Onicon F-4000 Series Assembly instructions

F-4000 Series
Clamp-on Ultrasonic Flow Meter
Installation & Basic Operation Guide
1500 North Belcher Road, Clearwater, Florida 33765 • [phone] • Fax [phone]
www.onicon.com • [email protected] 07-1318838 / 0707-7
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F-4000 Series Ultrasonic Flow Meter Manual 07/13 - 0707-7 Page 2
SAFETY INFORMATION
This meter was calibrated at the factory before shipment. To ensure correct use of the meter, please
read this manual thoroughly.
Regarding this Manual:
• This manual should be passed on to the end user.
• Before use, read this manual thoroughly to comprehend its contents.
• The contents of this manual may be changed without prior notice.
• All rights reserved. No part of this manual may be reproduced in any form without
ONICON’s written permission.
• ONICON makes no warranty of any kind with regard to this material, including, but not
limited to, implied warranties of merchantability and suitability for a particular purpose.
• All reasonable effort has been made to ensure the accuracy of the contents of this manual.
However, if any errors are found, please inform ONICON.
• ONICON assumes no responsibilities for this product except as stated in the warranty.
• If the customer or any third party is harmed by the use of this product, ONICON assumes
no responsibility for any such harm owing to any defects in the product which were not
predictable, or for any indirect damages.
Safety Precautions:
The following general safety precautions must be observed during all phases of installation,
operation, service, and repair of this product. Failure to comply with these precautions or with
specic WARNINGS given elsewhere in this manual violates safety standards of design,
manufacture, and intended use of the product. ONICON Incorporated assumes no liability for the
customer’s failure to comply with these requirements. If this product is used in a manner not
specied in this manual, the protection provided by this product may be impaired.
The following symbols are used in this manual:
!
!
WARNING
Messages identied as “Warning” contain information regarding the personal safety of individuals
involved in the installation, operation or service of this product.
CAUTION
Messages identied as “Caution” contain information regarding potential damage to the product or
other ancillary products.
IMPORTANT NOTE
Messages identied as “Important Note” contain information critical to the proper operation of the
product.
i
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TABLE OF CONTENTS
1.0 INTRODUCTION .................................................................................................5
1.1 PURPOSE OF THIS GUIDE ...................................................................... 5
1.2 PRINCIPLE OF OPERATION.................................................................... 5
1.3 TYPICAL FLOW METER INSTALLATION ..............................................5
1.4 STANDARD FEATURES AND SPECIFICATIONS................................... 6
1.5 MAINTENANCE ........................................................................................7
1.6 ADDITIONAL REQUIRED HARDWARE...................................................7
1.7 ADDITIONAL HARDWARE THAT MAY BE REQUIRED.........................7
1.8 WORKING ENVIRONMENT ....................................................................7
1.9 WARRANTY AND SERIAL NUMBER ....................................................7
2.0 UNPACKING ......................................................................................................8
2.1 CHECKING THAT YOU HAVE RECEIVED EVERYTHING ..................... 8
3.0 INSTALLATION................................................................................................... 9
3.1 OVERVIEW ...............................................................................................9
3.2 SITE SELECTION.....................................................................................10
3.3 MECHANICAL INSTALLATION.............................................................12
3.3.1 Mounting the Enclosure ............................................................12
3.3.2 Preparing the Pipe .....................................................................13
3.3.3 Reect Mode Mounting Using Frames and Spacer Bar............13
3.3.4 Reect Mode Mounting Using Track Mount Hardware ...........14
3.3.5 Direct Mode Mounting Using Brackets and Spacer Bar...........16
3.3.6 Direct Mode Mounting Using Track Mount Hardware.............20
3.3.7 Installing Transducers In Bracket and Spacer
