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

Clamp on ultrasonic flow meter is one kind of non-contact instrument and can measure various of liquid,because ultrasonic transduceremit sound wave,any soild will affect the measuring,so the liquid must pure.
Pipe size:25~1200mm
Accuracy:±1.0%
Output:4-20mA,RS485
Power supply:24VDC,90~245VAC power is optional

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.

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

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

QTDS-100H Handheld ultrasonic Flowmeter Portable Water Flow meter 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

QINGTIAN ultrasonic flow meter offer better performance and wide turn-down ratio and non-intrusive sensors that can be installed without cutting into the pipe or stop production. 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);
Outputs:Analog output:4~20mA,max load 750Ω,Pulse output: 0~10KHz;

QT621 Portable ultrasonic flow meter applicable in all areas such as drinking water and sewerage industry, power plants,producing industry, food industry and many more. Portable ultrasonic water flow meter mainly consists of two parts, transmitter and transducer. 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

Liquid portable ultrasonic flowmeter clamp on type 3.6V battery powered can be easily installed, removed and transported. This flowmeter makes them ideal for industrial applications that are already operational or only require occasional flow measurement. In the latter case, the user can use the same clamp on flowmeter to measure flow in multiple locations by unloading and transporting the device for each measurement Measuring accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring clean liquids Built-in rechargeable battery 3.6V Communication: RS232

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

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.

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

QT621 Portable ultrasonic flow meter applicable in all areas such as drinking water and sewerage industry, power plants,producing industry, food industry and many more. Portable ultrasonic water flow meter mainly consists of two parts, transmitter and transducer. 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 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

QT811 external clamp on type ultrasonic energy meters suitable for various liquids and compatible with various pipeline materials and sizes.
Specially external clamp design, QT811 clamp on ultrasonic energy BTU meter could
measure the flow without touch the measurement liquid.
Compared with other traditional type flow meters, QT811 clamp on flow meters could achieve no pressure loss save the cost
of time and labor costs.

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

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.

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

This Open Channel Water Meters can be widely applied to the environmental protection, water treatment, irrigation, chemical, and other industries. Sewage and rainwater are often transported to the treatment plant in open collection channels or flumes. The flow rate is measured at various points in these channels, and our open channel flow meters are the good choice for these applications.

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

This open channel ultrasonic flowmeter is low cost compared with other type open channel flow meter, we are the professional manufacturer of ultrasonic open channel flow meter from China.
And with non-contact type sensor, the meter has a higher reliability than other forms of the instrument, when under the dirt, corrosive liquids case.
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

Q&T Philemon Ultrasonic flow meter is a top quality 4-20mA ultrasonic open channel flow meter and wastewater flow meter; It has Multiple Output: 4-20 mA, relay and RS485 etc; easily connect up to most systems.
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

LCD display Clamp on Portable 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.
The portable 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.
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

Clamp on sensor handheld ultrasonic water Flowmeter is a portable liquid flow measurement device with a sensor. Clamp on sensor handheld ultrasonic water Flowmeter 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

Ultrasonic Flowmeter is a portable liquid flow measurement device with a sensor. This 3-inch 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

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%

Clamp-on type ultrasonic flow meters are easy to install and do not require shutting down or cutting the pipe,or stop the factory production,ultrasonic flowmeter installation saving time and money. 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;
Temperature:Transmitter: -14℉~140℉(-20℃~60℃),Transducer: -40℉~176℉(-40℃~80℃,standard);

Wall mounted and handhold portable clamp on ultrasonic water flow meter battery ultrasonic flowmeter 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

Ultrasonic flow meter is suitable for continuously measuring flow and heat of clean and uniform liquids without large concentration suspended particles or gases industrial environment.
Accuracy:±1.0%
Heat measurement
Carbon steel body
Dual power supply:24VDC &220VAC
Flow velicity:0~±10m/s

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

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

Handheld ultrasonic flow meter with clamp on Middle transducer is easy and accurate flow measurement without interrupting the process, Clamp-on type transducer easily mountable on existing pipes, non-invasive type.Suitable for most of applications. 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

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