RS485 Parshall flume Open Channel Flow Meter

Q&T Ultrasonic flowmeters with clamp on transducers, use ultrasonic technology to measure the velocity of the liquid. Ultrasonic meters are avaiable as clamp-on solutions. Non pipe cutting, this ultrasonic flow meters can display velocity and accumulated flow. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Medium: clean liquids,pure water Built-in rechargeable battery 3.6V Housing Material: ABS

QTDS-100F wall mounted ultrasonic water flowmeter sensor heat meter adopts the self-development measurement technology.This measurement technique is a faster and more accurate process time measurement algorithm. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring single clean liquids Power supply: 24VDC/85VAC-2265AC Communication: RS485

4- 20ma and pulse output wall-mounted type ultrasonic flowmeter is a wide used time difference ultrasonic flowmeter. It is small and light, the installation process is extremely simply and easy to operate. The design of rechargeable battery and universal power supply enables you to realize pipeline measurement anytime and anywhere.
4- 20ma and pulse output wall-mounted type ultrasonic flowmeter consists of two parts: transmitter unit and transducer. The magnetic external clamp on transducer is easy to insntall and can be attached to a metal pipe for continuous flow measurement. It is especially suitable for on-site flow measurement with various pressure requirements.
Accuracy: +/-1.0% of FS
Wide range: DN15mm-DN6000mm
Measuring clean liquids
Power supply: 24VDC/85VAC-2265AC
Communication: RS485

Q&T Open channel flow meter is Modbus ultrasonic flow meter for liquid, top quality 4-20mA and RS485 output, it need work together with weir, flume etc.
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

This solar power ultrasonic water flow meter can directly display the instant and accumulative flow. This open channel 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

Clamp-on ultrasonic flow meters showcase the benefits of digital signal processing: market-leading accuracy, noise immunity and reliability,liquid ultrasonic flow meter popular in many industry. Flow range:± 0.09ft/s ~ ±16ft/s (±0.03m/s ~ ±5m/s);
Outputs:Analog output:4~20mA,max load 750Ω,Pulse output: 0~10KHz;
Communication: RS232/RS485 Mod bus:
Power supply:10~36VDC/1A;
Display:240*128 back lit LCD;

LCD display water portable handheld output ultrasonic flow meter is a portable liquid flow measurement device with a sensor. LCD display water portable handheld output ultrasonic flow meter 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

Digital Ultrasonic flowmeter river water type ultrasonic flowmeter is a high precision no-cut tube measurement method. This special design includes matching sensors for ease of use and is ideal for installation in existing systems 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.
Bi-directional flow measurement over a wide dynamic range.
Applications with conductive or non-conductive liquids for many industrial
No moving parts, no wear, no pressure loss,Maintenance-free

Flange ultrasonic flow meter could be manufactured from 50mm~700mm and mainly be used to measure the flow and heat of clean liquid which don’t contain large concentration of suspended particles or gas.
No moving parts, no wear, no pressure loss,Maintenance-free
Measuring conductivity liquid and Non-conductivity liquid
Can measure zero-flow
2 way input
4-20mA,Pulse,OCT,RS485
Bi-directional flow measurement
Backlit LCD
Measuring up to 100 times/s
Accuracy:¡À0.5%

Flange connect ultrasonic flow meter mainly measure various of pure liquid,such as:Clean water,Sea water,Dringking water,River water,Alcohol etc.
Signal channel type ultrasonic flow meter accuracy it better than 1.0%
Multi-channel type ultrasonic flow meter accuracy can reach 0.5%
Accuracy:¡À1.0%
Single channel or multi channel
2 way input
Heat measurement
Bi-directional flow measurement
Remote type and integral type

Q&T brand ultrasonic flow meter is real flow calibrated,5 flow velocity point and calibrate 3 times for each flow velocity point.Q&T calibration device can calibrate from DN3~DN3000mm,and adopt Seimens,Rosemount,E+H brand flow meter as the standard meter.
Single channel ultrasonic flow meter accuracy <1.0% Multi-channel ultrasonic flow meter caccuracy can reach 0.5% Body material:Standard carbon steel,SS304 and SS316 are optional Power supply:DC24V and AC220V Connection way:Flange type Media temperature :-30~+150¡æ

QT621 handheld type ultrasonic water flow meter adopt transit-time principle. Portable ultrasonic flow meters are with clamp-on transducers for non-invasive liquid measurement of clean homgeneous fluids.Clamp-on transducers create no wear, zero pressure loss,
and do not require process interruptions to install them since they are attached to the outside of the pipe.

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

Flange ultrasonic flow meter is one kind of contact flow metera and it is time difference meters that use ultrasonic technology to measure the velocity of an acoustically conductive liquid moving through it.
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.
OCT output
RS485 communication
Accuracy:¡À1.0%
Flow velocity:0.1~¡À10m/s
Input:Two-wire PT1000
Supporting single channel and multi-channel

QT621 battery powered ultrasonic clamp on flow meters are widely used from simple water flow
measurements to energy flow monitoring and automated process control.
Portable ultrasonic flow meters are with various kinds of output signals, including, 4-20mA analog and RS485 modbus which is very common and convenient for onsite monitoring.