Bar Hardware .............................................................................22
3.3.8 Installing Transducers In Track Mount Hardware....................23
3.4 CONNECTING THE TRANSDUCER SIGNAL CABLES ........................24
3.5 INSTALLING THE F-CONNECTORS......................................................25
3.5.1 Cable Preparation.......................................................................25
3.5.2 Cable & Connector Assembly ....................................................25
3.5.3 Final Assembly ..........................................................................25
3.6 ELECTRICAL INSTALLATION ...............................................................26
3.6.1 Input Power Options .................................................................26
3.6.2 Electrical Connections...............................................................27
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4.0 START-UP ....................................................................................................29
4.1 PROGRAM MODE KEYPAD FUNCTIONS .............................................29
4.2 RECALLING A SAVED SITE ...................................................................30
4.3 INSTALLING RECALLED SITES.............................................................31
4.3.1 Reect Mount Installations .......................................................31
4.3.2 Direct Mount Installations.........................................................32
4.4 NAVIGATING THE RUN MODE MENU PAGES.....................................33
5.0 COMMISSIONING FOR ONICON CLAMP-ON
ULTRASONIC FLOW METERS..........................................................................35
5.1 HELPFUL HINTS FOR START-UP AND COMMISSIONING.................35
5.2 COMMISSIONING PROCEDURE ............................................................35
5.3 COMMISSIONING WORKSHEET...........................................................37
6.0 TROUBLESHOOTING........................................................................................38
APPENDIX
A-1 SONIC VELOCITY RELATIVE TO TEMPERATURE OF PURE WATER
A-2 F-4000 SERIES MOTHER BOARD
A-3 CONDITIONS OF SALE
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SECTION 1.0: INTRODUCTION
1.1 PURPOSE OF THIS GUIDE
The purpose of this guide is to provide installation and commissioning procedures and basic
operating and servicing instructions for the ONICON F-4000 Series Ultrasonic Flow Meter.
1.2 PRINCIPLE OF OPERATION
ONICON F-4000 Series Ultrasonic Flow Meters utilize the differential transit time method to
measure the velocity of relatively clean liquids in full pipes. By measuring the difference between
transit times of ultrasonic sound waves travelling between two transducers, the ow velocity and
direction are accurately determined.
1.3 TYPICAL F-4000 FLOW METER
The F-4000 Series Ultrasonic Flow Meter utilizes clamp-on signal transducers that mount on
the outside wall of the pipe. It is suitable for measuring the volumetric ow of liquids in a wide
variety of applications including bi-directional ow applications. The meter is housed in a steel
wall-mounted enclosure with a built-in user interface/display.
TYPICAL INSTALLATION
OUTPUT SIGNALS
4-20mA
Scaled Pulse
Relay Output
ENTER
Precision
Matched
Transducers
Coaxial
Transducer
Cables
Flow
POWER
F-4000 SERIES
FLOW METER
Mounting
Hardware
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1.4 STANDARD FEATURES AND SPECIFICATIONS
• Wall-mounted NEMA 4 steel enclosure with 2-line alphanumeric user interface/display
• One externally powered electrically isolated 4-20 mA analog output for ow rate
• One scalable electrically isolated open collector pulse output for totalizing ow
• One programmable form C relay to indicate ow direction or alarm.
GENERAL SPECIFICATIONS
ACCURACY
± 1.0% of reading from 1 to 40 ft/sec
± 0.01 ft/s for velocities below 1 ft/sec
OVERALL FLOW RANGE
0.1 to 40 ft/sec
SENSING METHOD
Clamp-on ultrasonic, differential transit time
method in direct or reect mode
PIPE SIZE RANGE
½” through 48” nominal diameter
PROGRAMMING
Factory programmed for specic application
MEMORY
Non-volatile memory retains all program
parameters and totalized values in the event of
power loss.
DISPLAY
Alphanumeric 2-line, 16-characters per line
multifunction LCD display
(Character height, 0.2”)
Displays total ow, ow rate, speed of sound,
% gain, % aeration, signal strength, ow
direction & alarm conditions
Rate display range: 0 - 9,999,999
Totalizer display range: 0 – 99,999,999
Totalizers will roll over to zero when maximum
count is exceeded.
