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Dwyer

UFB Ultrasonic Flowmeter Set

Non-invasive pipe flow measurement, compact and lightweight design, 4 - 20 mA and pulse output capabilities and easy operation

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$5,554.00 CAD
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The Series UFB Ultrasonic Flowmeter Set utilizes the transit-time difference for measuring flow rates in pipes non-invasively. This is the permanent model, allowing the user to mount the converter on a surface or pipe. The easy-to-use compact and lightweight design is intended for mechanical devices using ideally homogeneous liquids that contain no air pockets. The Series UFB comes with a sturdy IP65 rating, protecting it from dust and direct water contact. The Series UFB has 4 - 20 mA and pulse output capabilities.

Two sensors are placed on the exterior of the pipe, and each transmits an ultrasonic pulse through the pipe and fluid to the other. The velocity of the liquid flowing through the pipes causes the pulse to accelerate or decelerate. The difference in the transit times of the two pulses is used to calculate the flow rate. The use of transit time allows the flowmeter to be unaffected by pressure or temperature changes.

For the data logging version, see Series UFC.

Kit Includes:
• Converter
• Set of transducers
• Ruled guide rail
• Steel banding
• Banding clips
• Set of transducer cables
• Set of high temperature interface cables
• Ultrasonic coupling grease

Service Homogeneous liquids that do not contain more than 3% of air bubbles or particulate and capable of ultrasonic wave propagation
Inputs TNC cable from sensors
Range 0.33 ft/s - 33 ft/s (0.1 m/s - 10 m/s)
Display 240 x 64 pixel graphic display, high contrast black on white with backlight;
Languages: English, French, German, Swedish, Italian, Spanish, Portuguese, Russian, Norwegian, and Dutch;
5 in W x 1.3 in H (5 mm x 33.02 mm)
Accuracy 0.5 to 2% of flow reading of flow rate > 0.03 ft/s (0.01 m/s) and pipe OD > 3.0 in (75 mm); 3% of flow reading for flow rate > 0.03 ft/s (0.01 m/s) and pipe OD 0.5 in - 3 in (13 mm - 75 mm); 6% of flow reading for flow rate < 0.03 ft/s (0.01 m/s)
Power Requirements 86 VAC - 264 VAC (50 Hz - 60 Hz) or 24 VAC/VDC (1 A max)
Power Consumption 10.5 W
Temperature Limits Transducer: -4F - 275F (-20C - 135C);
Controller: -4F - 122F (-20C - 50C)
Outputs Analog: 1 opto-isolated output: 4 - 20 mA, 0 - 16 mA or 0 - 20 mA (selectable);
Error current: 0 - 26 mA (selectable);
Load resistance: 620 Ω max;
Alarm: 2 opto-isolated MOSFET NO relays, 48 V at 500 mA, maximum 200 Hz;
Pulsed: 1 opto-isolated MOSFET relay, 48 V at 500 mA, 1 pps - 250 pps;
Pulse width: 2 ms - 500 ms (selectable)
Enclosure Rating IP65 when using TNC connector; Transducers IP54
Materials Plastic ABS and aluminum
Repeatability 0.5 % of measured value or 0.03 ft/s (0.01 m/s)
Electrical Connections Removeable screw-in type terminal block
Mounting Wall mounted using 3 type M4 screws
Turbidity < 3 % by volume of particulate content
Permissible Air Content < 3% by volume
Response Time < 500 ms
Weight Unit not including accessories: 2.80 lb (1.26 kg);
Unit including accessories: 9.92 lb (4.5 kg)
Agency Approvals CE
ADDITIONAL SPECIFICATIONS
Applicable Pipe Material Carbon steel, SS, copper, UPVC/PVDF, concrete, mild steel, glass, brass
Applicable Pipe Lining Rubber, glass, concrete, epoxy, steel, other*.
*Selectable option for special material with known propagation rate of lining material
Pipe Wall Thickness 0.04 in - 3 in (1 to 75 mm)
Pipe Lining Thickness < 1 in (< 25 mm)

• Treated Water
• River Water
• Sea Water
• Potable Water
• Demineralized Water
• Glycol/water mix
• Hydraulic System
• Diesel Oil
• Flow Rate
• Datalogging