river lake irrigation water meter ultrasonic open channel flow meter

China wall mounted Clamp on pipe ultrasonic water flow meter price 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

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.

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

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

QT811 ultrasonic clamp on flow meters are popular used from simple water flow measurements to energy flow monitoring and automated process control. QT811 clamp on ultrasonic flow meter uses clamp-on transducers that are mounted externally on the surface of the pipe and which generate pulses that pass through the pipe wall.

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

This solar power Open Channel Water Meters consists of two elements, a host, which has display and an integral keypad for programming, and a transducer/probe, which must be mounted directly above the surface to be measured. It can be widely applied to the environmental protection, water treatment, irrigation, chemical, and other industries.

Specifications:
Display: Backlight?LCD
Flow?Rate?Range: 0.0000~99999L/S?or?m3/h
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

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

QT621 Portable ultrasonic flow meter is a portable transit-time ultrasonic flowmeter with clamp-on transducers for non-invasive liquid measurement of clean homgeneous fluids.
Portable ultrasonic flow meter mainly consists of two parts, transmitter and transducer. With 4-20mA and RS485 communication available, QT621 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

QT621 handheld type ultrasonic clamp on flow meters are with user-friendly design, with built-in Lithium battery provides up to 12 hours of measurement operation.
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

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

Q&T portable ultrasonic flow meters involves sending and receiving ultrasonic pulses from a pair of sensors and examining the time difference in the signal. Portable ultrasonic flow meter 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

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.

Modular type ultrasonic flow meter is one type of ultrasonic flow meter.It has very small size and easy to be installed into instrument box. This type flow is working with clamp type transducer normally. The max measure tube is DN3000 pipe. It have 4-02mA, pulse, and RS485 output also.It even could link with temperature sensor and work as ultrasonic BTU meter.
Accuracy: ±1%
Velocity: 0.5s
Display: LCD with backlight 2*20leters
Signal Outputs: 4-20mA or o-20mA,RS485,Pulse
Liquid Types: Virtually all commonly used liquids
Pipe Size: DN15-DN3000

Liquid flowmeter sensor portable ultrasonic flowmeter is that to use ultrasonic technology to measure the velocity of liquid throught it.It is transit time.With two clamp on transducers to measue Fuel oil, glycol, waste streams, water flow. A user can use hand to hold as well as to operate the ultrasonic water flow meter main unit .The user-interface is self-explanatory and very easy to follow. Besides, the unique clamp-on fixture design makes the installation very simple and no special skills or tools required.
Due to the non-intrusive nature of the clamp-on technique, there is no pressure drop, no moving parts, no leaks and no contamination.
Accuracy: +/-1.0% of FS
Wide range: DN15mm-DN6000mm
Measuring clean liquids
Built-in rechargeable battery 3.6V
Communication: RS232

QT811 clamp on ultrasonic flow meter support a variety of modes which are available for setting and flexibility.
One set is universal for all pipe size in the measuring range, and suitable for many kinds of metal and resin
pipes. Clamp on ultrasonic flow meter support remote monitoring.
with the help of output, could
send the information to PLC,
central control room and etc.

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 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

This non-contact ultrasonic flow meter that is designed for open channel flow metering working with a flume, weir or any other primary device. Non-contact ultrasonic 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.

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

Transit Time Ultrasonic can work alone without a LCD andKeypad module,the module can be used alone as a flow meter.Users caneven integrate a number of the modules into a multi-channel flow meter thatcan measures up to several dozen of different pipes or a flow meter that has higher accuracy by measures the same pipe with all the channels.
Pipe material: Steel, stainless steel, cast iron, copper, cement, PVC, aluminum, glass fiber reinforced plastics, pipes with liner also work
Pipe diameter: 15~6000mm
StraightpipeInstallation condition: upstream10D, downstream 5D, 30D from the pump
Medium Liquid type: Single liquid that could transmit sound wave,
Sewage with small particle content;
Chemicals (alcohol, etc. ) Plant effluent; Beverage;
Ultra-pure liquids, etc.
Temperature: -30~160¡ãC
Turbidity: Not more than 10000ppm, few bubble
Flow rate: 0~¡À7m/s

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%

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

QT811 external clamp on type ultrasonic energy meters uses clamp-on transducers that are mounted externally on the surface of the pipe and which generate pulses that pass through the pipe wall.
Specially external clamp design, QT811 clamp on ultrasonic energy BTU meter could achieve flow measurement without touch the measurement liquid.

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

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

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%

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.
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.

QT621 ultrasonic flow meter is a type of portable flow meter, which support easily moved and installed in different pipes and convenient to carry site to site. 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

Modular type ultrasonic flow meter has very small dimension, but it’s multi-functions. It’s working with clamp type ultrasonic sensor, insertion type ultrasonic sensor or flange type sensor. It could be installed into instrument box by DIN rail.
Size: DN15-DN2000
Pipe Material: All metals, most plastics, fiber glass, etc.Allow pipe liner
Cable: Shielded transducer cable.
Power: AC: 110V/220V or DC: 8VDC-36VDC
Enclosure Protection Class: lP65
Explosive Proof Class: ExdIIBT4

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

Digital Ultrasonic Flow Meter Rotameter Stainless Steel DN15 portable ultrasonic flow meter is an ultrasonic flowmeter used to measure the flow rate of liquids in closed pipes. The transducer is clamp-on type, which will provide the benefits of contamination-free operation and ease of installation. The transit time flowmeter includes two transducers, which act as ultrasonic transmitters and receivers. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring clean liquids Power supply: 24VDC/85VAC-2265AC Communication: RS485

China supplier lcd displayer digital water flow meter and ultrasonic flow meter price is an ultrasonic flowmeter used to measure the flow rate of liquids in closed pipes. The transducer is a non-contact, clamp-on type, which will provide the benefits of contamination-free operation and ease of installation. The transit time flowmeter employs two transducers, which act as ultrasonic transmitters and receivers. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring clean liquids Power supply: 24VDC/85VAC-2265AC Communication: RS485

QT811 clamp on flow meters are suitable for various liquids and compatible with various pipeline materials and sizes. Clamp on flow meter is a type of small size instrument for non-invasive, quick flow and energy measurement with clamp-on technology for many types of piping. With support for 4-20mA, Modbus RS485, clamp on flow meter suppot remote monitoring in PLC control room.

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