OUTPUT SIGNALS PROVIDED
Analog output: Electrically isolated 4-20 mA
(Externally powered 10 – 30 VDC)
Scalable pulse output: Optically isolated open
collector (Contact rating: 30 VDC, 10 mA
maximum, pulse duration: 50 ms)
Relay output for ow direction or alarm:
Programmable form C relay (Contact rating: 30
VDC, 250 mA maximum)
FLUID TEMPERATURE RANGE
Standard: -40° F to 250° F
Optional: High Temperature -40° F to 446° F
AMBIENT OPERATING TEMPERATURE RANGE
14° F to 122° F
STORAGE TEMPERATURE RANGE
-4˚ F to 140˚ F
MECHANICAL
MATERIALS OF CONSTRUCTION
Electronics enclosure: Wall-mount, powder coat
painted steel enclosure with stainless steel
hardware
Transducer mounting hardware: Anodized
aluminum and stainless steel
Transducers: Anodized aluminum and plastic
ENCLOSURE RATINGS
NEMA 4, weathertight
ELECTRICAL
This equipment is intended for INSTALLATION
CATEGORY (OVERVOLTAGE CATEGORY) II
applications. Installations must comply with all local,
state and federal building codes.
INPUT POWER – Factory selectable
11.5 to 28.5 VDC, 10 Watts maximum
(Internal: 5x20mm, 250V/2.0A fuse)
90-240 VAC 50/60 Hz, 15 VA maximum
(Internal: 5x20mm, 250V/0.5A fuse)
OVERCURRENT PROTECTIVE DEVICE RATINGS:
Supply mains overcurrent protective devices with
the following ratings:
120 VAC 50/60 Hz – 15 A
230 VAC 50 Hz – 6 A
ELECTRICAL CONNECTIONS
Enclosed terminal connections, cable access through
four standard ¾” conduit openings
Transducer signals: (2) F-connectors supplied with
quick-disconnect adapters
Input power: 3 terminal removable connectors
(12 – 22 AWG)
Signal inputs/outputs: PCB mount terminal blocks
(14 – 26 AWG)
WIRING
Transducer signals: Use Belden 9269 coaxial cable or
equivalent (93Ω nominal impedance)
24 VDC input power: Use PVC jacketed copper cable
with a wire gauge suitable for the length of run and
required maximum current carrying capacity.
Provide a separate protective earth wire.
120/230 VAC input power: Use a 3-wire service
with one wire a protective earth ground.
Signal inputs/outputs: Use PVC jacketed copper
shielded cable with a wire gauge suitable for the
length of run and required maximum current
carrying capacity.
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1.5 MAINTENANCE
Periodically inspect the power cables, transducer cables, cable glands and the enclosure for signs
of damage. Inspect transducer installation and mounting hardware for loose connections.
1.6 ADDITIONAL REQUIRED HARDWARE
Installation hardware: ONICON clamp-on ultrasonic ow meters typically require installation
hardware. Hardware requirements vary by pipe size and material.
1.7 ADDITIONAL HARDWARE THAT MAY BE REQUIRED
Flex conduit may be required to connect transducer to rigid conduit. Do not connect transducers
to rigid conduit.
1.8 WORKING ENVIRONMENT
The F-4000 was designed for installation and use in typical commercial/industrial environments.
The following considerations must be observed in selecting a location for the meter:
• The ambient operating temperature range is 14° F (-10° C) to 122° F (50° C).
• Do not expose the meter to corrosive liquids or fumes.
• Avoid installation locations that are close to strong sources of electrical interference.
• Avoid installing the electronics enclosure in direct sunlight.
• Avoid installation locations where the transducers will be exposed to vibrations in the
piping system.
• Always run transducer cables in dedicated conduit separate from signal and power cables.
• Do not run signal cables for the meter in conduit with mains (AC) power cables.
1.9 WARRANTY & SERIAL NUMBER
Warranty
ONICON provides a 2-year warranty for this product. Certain exclusions apply. Please refer to
ONICON’s Conditions of Sale for details.
Serial Number
The serial number of your F-4000 is located outside and inside the enclosure. All components
of your F-4000 (electronics enclosure & transducers) will bear identical serial numbers. Serial
numbers are unique identiers that you should have available when contacting ONICON for
assistance regarding your meter.
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SECTION 2.0: UNPACKING
The F-4000 is generally shipped in one package unless optional hardware or equipment is ordered.
