Handheld ultrasonic flowmeter

NegociableActualización en05/21

modelo

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Categoría de producto

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Descripción general

Handheld ultrasonic flowmeter measuring medium: liquid Range: - Output signal: 4-20mA Accuracy level: 1% medium temperature: -30 ℃~60 ℃ Explosion proof level: - Protection level: - TUF series ultrasonic flowmeter utilizes low voltage

Detalles del producto

Handheld ultrasonic flowmeter

Measurement medium: liquid Range: - Output signal: 4-20mA Accuracy level: ± 1% Medium temperature: -30 ℃~60 ℃ Explosion proof level: - Protection level:-

The TUF series ultrasonic flowmeter utilizes the principle of low voltage and multi pulse time difference, and adopts high-precision and ultra stable dual balanced signal detection and differential reception digital detection technology to measure the sound wave transmission time in the forward and reverse directions, and calculate the flow velocity based on the time difference. It has the characteristics of good stability, small zero drift, high measurement accuracy, wide range ratio, and strong anti-interference ability. When the ultrasonic beam propagates in a liquid, the flow of the liquid will cause a smile change in propagation time, and the change in propagation time is proportional to the flow velocity of the liquid. At zero flow rate, the time required for two sensors to emit and receive sound waves is the same (a technology that can actually measure zero flow rate); When the medium flows, the transmission time of sound waves in the reverse direction is greater than that in the water flow direction. The relationship conforms to the following expression: V=MD/sin2 θ * Δ T/Tup * Tdown
V: Medium flow rate
θ: The angle between the speed of sound and the direction of liquid flow
M: The number of straight line propagation times of sound beam in liquid
D: Inner diameter of pipeline
Tup: The propagation time of the sound beam directly above
Tdown: propagation time of sound beam in the opposite direction
Δt ： tup-down

Product features

Can be used for non-contact measurement

No flow obstruction measurement, no pressure loss;

Using high-quality fully sealed transducers ensures high accuracy and stability in flow measurement;

■ Can measure non-conductive liquids;

Wide range ratio and wide range of applications;

■ Multi functional host, easy to carry

Technical Specifications

Instrument model	TUF-1	TUF-2	TUF-3	TUF-4
Host specifications	portable	handheld	fixed one-piece	Fixed split type
signal output	Nothing	Nothing	4～20mA	4～20mA
power supply	220VAC、 Lithium battery	Lithium battery	220VAC or+24VDC	220VAC or+24VDC
accuracy class	Level 1	Level 1	Level 1	Level 1
monitor	standard configuration	standard configuration	standard configuration	standard configuration
Accumulator	Positive, negative, and net accumulator	Positive, negative, and net accumulator	Positive, negative, and net accumulator	Positive, negative, and net accumulator
Chinese English menu	have	have	have	have
unit of measurement	multiple options	multiple options	multiple options	multiple options
Print function	standard configuration	Nothing	Nothing	Nothing
communication interface	Nothing	Optional RS232	Optional RS485	Optional RS485
Optional sensors	External/Insertion Type	External/Insertion Type	External/Insertion/Pipe Segment	External/Insertion/Pipe Segment
Measurable flow velocity	0.2 meters per second	0.2 meters per second	0.2 meters per second	0.2 meters per second
Measurable flow velocity	32 meters per second	32 meters per second	32 meters per second	32 meters per second
Instrument communication	DN15～DN1000	DN15～DN1000	DN15～DN1000	DN15～DN1000
ambient temperature	-30℃～60℃	-30℃～60℃	-30℃～60℃	-30℃～60℃

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