Ultrasonic Flowmeter Technology

This ultrasonic water flow meter can directly display the instantaneous and cumulative flow. This Non-contact ultrasonic flow meter is based on the flow rate-water level calculation method, and adopts an advanced flow rate measuring instrument and water level measuring instrument to ensure a new intelligent flow system.

Specifications:
Sensor?Level?Range: 0-4.0m; other?level?range?also?available
Blind?zone: 0.20m
Temperature?Compensation: Integral?in?probe
Pressure?Rating: 0.2MPa
Beam?Angle: 8*?(3db)
Cable?Length: 10m?standard?(can?be?extended?to?1000m)
Sensor?Material: ABS,?PVC?or?PTFE?(optional)
Sensor?Protection Class: IP68
Output: 4-20mA, Relays, RS485

QT621 handheld ultrasonic flow meter support accurate bidirectional and highly dynamic flow measurement
with the non-invasive clamp-on technology. Handheld type ultrasonic flow meter mainly applies for measuring the flow of homogeneous medium fluid in the water injection flow measurement, raw water flow measurement, tap water flow measurement etc.

Size: 1¡å~48¡å(25mm~1200mm)
Flow Range:¡À0.01 m/s~ ¡À12 m/s
Accuracy: ¡À1%
Repeatability: 0.2%
Output: 4-20mA, RS485
Power supply: Internal lithium 3000mAh
Transducer: IP68

According to market request,the power supply can 24VDC or 220VAC or solar powered;Current the solar powered ultrasonic flow meter is more popular,beacuse solar powered meets international requirements, energy saving and environmental protection.

Ultrasonic flowmeter wall mounted water flow meter Modbus RS485 communication measure flow by propagating ultrasonic waves into a liquid-filled pipe. Ultrasonic flowmeter wall mounted water flow meter Modbus RS485 communication are located outside the pipeline and offer a wide range of pipeline sizes with no pressure loss, no contact with the liquid inside, and no moving parts. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm None cut down pipe Power supply: 24VDC/85VAC-2265AC Communication: RS485

Pipeline ultraosnic flow meter directly contact the liquid and make the measuring accuracy better than clamp on ultrasonic flowmeter.And installation easy,don’t need calculate the sensor installation distance and cover the coupling agent in the pipe,so this meter can collect the signal very well.
Szie:DN15~DN6000
Accuracy:¡À1.0 %
Viscosity:0.1~10m/s
Measuring cycle:50mS

Handheld water flow meter is a portable flow meter that with external clamp-on transducers, which can meet the needs of convenient and quick flow measurement, allowing clients to quickly transmit and measure data between different working environments and improve work efficiency.
Sensor: Clamp-on/External
Principle: transmit time
Size: DN15mm-DN6000mm
Measuring medium: Liquid
3.6V Battery-powered

Highest Quality Handheld ultrasonic flow meter & Solutions, ultrsonic flow meter is a ideal for liquids such as chemical,visous liquids, and sea water. The non-intrusive, clamp-on ultrasonic flow meter fits pipes between 1/2″ to 48″ internal diameter. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Medium: clean liquids,pure water Built-in rechargeable battery 3.6V Measurment unit: Meter, Feet,Cubic Meter.

QT811 small pipe size type ultrasonic clamp on flow meters are with user-friendly design.QT811 adopts a new external clamp design, which could
get the flow rate without touch the measurement medium.
Compared with other traditional flow meter, this could avoid
pressure loss or media contamination problems.

Pipe Size:?DN15-DN40mm (1/2¡±~1 1/2¡±)
Flow Range:¡À0.1m/s ~¡À5m/s
Temperature: 0~75¡æ (standard)
Output: 4-20mA, OCT Pulse, RS485
Accuracy:?¡À1% of measured value
Power Supply: DC10-24V

QT621 handheld type ultrasonic water flow meter adopt transit-time principle.Portable ultrasonic flow meter support precise bidirectional and highly dynamic flow measurement with the non-invasive clamp-on technology. Portable ultrasonic flow meter mainly applies for measuring the flow of homogeneous medium fluid .