Notify the freight carrier (all products are shipped insured) and ONICON if any items are damaged in
transit.
2.1 CHECKING THAT YOU HAVE RECEIVED EVERYTHING
• Standard Documentation
Enclosed with each F-4000 is a comprehensive documentation package that includes the
following items:
This F-4000 Ultrasonic Flow Meter Installation and Operation Guide
The Flow Meter Certicate of Calibration
Site Installation Details Document
Please notify ONICON if any of these items are missing.
IMPORTANT NOTE
The ONICON F-4000 Ultrasonic Flow Meter is a custom calibrated system. Unless specically noted
in writing by ONICON, ALL COMPONENTS (electronics enclosure and ultrasonic transducers)
share the same serial number and must be installed together as a system. Mixing components from
different systems will result in signicant errors in calibration.
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• The Wall Mount Enclosure
Remove the F-4000 enclosure from the shipping carton and inspect it inside and out for
physical damage. Please notify ONICON immediately if you discover any damage.
Transducers are shipped in the same carton with the enclosure. Inspect the transducers for
signs of damage. Each transducer will have a label attached with a serial number identical to
that found on the F-4000 enclosure. Included with the transducers are two dry coupling pads
and one tube of coupling compound.
• Transducers Cables
Transducer cables are coiled and packed separately in the outer carton. Taped to the cables
is a termination kit that includes the ttings necessary to terminate the transducer end of the
cables. The other end of each cable is already terminated.
• Installation Hardware
Installation hardware may include mounting brackets and a spacer bar or a track mount
assembly. Taped to this hardware will be a mounting strap kit. This kit includes the mounting
straps used to secure the hardware onto the pipe, a sanding block for preparing the pipe
surface, and a mylar mounting guide used when mounting transducers in direct operating
mode. The kit will also include a copy of the F-4000 Site Installation Details for this meter.
This document provides specic details such as transducer spacing. This information is
unique to the specic installation site and is identied by the meter location tag name and the
serial number of the meter.
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SECTION 3.0: INSTALLATION
3.1 OVERVIEW
Each F-4000 Series Ultrasonic Flow Meter is provided with a pair of precision matched ultrasonic
transducers. The transducers are mounted (clamped) on to the outside wall of the pipe. Coaxial
cables convey the transducer signals to the wall mount enclosure containing the signal processing
circuitry and the user interface display. Ultrasonic transducers can be congured to operate
in either reect or direct operating modes. The choice of operating mode is dictated by the
conguration settings programmed into the meter. For new installations, conguration data is
programmed into the meter prior to shipment. This data is saved as a “Site”. Site data determines
the transducer operating mode and the spacing between the transducers. This information is
provided with the installation hardware in a document titled, “F-4000 Site Installation Details”.
Reect Mode
Reect mount is the recommended operating mode whenever possible. It is the simplest way
to mount the transducers. Operating in the reect mode also minimizes the effects of some ow
distortions and enables the use of the auto zero function.
Direct Mode
Direct mount provides a shorter sonic beam path. This usually improves performance with
sonically attenuative liquids or pipe materials. Direct mount is required for plastic pipes. Direct
mounting only requires half the distance between electrodes when compared to the reect mode
and may be the only option if the availability of mounting space is limited.
Transducers
Reflect Mode
Pipe Wall
Direct Mode
Flow Flow
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3.2 SITE SELECTION
Careful attention to the site selection for the system components will help the installers with the
initial installation, reduce start-up problems and make future maintenance easier. For example,
do not install the meter where it will be difcult for personnel to perform periodic maintenance.
When selecting a site for mounting the system components, consider the criteria under Section
1.8 WORKING ENVIRONMENT, as well as the following:
The Wall-Mount Enclosure
Find an easily accessible location where wire connections can be made and meter readings can
be taken from oor level. Mount the enclosure on a vibration-free surface. Avoid sites such as
the plenum of a fan coil, heat exchanger, or other housings containing motors. Avoid mounting
the enclosure in close proximity to VFD’s, electric motors or other strong sources of electrical
interference.
IMPORTANT NOTE
The maximum allowable distance between the wall-mount enclosure and the transducers installed
on the pipe is 300 feet.
