Factory supply MODBUS ultrasonic open channel flowmeters

QT621 ultraonic flow meter portable type is an ideal instrument for non-invasive, quick flow and energy measurement with clamp-on technology for many types of pipings.
Portable ultrasonic flow meter support 4-20mA analog output, RS485 modbus protocol and data logger function 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

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

Factory Ultrasonic Flow Meters water flow sensor 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

RS232 3.6V Lithium Battery Digital Water 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. Digital Water Handheld Ultrasonic Flow Meter 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 Communication: RS232

Ultrasonic water flowmeter for liquid ultrasonic 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

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

QT621 handheld ultrasonic flow meter support to carry from site to site conveniently. Support accurate 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 in the water injection flow measurement, raw water flow measurement, tap water flow measurement etc.

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 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

Wall mounted ultrasonic flow meter clamp on type flowmeter 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

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

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

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

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

An ultrasonic flow meter utilizes ultrasound to measure the velocity of a fluid and is used in a variety of fluid applications
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.

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

Factory supplier Digital Ultrasonic Flow meter pulse output flowmeter 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. Factory supplier Digital Ultrasonic Flow meter pulse output flowmeter 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

QT621 ultrasonic water flow meters are popular in oil industry, water treatment, pure water, chemical and etc. Portable ultrasonic flow meter main advantage is that the meter can be easily moved and installed in different pipes and convenient to carry site to site. Adopt the technology of transit time, ultrasonic waves transmitted and received through moving liquid.

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 clamp-on flow meter water flowmeter flow rate sensor cheap ultrasonic flow meter is a portable liquid flow measurement device with a sensor. This Ultrasonic clamp-on flow meter water flowmeter flow rate sensor cheap ultrasonic flow meter 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

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

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.
Accuracy:¡À1.0 %
Viscosity:0.1~¡À10m/s
Output:4~20mA,Pulse,OCT,RS485
Body material:Standard carbon steel,SS304 and SS316 are optional

Measuring Pipe Size DN15-DN6000 Wall Water Mounted Ultrasonic Flow Meter 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

Q&T Clamp-on Portable ultrasonic flow meter 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¡±.
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

Liquid clamp on ultrasonic flowmeter 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

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
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.
Input:Two-wire PT1000
Output:4-20mA,Pulse,OCT
Communication:RS485
Szie:DN15~DN6000
Accuracy:¡À1.0 %
Viscosity:0.1~¡À10m/s

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

Strap on ultrasonic flow meter enjoy ±1.0% accuracy in real application,300times/second high responsive speed,Q&T water liquid ultrasonic flow meter could measure 0.03m/s low flow velocity. Accuracy:±1% of measured value;
Temperature:Transmitter: -14℉~140℉(-20℃~60℃),Transducer: -40℉~176℉(-40℃~80℃,standard); Humidity:Up to 99% RH, non-condensing;
Transmitter material:PC/ABS,IP65;
Transducer:ABS,IP68

QT621 battery powered ultrasonic clamp on flow meters are widely used from simple water flow
measurements to energy flow monitoring and automated process control.
Portable ultrasonic flow meters are with various kinds of output signals, including, 4-20mA analog and RS485 modbus which is very common and convenient for onsite monitoring.

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

The open channel flow meter 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.

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

The Clamp-on type ultrasonic flow meter, can be used for nearly any liquid from pure water, sewer water, petrol chemicals, metallurgy, electric power plant coolant flow, irrigation, city water, energy monitoring, the meter can indicate flow velocity, flow rate, total flow for nearly any fluid.
Accuracy: +/-1.0%
for pipelines from DN15mm up-to DN6000mm
for flow speeds as low as 0.01 m/s and as high as 32 m/s
for ambient temperatures as low as -65 deg C and as high as +70 deg C and at 100% humidity
for liquid temperatures in the range of -30 deg up-to 160 deg C
in hazardous areas and hard to access locations
Clamp-on Ultrasonic Flow meter for Liquids

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.
No moving parts, no wear, no pressure loss,Maintenance-free
Measuring conductivity liquid and Non-conductivity liquid
Can measure zero-flow
2 way input
4-20mA,Pulse,OCT,RS485
Bi-directional flow measurement
Backlit LCD
Measuring up to 100 times/s
Accuracy:¡À0.5%