best price 4-20mA RS485 portable ultrasonic flow meter

PLCM open channel flow meter is LCD display, it is a good choice for waster water, rive, channel flow measuring, We can do high quality OEM for you.
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 Open channel flow meter is a high accuracy ultrasonic flow meter for liquid, top quality. It has 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

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

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

Portable ultrasonic flowmeter Water flow meter Digital Water Flow Meter wall-mounted ultrasonic flowmeter is designed to work with clamp-on transducers to enable the flow of a liquid within a closed pipe to be measured accurately without needing to insert any mechanical parts through the pipe wall or protrude into the flow system.

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

Handheld ultrasonic clamp on water flow meter flowmeter,hydraulic sewage liquid ultrasonic flow meter sensor 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

Q&T wall-mounted type ultrasonic flowmeter measure flow rate by propagating ultrasound waves into liquid-filled pipes and measuring the flow. With transit time, these clamp-on ultrasonic meters are outside the pipe, providing a wide range of pipe sizes, no pressure loss, none contact with internal liquid and no moving parts.
Accuracy: +/-1.0% of FS
Wide range: DN15mm-DN6000mm
None cut down pipe
Power supply: 24VDC/85VAC-2265AC
Communication: RS485

QT811 clamp on type ultrasonic flow 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
get the flow rate without touch the measurement medium.
Compared with other traditional type flow meters, QT811 clamp on ultrasonic meters 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

Wall Mounted ultrasonic flowmeter 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

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

Wall mounted clamp on ultrasonic flow meter water 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. Wall mounted clamp on ultrasonic flow meter water 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

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

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

The Q&T 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 channel flow monitoring.

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

Drinking water flowmeter ultrasonic clamp on type flowmeter is a portable liquid flow measurement device with a sensor. This Drinking water flowmeter ultrasonic clamp on type 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

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

TDS-100M modular ultrasonic flow meter can work alone without a LCD and Keypad module, the module can be used alone as a flow meter. Users can even integrate a number of the modules into a multi-channel flow meter that can 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, The design of the meter is intended to provide for users like system integrators and OEM users with a lowest cost but of high performance flow meter.
Warranty1 year
Customized supportOEM, ODM, OBM
Place of OriginChina
TypeVariable Area Water Flowmeters, Variable Area Air & Gas Flowmeters, Variable Area Petrolum Flowmeters, Variable Area Oil Flowmeters
Pipe diameter range15mm-6000mm

Wall Mounted Ultrasonic flow sensor Water Clamp on flow meter consists of two parts: a transmitter unit and a transducer. Magnetic external clamps on the sensor are easy to install and connect to metal tubing for continuous flow measurement. It is especially suitable for on-site flow measurement of various pressure requirements. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Measuring clean liquids Power supply: 24VDC/85VAC-2265AC Communication: RS485

Handheld Ultrasonic Flowmeter Clamp on Flow Meter Portable Liquid Flow Meter with small transducer 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

Flowmeter Water Wall Mounted Clamp On Ultrasonic Flow Meter Digital Water 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

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

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 fixed ultrasonic RS485 flowmeter type with medium flow sensor 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 fixed ultrasonic RS485 flowmeter type with medium flow sensor 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

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;

Ultrasonic flowmeter handheld ultrasonic flowsensor 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. Ultrasonic flowmeter handheld ultrasonic flowsensor measurement accuracy is very high, and it is hardly disturbed by various parameters of the measured medium. Accuracy: +/-1.0% of FS Wide range: DN15mm-DN6000mm Medium: clean liquids,pure water Built-in rechargeable battery 3.6V Housing Material: ABS

Wastewater ultrasonic flow meter sensor for liquid 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

Q&T 4-20mA output Open Channel flow meter measures level, flow rate and total volume of water flowing through weirs, flumes and channels. The flow meters use a non-contact level sensor. Application field£ºWater and sewage treatment£ºpump room, collection well, biochemical reaction
tank, sedimentation tank. And Electricity, mines£ºmortar pool, coal slurry pool, butter storage tank, stockyard or some mobile equipment control etc. And Food industry£ºwineries, granaries, storage tanks for food materials, etc.

Specifications:
Display: Backlight?LCD
The?maximum?of Accumulative Flow: 9999999.9?m3/h
Resolution: 1mm
Analogue?Output: 4-20mA
Relays?Output: Standard?2?relay?outputs(Optional?up?to?6?relays)
Serial?Communication: RS485,?MODBUS RTU
Ambient?Temperature: -40 ~70 Degree C
Power?Supply: DC24V, AC 220V£»Optional?DC12V

DN50 ultrasonic water flow meters, RS485 digital water 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

Q&T brand wall mounted ultrasonic flow meter accuracy is 1.0% and the repeatability can reach 0.2%.
Wall mounted ultraosnic flow meter also can add the RTD function and become BTU meter.
Output:4-20mA,RS485
Transducer temperature:-40~80℃
Transducer protect:IP68
Power supply:24VDC,90~245VAC power is optional
PT1000 is optional
Both clamp on type sensors and insertion type
sensors are available

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.
Szie:DN15~DN6000
Accuracy:¡À1.0 %
Viscosity:0.1~10m/s
Measuring cycle:50mS