Flow Measurement in river RS485 Open Channel Flowmeter

Ultrasonic flowmeters use sound waves to determine the velocity of a fluid flowing in a pipe.
Inline type ultrasonic flow meter can be OEM,such as Body color,Transmitter color,Channle number,Logo display etc.
Q&T brand ultrasonic flow meter is one kind of economy type flow meter for liquid,multi channle inline ultrasonic flow meter can reach 0.5% accuracy.
2 way input
SS304 body
Flow velicity:0.1~¡À10m/s
Integral display
Accuracy:¡À1.0%
Single channel or multi channel

OEM ultrasonic Flow meter for applications in clean water and in low conductivity media. Operating principle based on transit time measurement.
Inline type ultrasonic flow meter can be OEM,such as Body color,Transmitter color,Channle number,Logo display etc.
Power supply:DC24VDC or AC220V
Output:4-20mA,OCT,Pulse
Comm port:RS485 MODBUS-RTU

Q&T wall mount ultrasonic RS485 flowmeter type provide you with an accurate, easy-to-install flow meter. wall mount flow sensor feature quick, easy clamp-on sensor installation, configuration, and a user-programmable menu-driven interface for easy commissioning in the field. Q&T Q&T wall mount ultrasonic RS485 flowmeter use a special technology to ensure highly accurate flow measurement. 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

Easy to install ultrasonic flow meter flowmeter consists of two parts: a transmitter unit and a transducer. Magnetic external clamps on the sensor are easy to install and connect to metal tubing for continuous flow measurement. It is especially suitable for on-site flow measurement of various pressure requirements. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring clean liquids Power supply: 24VDC/85VAC-2265AC Communication: RS485

Clamp-on ultrasonic liquid water flow meter proven transit-time ultrasonic measurement technology This technology can be used for permanent installations where intrusive flow meters are not economically viable for permanent installations on large pipelines and for all the different process fluids encountered in the network. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring clean liquids Power supply: 24VDC/85VAC-2265AC Communication: RS485

Clamp on pvc water flow meter ultrasonic flowmeter provide industry-leading flow measurement accuracy. With a small package that saves costs in shipping. Plus flow meters are ideal for industries that measure liquid flow without cutting pipes, such as chemical, pharmaceutical, mining, power, chemical, water and wastewater, HVAC, food and beverage, and more. It can also be used as a non-invasive detector
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

This Hot sale Q&T Open Channel Flowmeter is good to measure the river flow, The meter provide 4-20mA output and RS485 serial communication (MODBUS-RTU) output; Low power consumption, easy installation; Dual power supply working, Selective use of AC / DC selective, solar energy work more energy efficient.
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

Connecting module and secondary meter through RS-485 interface, transmission distance up to 1000m
Powerful Functions
Current output: 4-20mA, one channel, can be used for flow/heat transmitter;
OCT output: two channels, can be used for flow /heat switch;
Current input: 4-20mA, three channels, can be used for data collector;
Tri-wire resistance signal input (PT100): two channels, can be used for calorimeter.
Pipe Size: 15mm – 6,000mm
Rate Units: English(U.S) or metric
Liquid Types: Virtually all liquids
Display: 2*10backlit LCD,displaying instant
Transducers: Clamp-on type,insertion type ,in line type.
Operating Power: Isolation 8-36VDC
Communication: InterfaceRS-485

Digital fixed ultrasonic flow meter water flowmeter price is a portable liquid flow measurement device with a sensor. Digital fixed ultrasonic flow meter water flowmeter price proven transit-time ultrasonic measurement technology for superior accuracy and ease of installation and installation. Digital fixed ultrasonic flow meter water flowmeter price 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

Ultrasonic Flow meter for applications in clean water and in low conductivity media. Operating principle based on transit time measurement.
Pipe material:Steel,Stainless steel,Cast iron,PVC,Cement pipe and allow pipe with lining
High Isolation voltage,Strong anti-interference,Suppress voltage noise,Good isolation performance
Inline ultrasonic flow meter collect temperature signal and accuracy reach 0.001¡æ
Viscosity:0.1~10m/s
Measuring cycle:50mS
Output:4~20mA,Pulse,OCT,RS485
Body material:Standard carbon steel,SS304 and SS316 are optional
Power supply:DC24V and AC220V

Non Contact Digital LCD Display Modular Type Ultrasonic Flow Meter Modular type ultrasonic flow meter is one type of transmit-time ultrasonic flow meter. Customer don’t need cut off pipe. The ultrasonic flow sensor could be clamped on pipe and measure the flow rate directly. It have digital LCD display. And the menu could be operated by button. This type flow meter could be used on DN15-DN6000 pipe. And it could work on most of pipes except cement pipe.
Principle: Transit- time ultrasonic flow meter
Accuracy: ¡À1%
Operation: 4 keys operation
Signal output:
1 way 4~20mA output, electric resistance 0~1K, accuracy0. 1%
1 way OCT pulse output (Pulse width 6~1000ms, default 200ms)
1 way relay output
Signal input:
3 way 4~20mA input,signal could be temperature, pressure or liquid level

Wall-mount ultrasonic flowmeter measure flow by propagating ultrasonic waves into a liquid-filled pipe. These wall mounted flowmeter 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

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);

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.