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• Do not, if possible, install the transducers downstream from a throttling valve, a mixing tank,
the discharge of a positive displacement pump or any other equipment that could possibly
aerate the liquid. The best location will be as free as possible from ow disturbances,
vibration, sources of heat, noise, or radiated energy.
• Avoid mounting the transducers on a section of pipe with any external scale. Remove all
scale, rust, loose paint, etc., from the location prior to mounting the transducers.
• Do not mount the transducers on a surface aberration (pipe seam, etc.).
• Do not mount transducers from different ultrasonic ow meters on the same pipe.
• Do not run the transducer coaxial cables in common bundles with cables from other
instrumentation. You can run these cables through a common conduit ONLY if they originate
at the same ow meter.
• Never mount transducers under water, unless you have specically purchased submersible
transducers and you install them in accordance with factory instructions.
• Avoid mounting transducers on the top of a horizontal pipe. The best placement on a
horizontal pipe is either the 10:00 or 2:00 position for reect mode, or one sensor at 9:00 and
one sensor at 3:00 for direct mode.
• Do not mount transducers on the bottom of a horizontal pipe.
• Mounting on a vertical pipe is recommended only if ow is in the upward direction. When
mounting on a vertical pipe owing in a downward direction, make sure there is sufcient
back pressure in the system to maintain a full pipe.
IMPORTANT NOTE
In some cases, longer straight runs may be necessary where the transducers are placed downstream
from devices which cause unusual ow prole disruptions or swirl; for example, modulating valves
or two elbows in close proximity and out of plane, etc.
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The Transducers
For best results, the transducers must be installed on a straight run of pipe, free of bends, tees,
valves, transitions, insertion probes and obstructions of any kind. For most installations, ten
straight unobstructed pipe diameters upstream and ve diameters downstream of the transducers
is the minimum recommended distance for proper operation. Additional considerations are
outlined below.
Flow
10 Dia. 5 Dia.
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CAUTION
Do not drill additional holes in this enclosure. Doing so may damage the electronic circuitry
contained within and will void all warranties.
!
IMPORTANT NOTE
This ONICON F-4000 Ultrasonic Flow Meter is a custom calibrated system. Unless specically
noted in writing by ONICON, ALL COMPONENTS (electronics enclosure and precision matched
transducers) share the same serial number and must be installed together as a system. Mixing
components from different systems will result in signicant errors in calibration.
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3.3 MECHANICAL INSTALLATION
3.3.1 Mounting the Enclosure
Find an easily accessible location where electrical connections can be made and meter
readings can be taken from the oor level. Mount the enclosure on a vibration-free
surface. Avoid sites such as the plenum of a fan coil, heat exchanger, or other housings
containing motors. Avoid mounting the enclosure in close proximity to VFD’s, electric
motors or other strong sources of electrical interference.
6” 2.5”
10.75”
Hinge side shown
for refernce.
2.5”
2”
4”
4xØ0.312
2xØ1.115
2” 2” 4”
2xØ1.115
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3.3.3 Reect Mode Mounting Using Frames and Spacer Bar
1. Prepare the pipe surface as described in section 3.3.2.
2. On a at surface, assemble the hardware as shown in the drawing below.
3.3.2 Preparing the Pipe
Once a suitable section of straight pipe has been located, the pipe surface must be
prepared. Refer to the Site Installation Details document provided with the installation
hardware to determine the transducer spacing dimensions. Prepare the pipe surface as
shown below. Clean and de-grease two rectangles where the transducers will be located.
Use the small sanding block provided with the installation hardware as necessary to
remove any grit, corrosion, rust, loose paint or other contaminants. The cleaned surface
should extend at least ½” beyond the length and width of the transducers.
Always install hardware at the 10:00 or 2:00 position on horizontal pipes. This prevents
the ow meter from being affect by air trapped at the top of the pipe.
Refer to site installation details
document for transducer spacing.
Prepare mounting
locations for transducers. For horizontal pipes, locate transducers at
the 10:00 or 2:00 position.
Orient mounting brackets as shown.
Reference hole
Refer to the Site Installation Details document
provided with the installation hardware to
determine the correct hole location.
