Reliable Open Channel Water Meters 4-20mA output Open channel flow meter

PLCM Open Channel flow meters measure level, flow rate and total volume of water flowing through weirs, flumes, channels and partially filled pipes. The flow meters use a non-contact level sensor. Application field£º
1. Water and sewage treatment£ºpump room, collection well, biochemical reaction
tank, sedimentation tank.
2. Electricity, mines£ºmortar pool, coal slurry pool, butter storage tank, stockyard
or some mobile equipment control, etc.
3. 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

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

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

Wall mounted clamp on ultrasonic flow meter digital water flow meter ultrasonic flow meter is a portable liquid flow measurement device with a sensor. Wall mounted clamp on ultrasonic flow meter digital water flow meter ultrasonic flow meter proven transit-time ultrasonic measurement technology for superior accuracy and ease of installation and installation. ThisDigital ultrasonic flow meter water 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

Widely used in Running water,Heating, Water conservation,Metallurgy,Chemical industry,Machinery,Energy etc.

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

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.
Bi-directional flow measurement
Backlit LCD
Measuring up to 100 times/s
Accuracy:¡À0.5%

Inline ultrasonic water flow meter could be manufactured from 50mm~700mm and suitable for continuously measuring flow and heat of clean and uniform liquids without large concentration suspended particles or gases industrial environment.
Input:Two-wire PT1000
Output:4-20mA,Pulse,OCT
Communication:RS485
Szie:DN15~DN6000
Accuracy:¡À1.0 %
Viscosity:0.1~¡À10m/s

QT811 clamp on flow meters are suitable for various liquids and compatible with various pipeline materials and sizes. Clamp on flow meter is a type of small size instrument for non-invasive, quick flow and energy measurement with clamp-on technology for many types of piping. With support for 4-20mA, Modbus RS485, clamp on flow meter suppot remote monitoring in PLC control room.

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

Portable handheld digital ultrasonic flowmeters, clamp-on sensors to measure liquid flow. Installation process is very simple, all Chinese human-machine interface, more easy to operate. Particularly suitable flow balance testing and flow monitoring: drinking water, river water, sea water, cooling water, hot water, industrial waste water, lubricating oil, diesel oil, fuel oil, chemical liquids. Accuracy: +/-1.0% of FS Wide range: DN300mm-DN6000mm Measuring clean liquids Built-in rechargeable battery 3.6V 2000 lines storage Communication: RS232

QT621 ultrasonic flow meter is a type of portable flow meter, main advantage is that the meter can be easily moved and installed in different pipes and convenient to carry site to site. Portable ultrasonic flow meter adopt the innovative design includes matched precision transducers
and signal processing circuitry to accurately measure the flow of most liquids over a wide range of velocities.

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

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

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

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

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

This open Channel flow meter can be used for continuous measuring of municipal rain-water, wastewater, sewage discharge and irrigation water pipelines. This Open Channel flow meter measures level, flow rate and total volume of water flowing through weirs, flumes, and channels etc.

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

QT621 is a portable transit-time ultrasonic flow meter with advanced functions. Portable ultrasonic flow meter includes matched precision transducers and signal processing circuitry to accurately measure the flow of most liquids. With 4-20mA and RS485 communication available, QT621 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

This solar power 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

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

Ultrasonic flow meter 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.
Accuracy:±1.0% ; Heat measurement
Carbon steel body; Dual power supply:24VDC &220VAC
Flow velicity:0~±10m/s; 2 way input
4-20mA,Pulse,OCT,RS485; Bi-directional flow measurement
Backlit LCD

The Solar power GPRS Open Channel Flow Meter has 4-20mA and RS485 signal output, it can be equipped with a communication interface, which is easy to connect with SCADA systems to achieve industrial remote monitoring and control. This Open Channel flow meter measures level, flow rate and total volume of water flowing through weirs, flumes, and channels etc.

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

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
2 way analogy input could transmit flow,pressure,temperature,pressure etc
Instantaneous flow,Total flow,Heat,Positive flow,Negative flow
OCT output
RS485 communication
Accuracy:¡À1.0%
Flow velocity:0.1~¡À7m/s
Input:Two-wire PT1000

Insertion type ultrasonic flow meters allow measurement of pipes that are not compatible with the clamp-on type,like the cement pipe etc,fixed type ultrasonic flow meter also use for large pipe. 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;
Flow range:± 0.09ft/s ~ ±16ft/s (±0.03m/s ~ ±5m/s);

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
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 .
Output:4-20mA,Pulse,OCT
Communication:RS485
Transmitter working temperature:-10~70¡æ
Sensor wotking temperature:-30~150¡æ
Power supply:DC24V,AC220V
Memory function

This solar power ultrasonic water flow meter can directly display the instant and accumulative flow. This open channel ultrasonic flow 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 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

OEM ultrasonic Flow meter for applications in clean water and in low conductivity media. Operating principle based on transit time measurement.
Inline type ultrasonic flow meter can be OEM,such as Body color,Transmitter color,Channle number,Logo display etc.
Power supply:DC24VDC or AC220V
Output:4-20mA,OCT,Pulse
Comm port:RS485 MODBUS-RTU

LCD Display Water Portable Handheld 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

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.

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

Portable ultrasonic flow meter clamp on ultrasonic flow meter water ultrasonic flow meter measure flow by propagating ultrasonic waves into a liquid-filled pipe. These Portable ultrasonic flow meter clamp on ultrasonic flow meter water ultrasonic flow meter 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