Ultrasonic Flow Meters
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Transit-time Ultrasonic Flowmeter
Wall-mounted Transit-time Ultrasonic Flowmeter TF1100-EC
Insertion Transit-time Ultrasonic Flowmeter TF1100-EI
Portable Transit-time Ultrasonic Flowmeter TF1100-EP
Handheld Transit-time Ultrasonic Flowmeter TF1100-CH
Wall Mounted Dual Channels Ultrasonic Flow Meter TF1100-DC
Insertion type Dual-channel Ultrasonic flowmeter TF1100-DI
Portable Dual Channels Ultrasonic Flow Meter TF1100-DP
Doppler Ultrasonic Flowmeter
Wall-mounted Doppler Ultrasonic Flowmeter DF6100-EC
Insertion Doppler Ultrasonic Flowmeter DF6100-EI
Handheld Doppler Ultrasonic Flowmeter DF6100-EH
Portable Doppler Ultrasonic Flowmeter DF6100-EP
Partially Filled Pipe Flow Meter
Ultrasonic Water Meter
Open Channel Flow Meter
Electromagnetic Flow Meter
Heat Meter
Level Meter
Working Principle
Transit-time ultrasonic flow meter working principle
Doppler ultrasonic flowmeter working principle
Area Velocity ultrasonic flow meter working principle
Application
TF1100 transit-time ultrasonic flow meter applications
DF6100 Doppler ultrasonic flowmeter applications
DOF6000 Doppler open channel ultrasonic flow meter applications
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How to install clamp on ultrasonic flowmeter?
By Lanry Instruments on 22-02-28
Because flow sensors are mounted on the external surface of the pipe,so no demand of breacking the pipeline and it just clamped on the pipe wall by transducers mounting rails or S-S belt as below description. 1. Lay on enough couplant on the transducer and put it to the polished area of pipe to ...
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How to choose Installation Position for clamp on Ultrasonic water flowmeter ?
By Lanry Instruments on 22-02-28
1. Slect the optimum location, ensure enough straight pipe length usually upstream >10D and downstream > 5D (where D is the inner diameter of the pipe.) 2. Avoid welding seam, bumps, rust, etc. Insulating layer must be stripped. Make sure the contact area is smooth and clean. 3. For TF1100 ...
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Lanry’s Advantages
By Lanry Instruments on 22-02-11
1. From the outside, you can see our products’ quality. Most of the product parts are imported from USA or Europe. You’ll see Lemo connection(TF1100-EH &EP) and Pelican case(TF1100-EH&CH&EP), Allied enclosure(TF1100-EC). The sensitiveness of our product is better. The act...
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Old pipe with heavy scale inside, no signal or poor signal detected: how can it be resolved?
By Lanry Instruments on 22-01-26
Check if the pipe is full of fluid. Try the Z method for transducer installation (If the pipe is too close to a wall, or it is necessary to install the transducers on a vertical or inclined pipe with flow upwards instead of on a horizontal pipe). Carefully select a good pipe section and fully cl...
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Method of Estimating Sound Speed of a Certain Fluid
By Lanry Instruments on 21-10-27
Sound speed of measured fluid is required when using TF1100 series transit-time ultrasonic flow meters. This instruction is used to estimate the sound speed of a certain fluid that the meter system doesn’t tell its sound speed and you have to estimate it. Pls follow the steps bellow for TF1100 s...
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How to Get Signal for Transit- time Flowmeter When No Pipeline
By Lanry Instruments on 21-10-22
When user is in no pipeline environment and wants to test our Transit- time Flowmeter, user can operate as follow steps: 1. Connect transducers to transmitter. 2. Menu Setup Note: No matter what kind of transducer customers bought, the menu setup of transmitter fol...
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What are the advantages of Ultrasonic water meter in comparison with Mechanical water meter?
By Lanry Instruments on 21-10-22
A. Structure comparison, ultrasonic water meter without clogging. Ultrasonic water meter DN15 – DN300, reflect hydrodynamic structure, no installation requirements of straight pipe. Mechanical water...
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What is requirement for straight pipe length when installing a transit-time or Doppler flowmeter?
By Lanry Instruments on 21-10-14
Ultrasonic flow meters require fully developed flow conditions to ensure the meter will perform as specified. There are two basic types of measuring principles, Doppler and Transit Time. Both do require adhering to basic installation guidelines to minimize errors caused ...
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What is Q1, Q2, Q3, Q4 and R for ultrasonic water meter
By Lanry Instruments on 21-10-14
Q1 Minimum flow rate Q2 Transitional flow rate Q3 Permanent flow rate (working flow) Q4 Overload flow rate Make sure that the maximum flow that will pass through the meter never exceeds Q3. Most water meters have a minimum flow (Q1), below which they cannot provide an accurate reading. If ...
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How to choose a suitable location of partially filled pipe?
By Lanry Instruments on 21-08-24
A typical installation is in a pipe or culvert with diameters between 150mm and 2000 mm. The Ultraflow QSD 6537 should be located near the downstream end of a straight and clean culvert, where non-turbulent flow conditions are maximised. The mounting should ensure the un...
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Insertion Transducer On-Line Quick Install Instruction–For General Insertion Transducers
By Lanry Instruments on 21-08-24
Insertion Transducer Installation Manual 1. Locate the Installing Point on Pipe 2. Weld Mounting Base 3. Place the Gasket Ring PTFE Gasket ring o...
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Working principle and application of Doppler flow meter
By Lanry Instruments on 21-08-20
Doppler ultrasonic flowmeter uses the physics of the Doppler effect, in any liquid flow in the presence of discontinuity will be reflected ultrasonic signal frequency shift (that is, signal phase difference), by measuring the phase difference, the flow rate can be measur...
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