An ultrasonic water meter is a type of flow meter that measures the velocity of a fluid with ultrasound to calculate volume flow. Using ultrasonic transducers, the flow meter can measure the average velocity along the path of an emitted beam of ultrasound, by averaging the difference in measured transit time between the pulses of ultrasound propagating into and against the direction of the flow or by measuring the frequency shift from the Doppler effect. Ultrasonic flow meters are affected by the acoustic properties of the fluid and can be impacted by temperature, density, viscosity, and suspended particulates depending on the exact flow meter. They vary greatly in purchase price but are often inexpensive to use and maintain because they do not use moving parts, unlike mechanical flow meters.
How do ultrasonic meters work?
Ultrasonic Water Meter ensures pinpoint accuracy and reliability throughout the entire lifetime. Built without any moving parts, the meter allows for completely flexible mounting and offers extremely low start flows, secured hygiene as well as no loss of accuracy over time. For over 30 years, ultrasonic meters have had unrelenting precision whether they are installed in the cold of Iceland or the heat of the Middle East. ;
How to Use Ultrasonic Irrigation Water Meter
Ultrasonic Irrigation Water Meters are commonly applied to measure the velocity of liquids that allow ultrasonic waves to pass, such as water, molten sulfur, cryogenic liquids, and chemicals. Transit time designs are also available to measure gas and vapor flow. Be careful because fluids that do not pass ultrasonic energy, such as many types of slurry, limit the penetration of ultrasonic waves into the fluid. In Doppler ultrasonic flowmeters, opaque fluids can limit ultrasonic wave penetration too near the pipe wall, which can degrade accuracy and/or cause the flowmeter to fail to measure. Transit time ultrasonic flowmeters can fail to operate when an opaque fluid weakens the ultrasonic wave to such an extent that the wave does not reach the receiver.
Industries Where Used
The industries in order of higher to lower are oil and gas, water and wastewater, power, chemical, food and beverage, pharmaceutical, metals and mining, and pulp and paper.
Application Cautions for Ultrasonic Flowmeters
For transit time ultrasonic flowmeters, be sure that the fluid can adequately conduct ultrasonic waves, because the flowmeter will not measure when the ultrasonic waves cannot penetrate the flow stream between the transducers. Similarly, ultrasonic waves must be able to penetrate the fluid for Doppler flowmeters to operate accurately. When the fluid is relatively opaque and does not penetrate the fluid, Doppler flowmeters tend to measure the velocity of the fluid at or near the pipe wall, which can cause significant measurement error and/or cause the flowmeter to fail.
Avoid fluids that can coat wetted transducers or coat the pipe wall in front of non-wetted transducers because the flowmeter will not measure when the ultrasonic waves cannot enter the flow stream. Be sure to maintain reliable clamp-on transducer connections to the pipe wall because the flowmeter will not measure when the ultrasonic waves are not able to reach the fluid.
ULTRASONIC BULK WATER METER ;
The ultrasonic bulk water meter is for use in drinking water distribution and industrial applications. The ultrasonic bulk water meter is used to record high and fluctuating flows in drinking water distribution and in industry, with a very low-pressure loss at the same time.
A bulk meter is a large meter that we fit pipes to help us find leaks. They are usually fitted to pipes that supply large blocks of flats and they’re only used to measure water flow and will not affect your bill.
Ultrasonic Water Meter(Bulk Water Meters) is an innovative flow meter with a static flow sensor based on the ultrasonic measuring principle. Ultrasonic Water Meter utilizes ultrasonic measuring methodology and microprocessor technology. All calculation and flow measuring circuits are designed on one single board, thus offering exceptional accuracy and reliability.
Advantages and Disadvantages of Ultrasonic Flowmeter
What Are S1 Ultrasonic Water Meters?
S1 Ultrasonic Water Meters, as the name suggests, are meters that use sound waves to measure flow. These meters are attached around the inside or outside of a pipe, and when activated, transmit ultrasonic waves from one side of the meter to the other. These transmitted waves are then collected and measured to determine the flow.
