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Output Handheld dn40-dn4000mm pipes liquid control ultrasonic doppler flow meter for water
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China Electronics / Computers
Electronics / Computers

Output Handheld dn40-dn4000mm pipes liquid control ultrasonic doppler flow meter for water

Price : 1000-4000usd/unit

Product Description< /span>
Product Introduction Of Doppler Flow Meter (Handheld Type)
DF6100-EH Handheld Doppler Ultrasonic Flow Meter
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.
Working Principle Of Doppler Flow Meter
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.< /span>
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 10 D and downstream needs 5 D straight pipe length, where D is pipe diameter.
Detail Images of Doppler Flow Meter ( Handheld Type)

Advantages Of Doppler Flow Meter ( Handheld Type)
1. Suitable for pipe sizes ranging from 40 to 4000mm
2. For dirty liquids, a certain amount of air bubbles or suspended solids shall be contained
3. Excellent low flow rate measurement ability, low to 0.05 m/s
4. A wide range of flow measurement, high flow rate can reach 12m/s
5. High-temperature transducer is suitable to liquids of -35℃ ~ 200℃
6. Do not need to shut down the pipe flow when installing the transducers
7. User-friendly configuration
8. 4-20mA, OCT outputs
9. Accuracy: 2.0% Calibrated span
10. Rechargeable battery can work up to 14 hours

The Specification of Transmitter and Sensor
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< /span>
AC: 85-265V
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< /span>
Rate and Velocity Display
Totalized
gallons, ft³, barrels, lbs, liters, m³,kg
Communication
4-20mA,OCT output< /div>
keypad
6pcs buttons
Size< /span>
Transmitter: 237X125X42mm case: 410X320X80mm
Weight
0.6kg
Transducers Type
Clamp-on
Location : sales3@lanry-flow.com, 201612 shanghai,
Contact : Linda Lee, 862167618991

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