4 °F) ... +80 °C (+175 °F)
5 Degree of protection
6 Ambient temperature range: –20 °C (–4 °F) ... +60 °C (+140 °F)
7 Data on explosion protection
Refer to the specific additional Ex documentation for detailed information. Please do not hesitate to con-
tact your E+H sales office if you have any questions.
II3G
FEK0924-0001
EEx nL IIC/IIB T6-T1
ENDRESS+HAUSER
CH-4153 Reinach
TYPE 4X
NEMA
IP67
Tamb/Tumg:-20°C..+60°Ccontrol dwg. of transmitter
For Installation refer to
CL.II, Div.1, GP. EFG, CL.III
Dust-Ignitionproof for
CL.I, Div.2, GP. ABCD
APPROVED
FM
PROSONIC FLOW W
XXXXX-XXXXXXXXXXXX
ENDRESS+HAUSER
W-CL-1F-L-B
12345678901 RY
-20°C (-4°F) ... +80°C (+175°F)
Order Code:
DN100 - DN4000
Type:
Ser.No.: i
2001 06/a3/....
XA0..D/
OPEN CLOSE
1
2
3
4
5
7
8
6
F06-90Wxxxxx-18-00-xx-xx-001
1
2
4
6
7
5
3
DN15 - DN100
-20°C (-4°F) ... +60°C (+140°F)
-20°C (-4°F) ... +80°C (+175°F)
T amb.:
TM:
Type: U-CL-2F-L-A i
IP52
CH 1
Order Code:
PROSONIC FLOW U
ENDRESS+HAUSER Ser.No.:
93UA1-XXXXXXXXXXXX
12345678901
For Installation refer to control dwg. of transmitter
CL.I, Div.2, GP. ABCD
CL.I, Zone 2 IIC T6-T1
APPROVED
FM
F06-9xUxxxxx-18-05-xx-xx-001

PROline Prosonic Flow 90 2 Identification
Endress+Hauser 11
2.2 CE mark, declaration of conformity
The devices are designed to meet state-of-the-art safety requirements. They have been
tested and left the factory in a condition in which they are safe to operate. The devices
comply with the applicable standards and regulations in accordance with EN 61010
“Protection Measures for Electrical Equipment for Measurement, Control, Regulation
and Laboratory Procedures”and with the EMC requirements of EN 61326/A1.
The measuring system described in these Operating Instructions is therefore in con-
formity with the statutory requirements of the EC Directives. Endress+Hauser confirms
succesful testing of the device by affixing to it the CE mark.
2.3 Registered trademarks
HART ®is a registered trademark of the HART Communication Foundation, Austin, USA
SilGel ®is a registered trademark of Wacker-Chemie GmbH, Munich, D
F-Chip™, FieldTool™, FieldCheck™, Applicator™
are registered trademarks of Endress+Hauser Flowtec AG, Reinach, CH

2 Identification PROline Prosonic Flow 90
12 Endress+Hauser

PROline Prosonic Flow 90 3 Installation
Endress+Hauser 13
3 Installation
3.1 Incoming acceptance, transport and storage
3.1.1 Incoming acceptance
Check the packaging and the contents for damage.
Check the shipment, make sure nothing is missing and that the scope of supply
matches your order.
3.1.2 Transport
The devices must be transported in the container supplied when transporting them to
the measuring point.
3.1.3 Storage
Note the following points:
Pack the measuring device in such a way as to protect it reliably against impact for
storage (and transportation). The original packaging provides optimum protection.
The storage temperature corresponds to the ambient temperature range (Page 93) of
the transmitter, the measuring sensors and the corresponding sensor cables.
The measuring device must be protected against direct sunlight during storage in
order to avoid unacceptably high surface temperatures.

3 Installation PROline Prosonic Flow 90
14 Endress+Hauser
3.2 Installation conditions
3.2.1 Installation dimensions
The dimensions and the fitting lengths of the sensors and the transmitter are on
Page 97 ff.
3.2.2 Installation location
Correct measuring is possible only if the pipe is full. Avoid the following installation loca-
tions:
Do not install at the highest point in the run. Risk of air accumulating.
Do not install directly upstream from an open pipe outlet in a down pipe.
Fig. 4: Installation location
Down pipes
Notwithstanding the above, the installation proposal below permits installation in an
open down pipe. Pipe restrictions or the use of an orifice plate with a smaller cross-sec-
tion than the nominal diameter prevent the pipe from running empty while measurement
is in progress.
Fig. 5: Installation in a down pipe
1 = Supply tank, 2 = Measuring sensors, 3 = Orifice plate, pipe restriction, 4 = Valve, 5 = Filling tank
F06-9xxxxxxx-11-05-00-xx-006
1
2
3
4
5
6
-9xxxxxxx-11-05-00-xx-007