Size: 1¡å~48¡å(25mm~1200mm)
Flow Range:¡À0.01 m/s~ ¡À12 m/s
Accuracy: ¡À1%
Repeatability: 0.2%
Output: 4-20mA, RS485
Power supply: Internal lithium 3000mAh
Transducer: IP68

Handheld dual power supply ultrasonic flow meter price handhold portable industrial ultrasonic flowmeter wide range of applications,with clamp on transducers to measure flow rate through the pipe wall, the transit time ultrasonic flow principle. It is a 3.6V battery powered ultrsonic flow meter, for using on a wide range of sizes and can provide 24 hours measurement continuely. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring clean liquids Built-in rechargeable battery 3.6V 2000 lines storage Communication: RS232

OEM DN15-DN6000 China Wall Mounted Ultrasonic Water Flowmeter is a portable liquid flow measurement device with a sensor. This 2-inch clamp-On Ultrasonic Flow Meterutilizes proven transit-time ultrasonic measurement technology for superior accuracy and ease of installation and installation. This easy-to-use flowmeter comes in a rugged, waterproof carrying case for easy transport of the display, sensor, and cables between measurement locations. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring single clean liquids Power supply: 24VDC/85VAC-2265AC Storage: SD card optional Heat meter optional

This solar power Open channel flow meter require accurate measurement of the surface level of a liquid. A flume, channel or structure which has a known characteristic flow per measured head, together with the measured liquid level, accurately define the flow rate through the system.
Applications including Wastewater collection systems,combined sewer systems and outfalls, Wastewater treatment facilities,Irrigation canals and channels, Industrial process and discharges, Stormwater conveyance and outfalls.

Specifications:
Analogue?Output: 4-20mA,?corresponding?to?instantaneous?flow
Relays?Output: Standard?2?relay?outputs(Optional?up?to?6?relays)
Serial?Communication: RS485,?MODBUS?-RTU?standard?protocol
Ambient?Temperature: -40 ~70 Degree C
Measure?Cycle: 1?second?(selectable?2?seconds?)
Power?Supply: DC24V?(+5%)?0.2A;?AC220V?(+20%)?0.1A?;Optional?DC12V

For the Solar Power Open Channel Water Meters, the level sensor is mounted on the top of the flume, and ultrasonic wave is transmitted by the probe to the surface of the monitored material. Instead of using mass or volumetric data to determine the rate of flow of a substance, open channel flow meters monitor the relationship between the depth of the liquid and the flow rate.Open Channel Flow Meter can be used for continuous measurement of municipal rainwater, wastewater, sewage discharge and irrigation water pipelines.

Specifications:
Sensor?Level?Range: 0-4.0m; other?level?range?also?available
Blind?zone: 0.20m
Temperature?Compensation: Integral?in?probe
Pressure?Rating: 0.2MPa
Beam?Angle: 8*?(3db)
Cable?Length: 10m?standard?(can?be?extended?to?1000m)
Sensor?Material: ABS,?PVC?or?PTFE?(optional)
Sensor?Protection Class: IP68

Wall Mounted ultrasonic liquid flowmeter Clamp on transducer adopts the self-development measurement technology.This measurement technique is a faster and more accurate process time measurement. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring single clean liquids Power supply: 24VDC/85VAC-2265AC Communication: RS485

QT621 portable type ultrasonic clamp on flow meters use clamp-on transducers that are mounted externally on the surface of the pipe and which generate pulses that pass through the pipe wall.
Portable ultrasonic flow meters are widely applicated from simple water flow measurements to energy flow monitoring and automated process control.

Size: 1¡å~48¡å(25mm~1200mm)
Flow Range:¡À0.01 m/s~ ¡À12 m/s
Accuracy: ¡À1%
Repeatability: 0.2%
Output: 4-20mA, RS485
Power supply: Internal lithium 3000mAh
Transducer: IP68

Handheld Digital Clamp Ultrasonic flow meter, ultrsonic flow meter is a ideal for liquids such as chemical,visous liquids, and sea water. The non-intrusive, clamp-on ultrasonic flow meter fits pipes between 1/2″ to 48″ internal diameter. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Medium: clean liquids,pure water Built-in rechargeable battery 3.6V Measurment unit: Meter, Feet,Cubic Meter.