Numbered index holes
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3. Install the mounting straps as shown below. For larger pipes, use multiple straps
connected end-to-end to increase the length of each strap. Leave enough slack in the
straps to allow the assembly to be correctly positioned on the pipe.
4. Move the hardware assembly to its nal position on the pipe. Align the brackets
with the prepared surface for each transducer as shown below, ensuring that the
entire assembly is properly oriented along the axis of the pipe. Tighten the assembly
rmly on the pipe. Do not over tighten the straps.
3.3.4 Reect Mode Mounting Using Track Mount Hardware
1. Prepare the pipe surface as described in section 3.3.2.
2. Place the track mount hardware assembly at the 10:00 or 2:00 position on the pipe at
the desired mounting location. Ensure that it is a clean, smooth area without any raised
spots or seams.
TRACK 400
Prepared Surfaces
Wrap the rst mounting strap
around the pipe and under the
spring clip on top of the mounting
bracket. Make sure to position
it so there is easy access to the
adjustment screw. Repeat this
procedure for the second mounting
bracket.
Spring clip
Adjustment screw Adjustment screw
Spring clip
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3. Holding the track mount assembly in place, wrap one of the mounting straps around
the pipe as shown in the drawing below. Tighten the tension screw enough to hold the
assembly on the pipe, but still allow rotation. Repeat for the other mounting strap.
4. Rotate the track mount assembly as necessary to its nal itended mounting position
on the pipe, then tighten both tension screws just enough to prevent rotation. Do not
over tighten.
Mounting Strap Mounting Strap
TRACK 400
Prepared Surfaces
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2. To prepare the pipe, temporarily position a mounting bracket on the pipe where you
will be mounting it. Ensure that the pipe surface is smooth without any raised areas
(seams, etc.) With a pencil, marker or chalk, draw a generous rectangle around the
bracket. Clean and de-grease the area within the rectangle. Use the small sanding block
provided with the installation hardware as necessary to remove any grit, corrosion,
rust, loose paint or other contaminants. Be sure to wipe the surface clean after sanding.
The cleaned surface should extend at least ½” beyond the length and width of the
mounting bracket.
3. Attach the spacer bar to one of the mounting brackets at the reference hole.
3.3.5 Direct Mode Mounting Using Brackets and Spacer Bar
1. Once the installation site selection process described in section 3.2 is complete,
prepare the pipe where the rst sensor will be mounted.
IMPORTANT NOTE
Direct mode mounting requires that transducers be installed on opposite sides of the pipe. For
horizontal pipes, the transducers should be located at the 3 o’clock and 9 o’clock positions.
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Clamping Screw
Spacer Bar
Reference Hole
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5. Attach the second bracket to the spacer bar at the numbered index hole specied on
the site installation details document provided with the installation hardware. Note
that the angled end of the bracket must be facing away from the other mounting
bracket.
6. Check to ensure that this bracket is lined up on the center of the pipe. While holding
the bracket centered on the pipe, place a mark (with pencil or chalk) at the center of
the tapered roller at the bottom of the bracket as shown below. Next, mark along the
edge of the bracket as indicated in the drawing below.
4. Position the mounting bracket and spacer bar in the center of the cleaned area and
secure it in place with a mounting strap as shown below. Make sure the mounting
strap tightening screw is facing up. Note that the angled end of the bracket must be
facing away from where the other bracket will be mounted. While tightening the strap,
check to ensure that the bracket remains centered on the pipe. (The bracket is centered
on the pipe when the bottom edges of both aluminum side plates on the bracket are in
full contact with the pipe surface.)
50%50%
1.5869
Orient mounting brackets as shown.
Reference hole
Refer to the Site Installation Details document
provided with the installation hardware to
determine the correct hole location.
Numbered index holes
Place mark at center
of tapered roller. Draw line along edge
of bracket.
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7. Remove the bracket from the spacer bar and then remove the spacer bar from the
bracket that is strapped to the pipe. Using the spacer bar as a straight edge, draw a line
down the center of the pipe intersecting the mark made at the center of the tapered
roller and the line drawn against the edge of the bracket as shown below.
