high accuracy 1% remote monitoring RS485 Modbus RTU clamp on small size flow meter

QT621 portable type ultrasonic clamp on flow meters support quite quick verify the flow reading of another meter and to data log flow system values over an extended time period.
Portable 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.

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

Fixed type clamp on ultrasonic flowmeter with RS485 Modbus flow meter 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 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

Ultrasonic flow meter is one kind of water flow meter which accuracy less than 1.0%
Flange type ultrasonic flow meter no moving parts, no wear, no pressure loss,Maintenance-free and can measure conductivity liquid and Non-conductivity liquid.
2 way analogy input could transmit flow,pressure,temperature,pressure etc

QT621 ultraonic flow meter portable type is an easy operation instrument for non-invasive, quick flow and energy measurement with clamp-on technology for many types of pipings.
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

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

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

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

QT811 clamp on ultrasonic flow meter is a type of non-invasive flowmeters work on the transit time ultrasonic principle. This involves sending and receiving ultrasonic pulses from a pair of sensors and examining the time difference in the signal. Suitable for various liquids and compatible with various pipeline materials and sizes.

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

Wall mounted Ultrasonic Flow meter Data Logger Digital Ultrasonic chemical Liquid 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. The transducer can be installed in a v-type method, where the sound travels through the pipe twice, a w-type method, where the sound travels through the pipe four times. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring clean liquids Power supply: 24VDC/85VAC-2265AC Communication: RS485

Q&T PLCM Open Channel flow meter is CE Certificated Open Channel Flowmeter, RS485 River Flow Meter Open Channel; The cable length between probe and host up to 1000m; This PLCM ultrasonic flow meters are perfect for wastewater applications.
The probe with leak-proof structure and IP68 protect grade.
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

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.
Accuracy:±1.0%
Heat measurement
Carbon steel body

This PLCM ultrasonic open channel flow meter is designed for different 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

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 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

Not affected by water quality, the ultrasonic open channel flowmeter can be equipped with a communication interface, which is easy to connect with SCADA systems to achieve industrial remote monitoring and control.

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 Flow meter for applications in clean water and in low conductivity media. Operating principle based on transit time measurement.
Output:4-20mA,Pulse,OCT
Communication:RS485
Transmitter working temperature:-10~70¡æ
Sensor wotking temperature:-30~150¡æ
Power supply:DC24V,AC220V

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

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

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

Digital Wall Mounted Clamp on Ultrasonic Flowmeter Flow Meter 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 linesDigital Wall Mounted Clamp on Ultrasonic Flowmeter Flow Meter 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

Its unique features, particularly low cost, small size, high performance, local display, make it the ideal choice for industrial automation, processing control, flow meter networking, composing multi-channel, high accuracy flow meter.
Pipe diameter range15mm-6000mm
OutputRS485, OCT, 4-20mA
Working powerThe isolation dc8-36V
DisplayLCD with backlight,2*20 letters
Suitable Temperaturer: -40-160 degrees Celsius
Protection ClassIP65 for main unit,IP68 for sensors
Transducers
Clamp-on type, insertion type,pipeline type optional

Q&T Modbus Digital Ultrasonic Fluid Flow Meter Clamp On Ultrasonic Flowmeter 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 Modbus Digital Ultrasonic Fluid Flow Meter Clamp On Ultrasonic 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

QT621 Portable ultrasonic flow meter could be widely used from simple water flow measurements to energy flow monitoring and automated process control. applications. QT621 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. 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

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;

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

QT811 clamp on ultrasonic flow meter is with specially design with built-in transducers and LCD monitor in one body. Clamp-on transducers are mounted externally on the surface of the pipe and which generate pulses that pass through the pipe wall. The flowing
liquid within causes time differences in the ultrasonic signals, which are then evaluated by the flowmeter to
produce an accurate flow measurement.

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

Transmitter and transducer install seperately.Transmitter can install at indoor,Instrument cabinet,Dashboard.

Handheld ultrasonic water flowmeter for liquid is mainly divided into ultrasonic flow unit, flow transducer and information processing circuit, flow display. First, the ultrasonic signal generator is used to send the signal, the sensor receives the signal, and the time difference is obtained. The ultrasonic information is processed according to the information processing circuit, and the flow is transmitted to the display screen in the form of an electrical signal, and the result is displayed 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.

Q&T 4- 20ma output wall-mounted type ultrasonic flowmeter is the non-invasive method of high accurate flow measurement. The special design includes matching senssors for ease of use ideal for installation in existing systems. The QTDS-100H is designed for ?¡± to 240¡±.
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