Inline ultrasonic flow meter support single channel and multi-channel at the same time,when one of channel is abnormal or not connected,it can automatically switch to single channel to working
Ultrasonic flow measurement according to the ¡°differential transit time¡± method: This method uses two sensors, set opposite each other in the measuring tube. Each sensor can alternately transmit and receive ultrasonic signals, while simultaneously measuring the signal transit time.
Input:Two-wire PT1000
Output:4-20mA,Pulse,OCT
Communication:RS485
Szie:DN15~DN6000
Accuracy:¡À1.0 %
Viscosity:0.1~¡À10m/s

Pulse output wall-mount ultrasonic flow meter add one pair PT1000 temperature sensor to realize heat/cold measurement,clamp-on ultrasonic meter also called as ultrasonic BTU meter. Accuracy:±1% of measured value;
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;

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

High Frequency portable clamp on ultrasonic flow meter no pipe cutting required. The user simply clamp on the flow sensor to the pipe surface. The High Frequency portable clamp on ultrasonic flow meter can then detect the flow through ultrasonic waves, and then automatically calculate the flow rate value, flow accumulator, etc. No pipe cutting means no damage to the pipe. So as long as the pipes are in good condition, the installation on the flowmeter will not provide the possibility of leakage. Sensor: Clamp-on/External Principle: transmit time Size: DN15mm-DN6000mm Measuring medium: Liquid 3.6V Battery-powered

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

Smart water flow meter handheld portable ultrasonic flowmeter is a portable liquid flow measurement device with a sensor. This Smart water flow meter handheld portable ultrasonic flowmeter 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. 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

Our open channel flow meter display the level, flow rate, accumulate flow at the same time; This ultrasonic water flow meter has Analogue Output: 4-20mA, corresponding to instantaneous flow.
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

Wallmount Ultrasonic Flow Meter Clamp On Flow Meter DN15-DN6000 Ultrasonic Flowmeter Liquid Flow Meter 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

The Q&T ultrasonic water flow meter that is designed for open channel flow metering, whether you have a flume, weir or any other primary device. This 4-20mA output open channel flow meter has 4-20mA, RS485 and relay output, which is a good choice for different needs of channel flow monitoring.

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

Flange type ultrasonic flow meter with low voltage operation, multi-pulse transmission, low power consumption,
high reliability, anti-interference.
Inline ultrasonic flow meter could connect temperature sensor to become one calorimeter and widely be used in Process control, Production measurement, Trade settlement.
Accuracy:¡À1.0%
Input:Two-wire PT1000
Output:4-20mA,Pulse,OCT
Communication:RS485

Handheld Portable Ultrasonic Flow Meter is a portable liquid flow measurement device with a sensor. Handheld Portable Ultrasonic Flow Meter with S2 transducers 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

Clamp on ultrasonic flow meter are widely used in tap water, heating, water conservancy, metallurgy, chemical industry, machinery, energy and other industries. Portable Hand Held Ultrasonic Flow Meter can be used for production monitoring, flow verification, temporary detection, flow inspection, water meter balance debugging, heat network balance debugging, and energy-saving monitoring. 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 meter is good for Flow Measurement in Open Channel,river; it is a high quality water flow meters, RS485 River Flow Meter; This ultrasonic open channel flow meter is Suitable for a variety of weirs and flumes, Parshall flumes (ISO), V-Notch weirs, Rectangular weirs(With or Without End Contractions) and custom Formula type weir; LCD display with backlight
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
Measure Cycle: 1 second (selectable 2 seconds )
Power Supply: DC24V (+5%) 0.2A; AC220V (+20%) 0.1A ;Optional DC12V

Multi-channel ultrasonic flow meter is suitable for continuously measuring flow and heat of clean and uniform liquids without large concentration particles or gases under industrial environment.
Ultrasonic flow meter can measure water,Seawater,Acid solution,Cooking oil,Gasoline,Coal oil,Diesel,Alcohol,
Beer and other uniform liquid could transmitting ultrasonic waves.

Clamp-on portable and fixed devices ultrasonic flow meters provide you with an accurate, easy-to-install flow meter. wall mount flow sensor feature quick, easy clamp-on sensor installation, configuration, and a user-programmable menu-driven interface for easy commissioning in the field. Q&T Wall Mounted Ultrasonic Flow Meters use a special algorithm and technology to ensure highly accurate flow measurement. 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 Factory Ultrasonic water flow meters are perfect for wastewater applications, leak-proof structure and IP68 protect grade; Q&T ultrasonic open channel flow meter Measure level, flow rate and total volume flow.
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