Ultrasonic Flow Meters

20+ Years Manufacturing Experience

portable clamp-on ultrasonic flow meter for water waste and sewage flow transducers

Short Description:

Series DF6100-EH Doppler Handheld Ultrasonic Flow Meter is designed to measure volumetric flow of within closed conduit, the pipe line must be full of liquids, and there must be a certain amount of air bubbles or suspended solids in liquid.

The Doppler ultrasonic flow meter can display flow rate and flow totalizer, etc., and is configured with 4-20mA, OCT outputs.

 


Series DF6100-EH Doppler Handheld Ultrasonic Flow Meter is designed to measure volumetric flow of within closed conduit, the pipe line must be full of liquids, and there must be a certain amount of air bubbles or suspended solids in liquid.

The Doppler ultrasonic flow meter can display flow rate and flow totalizer, etc., and is configured with 4-20mA, OCT outputs.

The Doppler ultrasonic flow meter is designed to measure volumetric flow of liquid within closed conduit, the pipe line must be filled full of liquids, there must be a certain amount of air bubbles or suspended solids in liquid.Transducers are clamp-on or hot-tapped probe types, user don’t need to shut down the pipe flow when install the clamp-on transducers. The flow meter operates by transmitting an ultrasonic sound from its transmitting transducer, the sound will be reflected by useful sonic reflectors suspended within the liquid and recorded by the receiving transducer. If the sonic reflectors are moving within the sound transmission path, sound waves will be reflected at a frequency shifted (Doppler frequency) from the transmitted frequency. The shift in frequency will be directly related to the speed of the moving particle or bubble. This shift in frequency is interpreted by the instrument and converted to various user defined measuring units.
There must be some particles large enough to cause longitudinal reflection – particles larger than 100 micron.When install the transducers, the installation location must have enough straight pipe length upstream and downstream. Commonly, the upstream needs 10D and downstream needs 5D straight pipe length, where D is pipe diameter.
Applications:raw sewage / domestic water/waste water/chemical indystry/drainage/sanitary water/dirty liquids/ground water/slurry/mining plants/activated sludge/paper slurry and so on.
Measure : The flow of  liquids (Total flow & flow totalizer )
One standard set of product includes:
Handheld case, handheld transmitter, standard transducers, couplant, stainless steel belt, charger, 4-20mA output cable terminals, etc.
Other Key Words:sewage flow monitor,water treatment flow meter,doppler flow meter,portable and handheld ultrasonic flow meter,water flow meter,battery operated sewer flow meter,waste water ultrasonic flow meter,ultra sonic flow meter,handheld ultrasonic flow meter,flow totalizer flowmeter,ultrasonic flow transducers and transmitter,high accuracy ultrasonic flowmeter,ultrasonic water flowmeter,etc.
NOTES FOR APPLICATION
‹ When installing transducers, it need enough straight pipe;
‹ When straight pipe is not enough, by setting menu SERVICE, the flowmeter will still get high accuracy, and obtain a more accurate reading. more details, please see 4.3.16 SERVICE mode;
‹ The measured liquid must contain a certain amount of air bubbles or suspended solids. When the liquid contains air bubbles too much or too big, the bubbles occupy a certain volume, and then lead
to larger flowmeter reading. In this case, it needs to recalibrate the flowmeter.
‹ When installing clamp-on transducers, the pipe material should have a good acoustical conductivity;
‹ When the transducer need be installed underground, recommend the insertion type.

Features

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It is suitable for pipe sizes ranging from 40 to 4000mm

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For dirty liquids, a certain amount of air bubbles or suspended solids shall be contained

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Excellent low flow rate measurement ability, low to 0.05m/s

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A wide range of flow measurement, high flow rate can reach 12m/s

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High-temperature transducer is suitable to liquids of -35℃ ~ 200℃

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Do not need to shut down the pipe flow when installing the transducers

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User-friendly configuration

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4-20mA, OCT outputs

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Accuracy: 2.0% Calibrated span

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Rechargeable battery can work up to 14 hours

Specificaitons

Transmitter:

Measurement principle Doppler ultrasonic
Resolution 0.25mm/s
Repeatability 0.5% of reading
Accuracy 0.5% -- 2.0% F.S.
Response time 2-60s for optional
Flow Velocity Range 0.05- 12 m/s
Liquid Types Supported Liquids containing 100ppm of reflectors and at least 20% of the reflectors are larger than 100 micron.
Power Supply AC: 85-265V Up to 14 hours with fully charged internal batteries
Enclosure type Handheld
Degree of protection IP65 according to EN60529
Operating temperature -20℃ to +60℃
Housing material ABS
Measurement Channels 1
Display 2 line × 8 characters LCD, 8-digit rate or 8-digit total (resettable)
Units User Configured (English and Metric)
Rate Rate and Velocity Display
Totalized gallons, ft³, barrels, lbs, liters, m³,kg
Communication 4-20mA OCT output
keypad 6pcs buttons
Size Transmitter:237X125X42mm  case:410X320X80mm
Weight 0.6kg

Transducer:

Transducers Type Clamp-on
Degree of protection IP65. IP67 or IP68 according to EN60529
Suited Liquid Temperature Std. Temp.: -35℃~85℃ for short periods up to 120℃
High Temp.: -35℃~200℃ for short periods up to 250℃
Pipe diameter range 40-4000 mm
Transducer Size 60(h)*34(w)*32(d)mm 
Material of transducer Aluminum for standard temp. sensor,and peek for high temp. sensor
Cable Length Std: 5m 

Configuration Code

DF6100-EH   Handheld Doppler Ultrasonic Flowmeter        
    Power supply                      
    A   85-265VAC                       
        Output Selection 1                  
        N   N/A                      
        1   4-20mA                      
        2   OCT                
            Output Selection 2              
                Same as above            
                Sersor Type            
                D   Standard Clamp-on transducer ( DN40-4000)         
                    Transducer Temperature      
                    S   -3585 (for short periods up to 120)
                    H   -35200
                        Pipeline Diameter     
                        DNX   e.g.DN40—40mm, DN4000—4000mm
                            Cable length    
                            5m   5m (standard 5m) 
                            Xm   Common cable Max 300m(standard 5m) 
                            XmH High temp. cable Max 300m
                                     
DF6100-EH A 1 N/LDH D S DN100 5m   (example configuration)

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