8. Wrap the Mylar spacing guide around the pipe so that the left edge is against the
transducer edge mark. Arrange so that one end overlaps the other. Ensure that it is
snug around the pipe and mark along the overlapping edge.
9. Remove Mylar spacing guide and lay it out on a at surface. Either measure the exact
distance half-way between the overlap edge and the mark at the overlap, or fold the
guide from the overlap edge to overlap mark and draw a line at the fold or halfway
point.
50%50%
1.5869
50%50%
1.5869
50%
50%
1.5869
10. Reinstall the spacing guide; its edge abutting the bracket edge mark on the pipe and the
overlapping edge in line with the line drawn down the center of the pipe. Tape it in
this position on the pipe. Take the second bracket and place it against the edge of the
guide with its tapered roller centered on the half way mark drawn on the guide.
Draw line using spacer
bar as edge.
Spacer bar
Mylar spacing guide
Overlap edge mark
Draw the guide tightly
around the pipe and mark
at the overlapping edge.
Mylar spacing guide aligned
with marks on pipe.
Bracket aligned with edge of
guide and centered on marks
on the guide.
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F-4000 Series Ultrasonic Flow Meter Manual 07/13 - 0707-7 Page 19
11. Ensure that the bracket is sitting on a smooth area without any raised spots (seams,
etc.). Mark a generous rectangle around the bracket with a pencil, marker or chalk.
Remove the bracket and the Mylar guide.
12. Clean and de-grease the area within the rectangle. Use the small sanding block
provided with the installation hardware as necessary to remove any grit, corrosion,
rust, loose paint or other contaminants. The cleaned surface should extend at least ½”
beyond the length and width of the mounting bracket.
13. Replace the Mylar guide back in the same position it was in and re-tape it to the pipe.
14. Position the bracket as before against the edge of the guide with its tapered roller
centered on the half way mark drawn on the guide. Secure it in place with a mounting
strap as shown below. Make sure the mounting strap tightening screw is facing toward
the bracket so you can hold it in place while tightening the screw. Note that the angled
end of the bracket must be facing away from where the other bracket will be mounted.
While tightening the strap, check to ensure that the bracket remains centered on the
pipe. (The bracket is centered on the pipe when the bottom edges of both aluminum
side plates on the bracket are in full contact with the pipe surface.)
Mylar spacing guide aligned
with marks on pipe.
Bracket aligned with edge of
guide and centered on marks
on the guide.
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F-4000 Series Ultrasonic Flow Meter Manual 07/13 - 0707-7 Page 20
3.3.6 Direct Mode Mounting Using Track Mount Hardware
1. Once the installation site selection process described in section 3.2 is complete,
prepare the pipe where the rst sensor will be mounted.
2. To prepare the pipe, temporarily position one track mount hardware assembly on each
side of the pipe where you intend to permanently mount them as shown below.
Ensure that pipe surface is smooth without any raised areas (seams, etc.) With a
pencil, marker or chalk, draw a rectangle around each track mount assembly. Remove
the hardware from the pipe and clean and de-grease the area within the rectangles. Use
the small sanding block provided with the installation hardware as necessary to
remove any grit, corrosion, rust, loose paint or other contaminants. Be sure to wipe
the surface clean after sanding. The cleaned surface should extend at least ½” beyond
the length and width of each assembly.
3. Re-install the two track mount hardware assemblies on the pipe and loosely secure
them in place with the mounting straps provided. Align the assemblies such that they
are positioned on top of the cleaned surfaces.
IMPORTANT NOTE
Direct mode mounting requires that transducers be installed on opposite sides of the pipe. For
horizontal pipes, the transducers should be located at the 3 o’clock and 9 o’clock positions.
i
DIRECT MODE SPACING
9
2
0 1 4 53 86 71411
10 13
12 16
15 18
17 2019 21 23
22 24 25
REFLECT MODE SPACING
9
REF
5 86 7141211
10 13 16
15 18
17 2019 21 23
22 24 25
O.D. RANGE 1/4"-5"
TRACK 400
TRACK 400
O.D. RANGE 1/4"-5"
Mark pipe around each
track and clean within
the marked area.
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