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Wall Mounted Ultrasonic Flow Meter

Wall Mounted Ultrasonic Flow Meter
Wall mounted ultrasonic flow meter Introduction Ultrasonic flowmeter fluid flow through the detection of the ultrasonic beam ( or ultrasonic pulse) effect to measure the flow meter. Ultrasonic flowmeter is a kind of non-contact instrument, it can be the medium flow measurement with large...
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Wall mounted ultrasonic flow meter

 

Introduction


       Ultrasonic flowmeter fluid flow through the detection of the ultrasonic beam ( or ultrasonic

pulse)  effect  to  measure the flow meter.  Ultrasonic flowmeter is a kind of non-contact

instrument, it can be the medium flow measurement with large diameter  can also be used to

measure  is not  easy to contact and observation of medium. Its measuring accuracy is high,

the interference is almost not  affected   by   various  parameters  of  the  measured  medium,  

especially  can  solve  other instruments not  strong corrosive, non conductivity, radiation and

flammable and explosive medium  flow  measurement.

 

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Application

The ultrasonic flow meter is designed to measure the fluid velocity of liquid within closed conduit.

The transducers are a non-contacting, clamp-on type, which will provide benefits of non- fouling

operation and easy installation

 

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Technical Parameters


Item

Specification

Main unit

Accuracy

Better than ±1.0 %

Repeatability

0.2%

Measurement Period

0.5S

Measurement Principle

Transit-time measurement principle

Display

LCD with backlight. 2x20 letters.

Output

one channel standard isolation RS485 output

One channel isolation 4-20mA or 0-20mA active output.

One channel OCT output

One channel isolation relay output,

Input

two channel three wire system PT100 platinum resistor input loop,to make heat meter has the function of displaying heat quantity.

Three channel 4-20mA input optional

Other functions

automatic memory the positive,negative,net totaliser flow rate and heat quantity of the last 512 days,128 months,10years 

Automatic memory the time of power on/off and flow rate of the last 30 times, realize to replenish by hand or automatically,read the datas through Modbus communication protocol.   

Power

AC 85—264V or isolation DC 8-36VDC

Power Consumption

Less than 1.5W

Environment Temperature

-30°C~80°C 

Environment Humidity

85% RH

Protection Class

IP65

Liquids

Types

Virtually all commonly used clean liquids.  Liquids with small quantity of tiny particles may also be applicable. Particle size should be less than 75um, particle concentration less than 20,000ppm.   Liquids should contain no or very minor air bubbles.  Examples are chilled/hot water, sea water, waste water, chemical liquids, oil, crude oil, alcohol, beer, etc.

Temperature

-40°C~160°C

Pipe

Pipe Material

All metals,most plastics,fiber glass,etc,

Pipe Size

DN15mm~6000mm

Pipe Straight run

More than 10D for upstream,more than 5D for downstream, 30D if a pump is near upstream, where D is pipe diameter.

 

Easy installation and no maintenance is needed.

 High accuracy within ±0.5%

 GPRS-based design, multiple signal output, achieve remote monitoring.

 Achieve heat measurement by connecting 3-wired heat transducers PT100


 

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