Water Supply

The clamp-on ultrasonic transit time flowmeter is composed of a converter (host) and a clamp-on sensor. It is a non-contact instrument. It has high measurement accuracy and is almost not affected by various parameters of the measured medium. In particular, it can solve the flow measurement problems of highly corrosive, non-conductive, radioactive and flammable and explosive media that other instruments cannot. It can be widely used in petroleum, chemical, metallurgy, electricity, water supply and drainage and other fields.

The handheld ultrasonic flowmeter is based on the principle of ultrasonic time difference method and consists of a handheld terminal and an external clamp ultrasonic sensor. It is a special instrument for flow inspection, with high measurement accuracy, measurement stability, good repeatability, battery power, simple operation, easy to carry, bilingual in Chinese and English, etc. It is used for online calibration and inspection measurement of liquid flow in industrial sites, and is compatible with a variety of external clamp ultrasonic time difference sensors. It can also be used for heat measurement.

The clip-on ultrasonic time difference flowmeter consists of a converter (host) and a clamp-on sensor. It is a universal economical, external clamp-on, time difference ultrasonic flowmeter. It has a very simple installation method, no need to break the pipe, no need to stop the water supply, just one clamp, and the installation can be completed in a few minutes, allowing customers to easily achieve flexible pipeline flow measurement. It is suitable for a variety of metal pipes and resin pipes, does not require daily maintenance, and provides reliable, non-drifting data support for a long time. It is especially suitable for small flow measurement in small-diameter pipelines.

The intelligent remote ultrasonic water meter/flow meter is based on ultrasonic propagation phase and time difference measurement technology and adopts two-channel ultrasonic measurement method. It has significant features such as high precision, low power consumption, wide measurement range, stability and reliability, and IP68. Solve the problems of traditional water meters running idling, not measuring small flows, and excessive pressure loss. It has a variety of optional communication methods such as RS-485/M-BUS/NB-IoT/LoRa/LoRaWAN, and is suitable for remote transmission of water supply pipelines and household meter flow measurement.

Intelligent remote transmission valve-controlled ultrasonic water meter/flowmeter integrates ultrasonic water meter, electric valve, and measurement and control terminal to realize remote monitoring of water intake and water metering and remote/automatic control of valves, and supports tiered water price and prepayment management. The valve-controlled water meter can accurately measure the instantaneous flow and cumulative flow in the pipeline, automatically control the valve switch according to the user's remaining water volume, and can also remotely control the valve switch through the central supervision software. It can be applied to water resource intake metering monitoring, remote meter reading and valve control for large tap water users.

Vertical Woltmann water meter, the impeller (vertically installed) rotates in a perpendicular direction to the water flow direction. This series of products has full flow detection, the measured water flow is axial water flow, low inlet and high outlet, high measurement accuracy, wide range, and stable measurement. The detachable design is convenient for after-sales maintenance. Optional signal transmission device, a variety of pulse signal output (non-magnetic, Hall, magnetic resistance), non-destructive installation of remote transmission terminal to realize water use data collection.

Horizontal Woltmann water meter, the impeller (horizontally installed) rotates in a horizontal direction with the direction of water flow. Full flow detection, the measured water flow is a horizontal flow, the inlet and outlet water heights are the same, the measurement accuracy is high, the range is wide, and the metering is stable. The detachable dry movement design can ensure clear water meter readings and convenient after-sales maintenance. Reserved non-magnetic sampling interface, optional signaling device, a variety of pulse signal outputs (non-magnetic, Hall, magnetic resistance), lossless installation of remote transmission terminal to realize water use data collection.

Intelligent remote transmission valve control mechanical water meter, adopts IP68 waterproof technology, stand-alone and network versions are available in Chinese and English. The valve automatically switches regularly (anti-scaling, flushing and drainage), anti-magnetic attack technology, intelligent remote transmission valve control function, accurate measurement. Low-power valve, integrated circuit design, flexible switching, long service life. It can also be based on IC card to realize the function of paying first and then using water. Widely used in factories, chemical industry, schools, community properties and water resources and other fields.

Intelligent pipeline noise leakage meter, independently developed by DWI, based on acoustic vibration detection technology, locates the leakage point by receiving and analyzing the sound and vibration signals generated by pipeline leakage, can automatically monitor the leakage noise and upload it to the management platform, and actively warn through advanced leakage detection algorithms, quickly and efficiently determine whether there is a leakage point on the pipeline, and use relevant algorithms to achieve precise positioning.

The intelligent pipeline leakage hydrophone is based on sound wave detection technology. When a pipeline leaks, the specific frequency sound waves emitted propagate along the fluid to both sides. The hydrophone captures these sound wave signals through a high-sensitivity microphone, and automatically monitors and uploads them to the management platform. Through the leakage detection algorithm, it actively warns, quickly and efficiently determines whether there are leaks on the pipeline, and uses relevant algorithms to achieve precise positioning. The hydrophone has a very high sensitivity to low-frequency water leakage signals and is very suitable for accurate positioning of leaks in plastic pipes, long-distance pipes and large-diameter pipes.

The digital pressure transmitter is a high-precision, high-stability intelligent pressure measurement product. It uses digital technology, combined with the design and manufacturing technology of piezoresistive pressure transmitters, precise digital temperature compensation and nonlinear correction technology, integrated structural design and standardized signal output. It is small in size, high in precision, light in weight, and has a wide range of coverage. It is suitable for places in various industries where precise measurement of fluid pressure is required.

The high-frequency pressure transmitter is a high-frequency response pressure transmitter. This product uses a piezoresistive pressure sensor with a stainless steel isolation diaphragm with a flush membrane structure as a signal measurement element. It is equipped with a dedicated high-frequency response signal processing circuit to convert the signal of the measuring element into a standard current or voltage output signal. It is suitable for dynamic pressure measurement occasions and can effectively capture water hammer/burst pipe signals in the pipeline network and record the process of water hammer/burst pipe events.