Clamp on BTU energy flow meter could add the RTD model and temperature sensor become an energy meter to monitoring the energy use, help to save the energy. While the output of totalizer pulse and frequency output are transmitted via relay and open collector.
Pipe size:25~1200mm
Accuracy:±1.0%
Output:4-20mA,RS485
Transducer protect:IP68
Power supply:24VDC

Q&T Handheld ultrasonic flowmeter measure flow rate by propagating ultrasound waves into liquid-filled pipes and measuring the flow. With transit time, these clamp-on ultrasonic meters are outside the pipe, providing a wide range of pipe sizes, no pressure loss, none contact with internal liquid and no moving parts.
Measuring accuracy: +/-1.0% of FS
Wide range: DN15mm-DN6000mm
Measuring clean liquids
Built-in rechargeable battery 3.6V
Communication: RS232

Insertion type ultrasonic flow meters allow measurement of pipes that are not compatible with the clamp-on type,like the cement pipe etc,fixed type ultrasonic flow meter also use for large pipe. Repeatability:0.2% of measured value;
Linearity:±1%;
Pipe size:1″ to 48″ (25mm to 1200mm).Pipe size under 1″ is an option;
Fluid:Water or others;
Flow range:± 0.09ft/s ~ ±16ft/s (±0.03m/s ~ ±5m/s);

Non-contact solar power Open Channel flow meter measures level, flow rate and total volume of water flowing through weirs, flumes and channels. The flow meters use a non-contact level sensor. Application field£º
1. Water and sewage treatment£ºpump room, collection well, biochemical reaction
tank, sedimentation tank.
2. Electricity, mines£ºmortar pool, coal slurry pool, butter storage tank, stockyard
or some mobile equipment control, etc.
3. Food industry£ºwineries, granaries, storage tanks for food materials, etc.

Specifications:
Display: Backlight?LCD
The?maximum?of Accumulative Flow: 9999999.9?m3/h
Resolution: 1mm
Analogue?Output: 4-20mA
Relays?Output: Standard?2?relay?outputs(Optional?up?to?6?relays)
Serial?Communication: RS485,?MODBUS RTU
Ambient?Temperature: -40 ~70 Degree C
Power?Supply: DC24V, AC 220V£»Optional?DC12V

Low cost ultrasonic flow meter has the high-speed data update rate and superior user-friendliness in installation and operation.Economic ultrasonic flow meter without pressure drop or energy loss. Humidity:Up to 99% RH, non-condensing;
Transmitter material: PC/ABS, IP65;
Transducer:ABS,IP68
Accuracy:±1% of measured value;
Repeatability:0.2% of measured value;

Ultrasonic flow wall mounted water flow meter Modbus flow meter measure flow by propagating ultrasonic waves into a liquid-filled pipe. These Ultrasonic flow wall mounted water flow meter Modbus flow meter are located outside the pipeline and offer a wide range of pipeline sizes with no pressure loss, no contact with the liquid inside, and no moving parts. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm None cut down pipe Power supply: 24VDC/85VAC-2265AC Communication: RS485

QT621 ultrasonic water flow meter support is widely used in oil industry, water treatment, pure water, chemical and etc. Adopt the technology of transit time, ultrasonic waves transmitted and received through moving liquid. The difference between upstream and downstream transit time can be used to calculate flow and velocity.

Size: 1¡å~48¡å(25mm~1200mm)
Flow Range:¡À0.01 m/s~ ¡À12 m/s
Accuracy: ¡À1%
Repeatability: 0.2%
Output: 4-20mA, RS485
Power supply: Internal lithium 3000mAh
Transducer: IP68

Portable handheld digital ultrasonic flowmeters, clamp-on sensors to measure liquid flow. Installation process is very simple, all Chinese human-machine interface, more easy to operate. Particularly suitable flow balance testing and flow monitoring: drinking water, river water, sea water, cooling water, hot water, industrial waste water, lubricating oil, diesel oil, fuel oil, chemical liquids. Accuracy: +/-1.0% of FS Wide range: DN300mm-DN6000mm Measuring clean liquids Built-in rechargeable battery 3.6V 2000 lines storage Communication: RS232

