ATUF Portable Ultrasonic Flow Meter

Comparing With other traditional flow meter or ultrasonic flow meter, it has distinctive features such as high precision, high reliability, high capability and low cost, the Flow meter features other advantages:

1. Easy to install, reduced installation time and cost.
2. No pressure head loss, No moving parts to maintain or replace.
3. BTU function is an option. AT221 could be used asa portable ultrasonic energy meter.
4. Powerful data storage and also support the datasheet analysis software.

AT221 ultrasonic flowmeter widely application in oil industry, water treatment, pure water, chemical and etc.

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Description

AT221 is a full function handle transfer time ultrasonic flow meter. No matter you want to quickly verify the flow reading of another meter or to data log flow system values over an extended time period, the AT221 is the suitable tool. The AT221 portable meter has the clamp on transducers no tapping or cutting is required, just clamp outside of the pipe.

The meter can installed be easily moved and in different pipe and convenient to carry site to site.Its portability makes it an excellent choice for measuring flows throughout the plumbing infrastructure to verify sensor, pump and valve performance.

portable ultrasonic flow meter

Working Principle

When the ultrasonic signal is transmitted through the flowing liquid, there will be a difference between the upstream and downstream transit time ( travel time or time of flight ), which is proportional to flow velocity, according to the formula below.

Remark:

V: Medium Velocity

M: Ultrasonic frequency of reflection

D: Pipe Diameter

θ: The angle between the ultrasonic signal and the flow

Tup: Transit time in the forward direction

Tdown: Transit time in the reverse direction

ΔT = Tup – Tdown

 

Specification

PerformanceTechnical parameter
Measuring range±0.03 ft/s ~ ±40 ft/s (±0.01 m/s~ ±12 m/s)
Accuracy±1%
Diameter range1″~48″(25mm~1200mm)
Measuring mediumSingle conducting liquid medium
Measurable pipeCarbon steel, stainless steel, PVC pipe or other dense sound conductive pipe
OutputAnalog output: 4~20mA, maximum load 750Ω, Modbus: RS485
SD card storage16G
Set the storage interval1 ~ 99999 s
KeyboardDigital film keying
Display screen 240*128 LCD display (with backlight)
Power sourceRechargeable lithium battery with 3000mAh battery capacity. Under normal use, a full charge can be used for 16 hours.
Operating temperatureTransmitter: -40℃~ 60 ℃, sensor: -40℃~80℃, standard type; The range from -40 ° C to 130 ° C is optional
Measure the ambient relative humidity0-99%
Protection classTransmitter IP65, sensor IP68
CableTwisted pair shielded cable, standard length of 5 meters

Size

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