PROline Prosonic Flow 90 3 Installation
Endress+Hauser 15
3.2.3 Orientation
Vertical orientation
Recommended orientation with upward direction of flow (View A). Entrained solids sink
down. Gases rise away from the measuring sensor when fluid is not flowing. The piping
can be completely drained and protected against build-up.
Horizontal orientation
In the recommended installation range in a horizontal installation position (View B), gas
and air accumulation at the pipe cover and problematic build-ups at the bottom of the
pipe have a minor influence on the measurement.
Fig. 6: Installation position (A = vertical, B = horizontal, C = recommended installation range max. 120°)
3.2.4 Inlet and outlet runs (Clamp On version)
If possible, install the sensor well clear of assemblies such as valves, T-pieces, elbows,
etc. If several flow obstructions are installed, the longest inlet or outlet run must be con-
sidered. Compliance with the following requirements for the inlet and outlet runs is rec-
ommended to ensure measuring accuracy.
Fig. 7: Inlet and outlet runs (Clamp On version)
1 = Valve; 2 = Pump; 3 = Two pipe bends in different directions
F06-9xxxxxxx-11-05-00-xx-004
≥15 x DN
≥40 x DN
≥20 x DN
≥40 x DN
≥5 x DN
1
2
3
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3.2.5 Inlet and outlet runs (Insertion version)
If possible, install the sensor well clear of assemblies such as valves, T-pieces, elbows,
etc. The longest inlet or outlet run must always be taken into account if several flow
obstructions are built in. Compliance with the following requirements for the inlet and
outlet runs is recommended to ensure measuring accuracy.
Fig. 8: Inlet and outlet runs (Insertion version)
1 = Valve; 2 = Pump; 3 = Two pipe bends in different directions
Data above the dimension line: apply to the single path version
Data below the dimension line: apply to the dual path version
3.2.6 Connecting cable length
Shielded cables are offered in the following lengths:
5 m, 10 m, 15 m and 30 m
"Caution!
Route the cable well clear of electrical machines and switching elements.
≥15 x DN
≥10 x DN
≥40 x DN
≥40 x DN
≥20 x DN
≥15 x DN
≥40 x DN
≥20 x DN
≥5 x DN
≥5 x DN
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3.3 Installation instructions
3.3.1 Installing tensioning bands (Clamp On)
For W sensors DN 50...200
1. Push one of the supplied threaded bolts on the tensioning band.
2. Run the tensioning band around the pipe without twisting it and push the end
through the tensioning band lock (make sure that the screw is pushed up).
3. By hand, make the tensioning band as tight as possible.
4. Push the screw down and tighten the tensioning band with a screwdriver so that it
cannot slip.
5. If so desired, shorten the tensioning band to the desired length.
"Caution!
Risk of injury. When shortening the tensioning band, try to avoid sharp edges.
Fig. 9: Tensioning band installation for DN 50...200
For W sensors DN 250...4000
The following steps relate to Fig. 10 on Page 18.
1. Measure the pipe circumference.
Shorten the tensioning band to the pipe circumference +10 cm.
"Caution!
Risk of injury. When shortening the tensioning band, try to avoid sharp edges.
2. Loop the tensioning band through one of the centering plates supplied with the
threaded bolt (1).
3. Insert both ends of the tensioning bands down into the openings in the tensioning
band lock (2). Bend back the ends of the tensioning bands.
4. Interlock both halves of the lock (3). Make sure that there is sufficient space for the
tensioning band to be tightened with the locking screw.
5. Tighten the tensioning band using a screwdriver (4).
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Fig. 10: Tensioning band installation for DN 250...4000
For U sensors - DN 15...100
The procedure for installing the tensioning bands for the U sensor is explained on
Page 23 in the "Installing the sensor Prosonic Flow U" Section.
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3.3.2 Use of weld bolts for W sensors
Weld bolts can be used instead of tensioning bands for the following types of installation
of the W Clamp On measuring sensors.
To determine the sensor spacing, (distance from the center of the first bolt to the center
of the second bolt), use the Quick Setup program “Sensor Installation”as described on
Page 60. For an exact description of the sensor installation process, please refer to the
appropriate pages of the Clamp On versions. You must keep to same installation
sequence.
!Note!
To run the “Sensor Installation”Quick Setup, the transmitter must be installed and con-
nected to the power supply.
If you want to use a non-metric M6 ISO thread, please note the following:
You require a sensor holder with a removable locking nut.
(Ordering code: 90WAx –xBxxxxxxxxxx)
Remove the preinstalled locking nut on the sensor holder with a metric ISO thread.
Use a nut which matches your threaded bolt.
Fig. 11: Use of weld bolts
1 Welded joint
2 Locking nut
3 Hole diameter max. 8.7 mm
M6
50
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3.3.3 Installing the Prosonic Flow W measuring sensors
(Clamp On)
1 or 3 traverses version
1. Fix a tensioning band for small or large nominal diameters as described on
Page 17.
Install the second tensioning band (threaded bolt on the opposite side). The sec-
ond tensioning band must still be moveable.
Intermediate step:
You can obtain the sensor spacing using the Quick Setup menu “Sensor installation”
(see Page 60).
!Note!
To run the “Sensor Installation”Quick Setup, the transmitter must be installed and con-
nected to the power supply.
2. Enter the wire length on both halves of the wire.
Fig. 12: Marking off of the determined cord length on the cord measurement equipment (SL = cord length)
3. Push the cable lug and the fixer over the first threaded bolt. Lead each cord along
one side of the pipe. Push the cable lug and the fixer over the second threaded bolt.
Pull in the threaded bolt with the tensioning band until both cords are the same
length. Fix the tensioning band. Loosen the Phillips screws of the fixing parts.
Remove the cords.
Fig. 13: Use of the cord measuring equipment for positioning of threaded bolts
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