Clamp on handheld ultrasonic flowmeter QTDS-100H portable flowmeter are widely used in tap water, heating, water conservancy, metallurgy, chemical industry, machinery, energy and other industries. It can be used for production monitoring, flow verification, temporary detection, flow inspection, water meter balance debugging, heat network balance debugging, and energy-saving monitoring. It is a tool instrument for timely flow detection. This ultrasonic flowmeter has a built-in data logger. The built-in data logger has a space of 24K bytes and can store 2000 lines of measurement data. The rechargeable power supply has a built-in high-capacity nickel-metal hydride rechargeable battery, which can support the flowmeter to work continuously for more than 12 hours. Measuring accuracy: +/-1.0% of FS Transducer temperature: -30~90¡ãC/-30¡ãC~160¡ãC Measuring clean liquids Battery-powered,for 12 hours Communication: RS232

PLCM open channel flow meter is a good choice for sewage flow meter, easy operation wastewater flow meter; This open channel flow meter is hot sell product among Q&T ultrasonic water flow meter.
Display: Backlight LCD
The maximum of Accumulative Flow: 9999999.9 m3/h
Accuracy of Change in Level: 1mm or 0.2% of full span (whichever is greater)
Resolution: 1mm
Analogue Output: 4-20mA, corresponding to instantaneous flow
Relays Output: Standard 2 relay outputs(Optional up to 6 relays)
Serial Communication: RS485, MODBUS -RTU standard protocol
Ambient Temperature: -40 ~70 Degree C
Power Supply: DC24V (+5%) 0.2A; AC220V (+20%) 0.1A ;Optional DC12V

QT621 ultrasonic flow meter is a type of portable flow meter, main advantage is that the meter can be easily moved and installed in different pipes and convenient to carry site to site. Portable ultrasonic flow meter adopt the innovative design includes matched precision transducers
and signal processing circuitry to accurately measure the flow of most liquids over a wide range of velocities.

Size: 1¡å~48¡å(25mm~1200mm)
Flow Range:¡À0.01 m/s~ ¡À12 m/s
Accuracy: ¡À1%
Repeatability: 0.2%
Output: 4-20mA, RS485
Power supply: Internal lithium 3000mAh
Transducer: IP68

Plastic Ultrasonic Liquid flow Meter sensors can be mounted outside, plug-in, pipeline-type installation; Used for measuring liquids, such as ultrapure liquids, chemicals, raw sewage, reclaimed water, cooling water, river water, plant sewage, etc.
Protection: IP57
Power supply: 8-36VDC
Output: RS485,4-20mA and OCTPipe diameters from 15mm to 6000mmDisplay: 2¡Á20 English letters LCD
Keypad: 4 key tactile-feedback membranelnput:4-20mA and PT100 platinum resistancelnstallation: Operate with clamp on, insertion and
flow-cell transducer

QT621 portable type ultrasonic clamp on flow meters use clamp-on transducers that are mounted externally on the surface of the pipe and which generate pulses that pass through the pipe wall.
Portable ultrasonic flow meters can be easily moved and installed in different pipes and convenient to carry site to site, which is very convenient for users to monitor the data.

Size: 1¡å~48¡å(25mm~1200mm)
Flow Range:¡À0.01 m/s~ ¡À12 m/s
Accuracy: ¡À1%
Repeatability: 0.2%
Output: 4-20mA, RS485
Power supply: Internal lithium 3000mAh
Transducer: IP68

RS232 Signal Handheld ultrasonic flow meter Clamp on tranducer is a portable liquid flow measurement device with a sensor. RS232 Signal Handheld ultrasonic flow meter Clamp on tranducer adopt transit-time ultrasonic measurement technology for superior accuracy and ease of installation and installation. This easy-to-use flowmeter comes in a rugged, waterproof carrying case for easy transport of the display, sensor, and cables between measurement locations. High accuracy +/-1.0% of FS Transducer temperature: -30~90¡ãC/-30¡ãC~160¡ãC Measuring clean liquids Battery-powered,for 12 hours Communication: RS232