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![Page 1: Www.hvac.vn Ultrasonic Flowmeters The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current.](https://reader035.fdocuments.us/reader035/viewer/2022062805/5697bfba1a28abf838ca01df/html5/thumbnails/1.jpg)
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Ultrasonic Flowmeters
The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific,
written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.
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OverviewPrinciples of Operation
Transit-Time Ultrasonic Flow Meter
Dwyer PortfolioIntroductionSpecificationsFeatures
Selection: Questions and Pipe MaterialApplications: Where Used
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OverviewUFM
UFB
UFC
PUF
PUB
GeneralPortable
PUB - GeneralPUF - Data logger
FixedUFM - BasicUFB - GeneralUFC - Data logger
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Overview
UXF2 & SX3
PUX2 & PSX2
UXF3, SX1 & SX2
IndustrialPortable
PUX2 – Data logger & BTU
PSX2 sensor
FixedUXF2 - General
SX3 sensor
UXF3 - <12% bubblesSX1 & SX2 sensors
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Operating PrincipleTransit Time Ultrasonic Flow Meter (Time of Flight)
Typically operate within 1-2 MHz frequencies Pair of transducers, each containing a piezo-electric crystalOne transducer transmits sound while the other acts as a receiverSignal transmitted upstream against the flowThen signal transmitted downstream
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Operating Principle
Difference in time is proportional to the flow velocityFlow volume is calculated by multiplying velocity by the cross-sectional areaTransit time ultrasonic is for clean liquids onlyParticles disrupt signal
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PUB & PUF - Introduction
Non-invasive, ultrasonic flow transmittersPortable, battery powered, handheld designComplete kits in portable casesPUF is also a data loggerPUB - $3667.00 BPUF - $6392.00 B
PUF
PUB
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PUB & PUF - Specifications
Accuracy: ± 0.5 to 2% of flow reading for > 0.66 ft/s (0.2 m/s)Range: 0.3 to 65.6 ft/s (0.1 to 20 m/s)Pipe diameter: 0.5 to 78” (13 to 2000 mm)Pipe wall thickness: 0.04 – 3” (1 to 75 mm)Pipe material: Carbon steel, SS, copper, PVC/PVDF, concrete, galvanized steel, mild steel, glass, brassOutput: Analog 4 to 20 mA & Pulse
PUF
PUB
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PUB & PUF - Features
Easy set up with quick guideConvenient, all inclusive kit, in durable carrying cases
Converter, transducer, holders, cables, grease, guide rail
One pair of sensors for 0.5 to 79” (13 to 2000 mm) pipes<3% by volume of particulate contentUK, US< European adapters includedUSB, RS-232 (PUF)
PUF
PUB
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UFB & UFC - Introduction
Non-invasive, ultrasonic flow transmittersPermanent, fixed install & operationUFC is also a data loggerUFB
UFC
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UFB & UFC - Specifications
Accuracy: ± 0.5 to 2% of flow reading for > 0.03 ft/s (0.01 m/s)Range: 0.3 to 33 ft/s (0.1 to 10 m/s)Pipe diameter: 0.5 to 79” (13 to 2000 mm)Pipe wall thickness: 0.04 – 3” (1 to 75 mm)Pipe material: Carbon steel, SS, copper, PVC/PVDF, concrete, galvanized steel, mild steel, glass, brassOutput: Analog 4 to 20 mA & Pulse
UFB
UFC
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UFB & UFC - Features
Simple programingAll parts included in model
Converter, transducer, holders, cables, grease, guide rail
One pair of sensors for 0.5 to 78” (13 to 2000 mm) pipes86 to 264 VAC, or 24 VAC/DC power<3% by volume of particulate contentUSB, RS-232 (UFC)
UFB
UFC
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UFM - Introduction
Non-invasive, ultrasonic flow transmitterBasic operationCompact bodyAdjustable guiderail for range of pipe sizesUFM
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UFM - Specifications
Accuracy: ± 3% of flow reading for > 0.98 ft/s (0.3 m/s)Range: 0.3 to 32.8 ft/s (0.1 to 10 m/s)Pipe diameter: 0.98 to 4.62” (24.9 to 117.4 mm)Pipe wall thickness: 0.02 to 0.39” (0.5 to 10 mm)Pipe material: Steel, copper, plasticOutput: Analog 4 to 20 mA & Pulse
UFM
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UFM - Features
Simple installationAll parts included in model
Converter, clamps, grease
One pair of sensors for 0.98 to 4.62” (24.9 to 117.4 mm) pipes12 to 24 VAC/DC power<3% by volume of particulate content
