1. www.hvac.vn 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.

2. www.hvac.vn Overview Principles of Operation Transit-Time Ultrasonic Flow Meter Dwyer Portfolio Introduction Specifications Features Selection: Questions and Pipe Material Applications: Where Used

3. www.hvac.vn Overview UFM UFB UFC PUF PUB General Portable PUB - General PUF - Data logger Fixed UFM - Basic UFB - General UFC - Data logger

4. www.hvac.vn Overview UXF2 & SX3 PUX2 & PSX2 UXF3, SX1 & SX2 Industrial Portable PUX2 – Data logger & BTU PSX2 sensor Fixed UXF2 - General SX3 sensor UXF3 - <12% bubbles SX1 & SX2 sensors

5. www.hvac.vn Operating Principle Transit Time Ultrasonic Flow Meter (Time of Flight) Typically operate within 1-2 MHz frequencies Pair of transducers, each containing a piezo-electric crystal One transducer transmits sound while the other acts as a receiver Signal transmitted upstream against the flow Then signal transmitted downstream

6. www.hvac.vn Operating Principle Difference in time is proportional to the flow velocity Flow volume is calculated by multiplying velocity by the cross-sectional area Transit time ultrasonic is for clean liquids only Particles disrupt signal

7. www.hvac.vn PUB & PUF - Introduction Non-invasive, ultrasonic flow transmitters Portable, battery powered, handheld design Complete kits in portable cases PUF is also a data logger PUB - $3667.00 B PUF - $6392.00 B PUF PUB

8. www.hvac.vn 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, brass Output: Analog 4 to 20 mA & Pulse PUF PUB

9. www.hvac.vn PUB & PUF - Features Easy set up with quick guide Convenient, 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 content UK, US< European adapters included USB, RS-232 (PUF) PUF PUB

10. www.hvac.vn UFB & UFC - Introduction Non-invasive, ultrasonic flow transmitters Permanent, fixed install & operation UFC is also a data logger UFB UFC

11. www.hvac.vn 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, brass Output: Analog 4 to 20 mA & Pulse UFB UFC

12. www.hvac.vn UFB & UFC - Features Simple programing All parts included in model Converter, transducer, holders, cables, grease, guide rail One pair of sensors for 0.5 to 78” (13 to 2000 mm) pipes 86 to 264 VAC, or 24 VAC/DC power <3% by volume of particulate content USB, RS-232 (UFC) UFB UFC

13. www.hvac.vn UFM - Introduction Non-invasive, ultrasonic flow transmitter Basic operation Compact body Adjustable guiderail for range of pipe sizes UFM

14. www.hvac.vn 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, plastic Output: Analog 4 to 20 mA & Pulse UFM

15. www.hvac.vn UFM - Features Simple installation All parts included in model Converter, clamps, grease One pair of sensors for 0.98 to 4.62” (24.9 to 117.4 mm) pipes 12 to 24 VAC/DC power <3% by volume of particulate content UFM

16. www.hvac.vn UXF2 & UXF3 - Introduction Non-invasive, ultrasonic flow transmitters Permanent, fixed install

17. www.hvac.vn UXF2 & UXF3 - Specifications Accuracy: ± 1% of rate Range: 0 to 105 ft/s (0 to 32 m/s) bidirectional Pipe 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 iron Output: Analog 4 to 20 mA & switch contact

18. www.hvac.vn UXF2 & UXF3 - Features Includes converter (sensor sold separately) See SX1, SX2, SX3 100-240 VAC, or 20-30 VAC/DC power UXF2 <3% by volume of particulate content UXF3 <12% by volume of particulate content RS-485 communication

19. www.hvac.vn PUX2 - Introduction Non-invasive, ultrasonic flow transmitter Portable and compact

20. www.hvac.vn PUX2 - Specifications Accuracy: ± 1% of rate Range: 1 to 105 ft/s (0.3 to 32 m/s) bidirectional Pipe 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 iron Output: Analog 4 to 20 mA

21. www.hvac.vn PUX2 - Features Includes converter (sensor sold separately) See PSX2 BTU capability 3 volt battery, or 90 to 264 VAC power <3% by volume of particulate content RS-485 communication

22. www.hvac.vn UTG - Introduction Non-invasive, ultrasonic thickness tester Sound propagation UTG

23. www.hvac.vn 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 rate Resolution: 0.001” (0.1 mm) UTG

24. www.hvac.vn UTG - Features 4-digit LCD display Battery powered (four 1.5 V. AAA batteries) User programmable sound propagation rate Ideal for use with ultrasonic flowmeter for identifying pipe wall thickness UTG

25. www.hvac.vn TUF - Introduction Inline ultrasonic transmitter 2 temperature probes Flow meter, temperature meter & BTU meter TUF

26. www.hvac.vn TUF - Specifications Service: Clean Water Accuracy: 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 BACNET Power Requirements: 24VAC Enclosure Rating: IP65 TUF

27. www.hvac.vn TUF - Features Easy to read parameters with 8-digit LED display Can be battery powered Simple to use front keypad to scroll through parameters Low cost TUF

28. www.hvac.vn 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)

29. www.hvac.vn 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 UFMXXX Unit List Price$XXXX$XXX Accessories Hot-tap Isolation Valves N/A $XXX Installation LaborN/A Clamp On.$XXX Labor to move to different location Portable: N/A.$XXX to change location. Total Cost$XXX

30. www.hvac.vn Applications Hot and chilled water measurements Water/glycol mixtures Potable and ultrapure water sub-metering Oil applications

31. www.hvac.vn Hot and Chilled Water Non-invasively measure the flow and volume of water in and out of a chiller Monitor efficiency by measuring BTU usage

32. www.hvac.vn Potable and Ultrapure Water Maintain potable standards with non- contact flow monitoring Avoid causticity of pure water with no contact with the fluid

33. www.hvac.vn Oil and Petrol Monitor the flow of diesel and other petrochemicals for proper dosing Lower cost install and maintenance with non-contact measurement