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

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

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.
Measuring cycle:50mS
Output:4~20mA,Pulse,OCT,RS485
Body material:Standard carbon steel,SS304 and SS316 are optional
Power supply:DC24V and AC220V

PN16 Flowmeter Water Wall Mounted Clamp On Ultrasonic Flow Meter Digital Water 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

High quality liquid flow meter sensor portable ultrasonic flow sensor is easy to use, fast to measure flow. It is a popular flowmeter for sewage environmental monitoring departments and large-diameter tap water flow measurement. High quality liquid flow meter sensor portable ultrasonic flow sensor has the characteristics of large measurement range, and different types of sensors can be used, which can realize the measurement of pipeline flow with diameters of DN20~DN6000mm. High-precision measurement, the measurement accuracy is better than ¡À1%, the linearity is 0.5%, and the repeatability accuracy is 0.2%. Non-contact measurement The Factory supplier LCD displayer digital ultrasonic flow meter sensor is adsorbed on the outer wall of the pipe to complete the flow measurement. Measuring accuracy: +/-1.0% of FS Transducer temperature: -30~90¡ãC/-30¡ãC~160¡ãC Measuring clean liquids Built-in rechargeable battery 3.6V Communication: RS232

Precise digital display insertion clamp on ultrasonic water flow meter Wall mounted ultrasonic flowmeter is simple to install and is suitable for large diameter pipes requiring monitoring and flow measurement, as well as a wide network of smaller supply lines.Precise digital display insertion clamp on ultrasonic water flow meter Wall mounted ultrasonic flowmeter provide the tools needed to meet the diverse requirements of such a demanding industry. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring clean liquids Power supply: 24VDC/85VAC-2265AC Communication: RS485

For the Doppler Open Channel flow meter, it is a kind of sensor that measures flow velocity and flow rate in natural waters, channels or pipes. Wall-mounted type Doppler Open Channel flow meter consists of a wall-mounted flow calculator and a transducer. The transducer consists of a flow velocity sensor, a water depth sensor of ultrasonic principle, a water depth sensor of pressure principle and a conductivity sensor, which are separately used to measure flow velocity, depth, and conductivity of water in rivers, streams, open channels and pipelines.

Specifications:
Measurement categories: velocity, flow, water depth, water temperature
Level of protection: IP68
Purpose: on-line measurement
Velocity measuring range: the standard is 0.04 m/s ~ 5.00 m/s (the sensor is 20
cm above minimum depth) ;Other velocity range can be customized.
The velocity measurement resolution: 1 mm/s;
Water depth measurements: 0.02 m ~ 10.00 m; Resolution: 2 mm accuracy:
¡À0.5%;
Flow range: 10 L/s ~ 99999999 cubic meters/hour
Power supply: battery, 12 VDC;
Output signal (battery): RS485;
Output signal (external power supply) : 4-20 mA;
4-20 ma output signal content: instantaneous flow rate£»
Cable length between sensor and transmitter: 10 m;
Types of channels subjected to measurement: pipeline, channels, natural stream
and rivers;

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.
Flange ultrasonic flow meter could be manufactured from 50mm~700mm and mainly be used to measure the flow and heat of clean liquid which don’t contain large concentration of suspended particles or gas.
Bi-directional flow measurement
Backlit LCD
Measuring up to 100 times/s
Accuracy:¡À0.5%

Industrial ultrasonic flow meter output for water ultrasonic flow meter pvc pipe heat 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.

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

Protable Ultrasonic Water Flowmeter Price,Ultrasonic Flow Meter is a portable liquid flow measurement device with a sensor. Protable Ultrasonic Water Flowmeter Price,Ultrasonic Flow Meter 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

Digital wall Mounted Clamp on Ultrasonic transducer 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

For the 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

Q&T portable ultrasonic flow meters are non-invasive flowmeters which work on the transit time ultrasonic principle. Portable ultrasonic flow meter involves sending and receiving ultrasonic pulses from a pair of sensors and examining the time difference in the signal. support 4-20mA analog output, RS485 modbus protocol and data logger function 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

Modular Flow Meter is in market in various sizes, designs and shapes. It is highly appreciated for their long functional life.The main unit has the advantages of small size, complete functions and low price. Using guide rail installation, it is suitable to be installed in instrument box or distribution box.
Linearity: 0.5%
Repeatability: 0.20%
Accuracy: Better than ¡À1% for velocity above 0.2m/s
Response Time: 0-999 second, user-configurable
Flow Range: ¡À32m/s
Measuring Pipe Size: 25mm-6000mm
Units: English(U.s.) or metric
Totalizer: 7-digit totalizer for net, positive and negative flow respectively

QT621 portable type ultrasonic flow meter is widely applied in oil industry, water treatment, pure water, chemical and etc.
Portable ultrasonic flow meter transmitter configurable for flow and thermal energy measurement. QT621 portable ultrasonic flow meter support quickly verify the flow reading of another meter and to data log flow system values over an extended time period.

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