There are multiple types of flowmeters, though they operate on the same principle. Some can be inserted into the pipe or attached inline. Some options can even be attached to the outside of the pipe using clamps — this variety of ultrasonic transducer is known as a clamp-on flow transducer.
Advantages of S1 Ultrasonic Water Meter
S1 Ultrasonic Water Meters are highly useful in a variety of applications across multiple industries. Just a few of the benefits offered by ultrasonic flowmeters include:
No moving parts: Traditional mechanical flowmeters measure pressure through the use of moving parts, which serve as mechanical sensors. Unfortunately, these parts pose several problems. They often obstruct flow and cause pressure loss. The moving parts also degrade over time, providing less accurate results and requiring repair and replacement. Since there are no moving parts in ultrasonic flowmeters, you don’t have to worry about them degrading or creating a blockage.
Low maintenance: Since ultrasonic flowmeters don’t involve moving parts, they last a long time with very little maintenance. They also have low power consumption, so they often last for several years before the batteries need to be replaced.
Digital and analog options: Ultrasonic flowmeters come in a wide range of outputs, and advanced technology has allowed for the creation of ultrasonic transducers with digital readouts and network connection capabilities. This means that transducers can communicate measurements in real time to a central monitoring system.
High accuracy: As long as the meter is properly mounted and installed, these meters are highly accurate. However, inline and insertion flowmeters are generally more accurate than clamp-on ultrasonic flowmeters.
It is important to note that ultrasonic meters are often mounted on the inside of pipes in cases where the pipe quality isn’t good. If pipe quality is sufficient, clamp-on ultrasonic options are available.
Disadvantages of S1 Ultrasonic Water Meter
While ultrasonic flowmeters offer many advantages, they are far from perfect solutions. Some of the issues associated with them are:
Higher upfront cost: S1 Ultrasonic Water Meters are significantly more expensive than many of the other inline flowmeter options available today. Much of this is because the acoustic parts are very expensive. While these meters offer long-term cost benefits, the upfront cost of purchasing and installing them may pose an issue.
Substance limitations: Ultrasonic flowmeters cannot be used for heavily contaminated liquids or slurry. Essentially, any type of liquid that cannot pass ultrasonic energy is incapable of being measured using an ultrasonic flow measurement device.
Water Meter Test Bench
A Water Meter Test Bench is equipment that can be built from a simple and completely manually operated machine to the highest levels of high tech, designed with automatic controls and IT support. We can design and make them all.
Principal Characteristics of Our Equipment
VOLUMETRIC REFERENCE: We offer three options: Calibrated Tanks (Volumetric Method), Reference Flowmeter (Comparative Method) or Weighing Scales (Gravimetric Method). In this latter option we utilize high precision and performance digital scales.
WORK BENCH: For multiple number of residential or bulk meters designed and tailored made according to the client’s needs. Meters are pressed either mechanically or with a pneumatic cylinder.
ADAPTORS AND SEPARATORS: Test Benches are equipped with special adaptors to fit the different diameters of the meters.
OPTIONAL ACCESORIES: Vertical testing, magnetic influence, and head-loss testing.
VALVE OPERATION: Manual or automatic, using PLC control for automatic starting, stopping, and tanks drain.
TESTING FLOW MEASUREMENT: We offer options for testing flow measurement; from simple and economic rotameters, to electromagnetic and/or ultrasonic flowmeters of high precision and durability.
LOW FLOW MEASUREMENT We offer the option of making precise and efficient low flow measurements, starting at 2 liters/hour (0.01 GPM), using especially high performance electronic flow meters.
PRESSURE AND TEMPERATURE MEASUREMENT: We can offer either analogic instruments (direct reading), or digital sensors integrated to the PLC control system.
CONTROL PANEL: The control panel can be either manual or automatic, using touch screen HMI with graphic of process and automatic monitoring of variables.
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