UFM
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UXF2 & UXF3 - Introduction
Non-invasive, ultrasonic flow transmittersPermanent, fixed install
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UXF2 & UXF3 - Specifications
Accuracy: ± 1% of rateRange: 0 to 105 ft/s (0 to 32 m/s) bidirectionalPipe diameter: 0.51 to 23.62” (13 to 600 mm)Pipe wall thickness: 0.004 – 3.9” (0.1 to 100 mm)Pipe material: Carbon steel, SS, copper, PVC/PVDF, cast iron, aluminum, ductile ironOutput: Analog 4 to 20 mA & switch contact
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UXF2 & UXF3 - Features
Includes converter (sensor sold separately)
See SX1, SX2, SX3
100-240 VAC, or 20-30 VAC/DC powerUXF2 <3% by volume of particulate contentUXF3 <12% by volume of particulate contentRS-485 communication
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PUX2 - Introduction
Non-invasive, ultrasonic flow transmitterPortable and compact
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PUX2 - Specifications
Accuracy: ± 1% of rateRange: 1 to 105 ft/s (0.3 to 32 m/s) bidirectionalPipe diameter: 0.51 to 23.62” (13 to 600 mm)Pipe wall thickness: 0.004 – 3.9” (0.1 to 100 mm)Pipe material: Carbon steel, SS, copper, PVC/PVDF, cast iron, aluminum, ductile ironOutput: Analog 4 to 20 mA
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PUX2 - Features
Includes converter (sensor sold separately)
See PSX2
BTU capability3 volt battery, or 90 to 264 VAC power<3% by volume of particulate contentRS-485 communication
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UTG - Introduction
Non-invasive, ultrasonic thickness testerSound propagation
UTG
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UTG - Specifications
Accuracy: ± 0.5%Pipe wall thickness: 0.047 to 7.87” (1.2 to 200 mm)Pipe material: Steel, cast iron, aluminum, copper, brass, PVC, other with known sound propagation rateResolution: 0.001” (0.1 mm)
UTG
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UTG - Features
4-digit LCD displayBattery powered (four 1.5 V. AAA batteries)User programmable sound propagation rateIdeal for use with ultrasonic flowmeter for identifying pipe wall thickness
UTG
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TUF - Introduction
Inline ultrasonic transmitter2 temperature probesFlow meter, temperature meter & BTU meter
TUF
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TUF - Specifications
Service: Clean WaterAccuracy: Flowmeter: ± (2+0.02 Qp / Q)%
Temperature: ± (0.3 + 0.05 * T)K; ΔT = T ± 0.1K
Pipe Range: DN 20 to 40 (1/2 to 1-1/2”)Serial Communications: M-Bus, MODBUS, or BACNETPower Requirements: 24VACEnclosure Rating: IP65 TUF
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TUF - Features
Easy to read parameters with 8-digit LED display Can be battery powered Simple to use front keypad to scroll through parametersLow cost
TUF
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Selection
Ultrasonic Flow Meter Selection (Key questions)
Does the liquid have particulates of 100 ppm of 100 microns in size? Clean water < 3% (<12% UXF3) particulates content?Maximum and minimum flow rate for the process?Process temperature minimum and maximum?Is the pipe always full? (a must)Straight pipe recommendations met?Is it a coating/viscous liquid? (avoid)
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Technology Benefits
Cost of Ownership: Value to the Customer. Ultrasonic vs. Turbine Flow Sensor (Include Prices)
Cost of Ownership = value to the Customer
Cost components UFM XXX
Unit List Price $XXXX $XXX
Accessories Hot-tapIsolation Valves
N/AN/A
$XXX$XXX
Installation Labor N/A Clamp On.
$XXX
Labor to move to different location
Portable: N/A. $XXX to change location.
Total Cost $XXX $ XXX
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ApplicationsHot and chilled water measurements
Water/glycol mixtures
Potable and ultrapure water sub-meteringOil applications
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Hot and Chilled Water
Non-invasively measure the flow and volume of water in and out of a chillerMonitor efficiency by measuring BTU usage
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Potable and Ultrapure Water
Maintain potable standards with non-contact flow monitoringAvoid causticity of pure water with no contact with the fluid
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Oil and PetrolMonitor the flow of diesel and other petrochemicals for proper dosingLower cost install and maintenance with non-contact measurement