Ultrasonic Transit Time Flowmeter AFLO-TT

Ultrasonic Transit Time Flowmeter AFLO-TT

AFLO-TT Ultrasonic Transit Time Flowmeter is ideal to measure flow rate of clear, non-aerated fluids in full pipes. Works best on fluids that have less than 2% particulate or gas bubbles

User-Friendly Operating System
Works from the Outside of Common Pipe Materials
Works with Wide Range of Liquids
Wide Measuring Ranges Up to DN6000
Easy and Fast Mounting

Categories: Flow, Power Industry, Ultrasonic Flow meters

Product Description

DESCRIPTION

The AFLO-TT Ultrasonic Transit Time Flowmeter is designed to measure the fluid velocity of liquid within a closed pipe. The transducers are a non-invasive, clamp-on type, which will provide benefits of non-fouling operation and easy installation.

The AFLO transit time flow meter utilizes two transducers that function as both Ultrasonic Transit Time Flowmeter transmitters and receivers. The transducers are clamped on the outside of a closed pipe at a specific distance from each other. The transducers can be mounted in V-method where the sound transverses the pipe twice, or W-method where the sound transverses the pipe four times, or in Z-method where the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once. This selection of the mounting method depends on pipe and liquid characteristics. The Ultrasonic Transit Time Flowmeter operates by alternately transmitting and receiving a frequency modulated burst of sound energy between the two transducers and measuring the transit time that it takes for sound to travel between the two transducers. The difference between the transit-time is directly and exactly related to the velocity of the liquid in the pipe

FEATURES

Advanced Digital Signal Processor technology and the MultiPulse^TM transducer technology
AFLO-TT is Clamp-on type, non-invasive system allows solids to pass through the pipe within effect on meter. Y-strainers or filtering devices are not needed. Digital cross-correlation technology
Since the sensors do not contact the liquid, fouling and maintenance are eliminated.
Provides easy and low cost installation by clamping on the outside of existing piping systems.
Clear, user-friendly menu selections make AFLO simple and convenient to use
A pair of sensors can satisfy different materials , wide different pipe diameters
4 Lines display, can display total flow, flow rate, velocity and meter run status. Parallel operation of positive, negative and net flow totalizes with scale factor and 7 digit display, while the output of totalize pulse and frequency output are transmitted via open collector.
U.S., British and Metric measurement units are available. Meanwhile, almost all-universal measurement units worldwide may be selected to meet customer’s requirements.

Water, sewage (with low particle content) and sea water
Water supply and drainage water
Process liquids; Liquors
Milk, yoghourt milk
Gasoline kerosene diesel oil
Power plant
The flow patrolling and examining
Metallurgy, Laboratory
Energy-conservation, economize on water
Food and medicine
Heat measures, Heat balance
On-the-spot check-up, standard, the data are judged, Pipeline leak detection

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Transmitter Specifications:

Measurement principle	Ultrasonic transit-time difference correlation principle
Flow velocity range	0.01 to 12 m/s, bi-directional
Resolution	0.25mm/s
Repeatability	0.2% of reading
Accuracy	±1.0% of reading at rates >0.3 m/s);±0.003 m/s of reading at rates<0.3 m/s
Response time	0.5s
Sensitivity	0.003m/s
Damping of displayed value	0-99s(selectable by user)
Liquid Types Supported	Both clean and somewhat dirty liquids with turbidity <10000 ppm
Power Supply	AC: 85-265V DC: 24V/500mA
Enclosure type	Wall-mounted
Degree of protection	IP65 according to EN60529
Operating temperature	-20℃ to +60℃
Housing material	Polycarbonate
Measurement Channels	1
Display	4 line×16 English letters LCD graphic display, backlit
Units	User Configured (English and Metric)
Rate	Rate and Velocity Display
Totalized	gallons, ft³, barrels, lbs, liters, m³,kg
Communication	4~20mA(accuracy 0.1%),Pulse, Relay, Modbus
Security	Keypad lockout, system lockout
Size	235185120mm
Weight	1.9 kg

Transducer (clamp-on) Specifications:

Degree of protection	Standard IP67 according to EN60529, IP68 can be optional
Suited Liquid Temperature	Std. Temp.: -35℃~85℃ for short periods up to 120℃
Suited Liquid Temperature	High Temp.: -35℃~200℃ for short periods up to 250℃
Pipe diameter range	20-50mm for type S, 40-1000mm for type M, 1000-6000mm for type L
Transducer Size	Type S 52(h)28(w)26(d)mm
	Type M 60(h)34(w)33(d)mm
	Type L 80(h)40(w)42(d)mm
Material of transducer	Aluminum for standard temp. sensor, and peek for high temp. sensor
Cable Length	Std: 10m

AFLO-TT Brochure

Ultrasonic Transit Time Flowmeter AFLO-TT

Download File

AFLO-TT User Guide

Transit Time Flowmeter AFLO-TT User Guide

Download File

The AFLO transit time flow meter utilizes two transducers that function as both ultrasonic transmitters and receivers. The transducers are clamped on the outside of a closed pipe at a specific distance from each other. The transducers can be mounted in V-method where the sound transverses the pipe twice, or W-method where the sound transverses the pipe four times, or in Z-method where the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once. This selection of the mounting method depends on pipe and liquid characteristics. The flow meter operates by alternately transmitting and receiving a frequency modulated burst of sound energy between the two transducers and measuring the transit time that it takes for sound to travel between the two transducers. The difference between the transit-time is directly and exactly related to the velocity of the liquid in the pipe