Ultrasonic water flow meter

QT621 ultrasonic flow meter is a portable type flow meter for non-invasive, quick flow and energy measurement with clamp-on technology for many types of piping. Portable ultrasonic flow meter support powerful data storage and also support the data sheet analysis software. Portable type ultrasonic flow meter can be easily moved and installed in different pipes and convenient to carry site to site.

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

Q&T Factory PLCM open channel flow meter work together with Rectangular weir, it is cost effective Open Channel Measuring Instrument, excellent choice for open channel 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

Solar power GPRS Open Channel Flow Meter river flow meter can directly display the instant and accumulative flow. This Open Channel Water 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 high quality 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

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;

Q&T wall-mounted ultrasonic flowmeter incorporates the latest ultrasonic technology to give you an accurate, easy to use hybrid flow meter with transit-time operating modes. With their quick and easy clamp-on transducer installation, factory pre-configuration and user programmable menu driven interface, the ultrasonic flow meters are a snap to commission in the field. The reliable Q&T wall-mounted ultrasonic flowmeter use custom algorithms and technology to ensure high accuracy flow metering.
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

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

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

Portable handheld ultrasonic flowmeter clamp on water flowmeter installation, no pipe cutting required. This is very different from traditional flow devices. The user simply clamp on the flow sensor to the pipe surface. ThePortable handheld ultrasonic flowmeter clamp on water flowmeter 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. This advantage is more suitable for strong acid, strong alkali, poisoning, corrosive liquid, etc. Sensor: Clamp-on/External Principle: transmit time Size: DN15mm-DN6000mm Measuring medium: Liquid 3.6V Battery-powered

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

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

China portable water flow sensor handheld ultrasonic flow meter is a non-contact instrument, which can measure the flow of medium with large diameter and can also be used for the measurement of medium that is not easy to contact and observe. Its measurement accuracy is very high, and the external clip-type installation can reach the highest accuracy of ¡À1.0%. It is almost not disturbed by various parameters of the measured medium, especially it can solve the strong corrosiveness, non-conductivity, Flow measurement of radioactive and flammable and explosive media 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

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

Inline ultrasonic flow sensors are popular solution to simplify flow measurement across a variety of applications.
Higher accuracy across a wide range of applications compared to mechanical meters.
Can be installed permanently or temporarily
Feature a streamlined design without moving parts, which results in minimal maintenance and low cost of installation and ownership.

Inline ultrasonic flow meter could connect temperature sensor to become one calorimeter and widely be used in Process control, Production measurement, Trade settlement.
Ultrasonic flow meter mianly fro Condensate, Boiler feed water,Drink water etc
Input:Two-wire PT1000
Output:4-20mA,Pulse,OCT
Communication:RS485
Transmitter working temperature:-10~70¡æ
Sensor wotking temperature:-30~150

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

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

OEM DN15-DN6000 China Wall Mounted Ultrasonic Water Flowmeter is a portable liquid flow measurement device with a sensor. This 2-inch clamp-On Ultrasonic Flow Meterutilizes 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. 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

Fixed type ultrasonic flowmeter enjoy easy&simple installation,higher flexibility,ultrasonic flow meter has DN25-1200 one pair clamp on sensor is workable with most of the pipe size. Transmitter material: PC/ABS, IP65;
Transducer:ABS,IP68
Accuracy:±1% of measured value;
Repeatability:0.2% of measured value;
Linearity:±1%;

Wastewater ultrasonic flow meter sensor for liquid are widely used in tap water, heating, water conservancy, metallurgy, chemical industry, machinery, energy and other industries. Wastewater ultrasonic flow meter sensor for liquid 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

The portable ultrasonic flowmeter can be used with various types of detectors applicable for small to large diameter pipe (0.5″” to 236″” / 15mm to 6000mm) and low to high temperature (?30 to +160¡ãC).
This Ultrasonic liquid flow meter is designed for 12 hours of continuous operation with a built-in battery ,allows flow, velocity and total data to be stored. Though RS232 to connect with a PC to facilitate configuring the storage as well as saving and reading data files.
Sensor: Clamp-on/External
Principle: transmit time
Size: DN15mm-DN6000mm Measuring medium: Liquid
3.6V Battery-powered

Portable clamp on ultrasonic flow meter 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

This 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

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

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

QT621 Portable ultrasonic flow meter a type of portable instrument for non-invasive, quick flow and energy measurement.Portable ultrasonic flow meter matched precision transducers and signal processing circuitry to accurately measure the flow of most liquids. 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

Q&T brand pulse output ultrasonic flow meter is one kind of economy type flow meter for liquid,multi channle type inline ultrasonic flow meter accuracy less 0.5%
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
OCT output
RS485 communication
Input:Two-wire PT1000

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

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