PRODUCTS
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Integrate/Remote EMF Flow Meters
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Intelligent Open Channel Flow Meter
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Battery Power EMF Flow Meter
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EMF Velocity Meter
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BTU Meter
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Ultrasonic flowmeter
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Partial Filled Pipe EMF Flow Meter
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Full channel wide electromagnetic open channel flowmeter
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Other Supporting Equipment
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Insertion EMF Flow Meter
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Submersible EMF Flow Meter
LDM-51
LDM-51 Open Channel Electromagnetic Flow Meter
I. Product function introduction
LDM-51 open channel electromagnetic flow meter is a flow automatic measuring instrument use for continuous measurement in open pipeline(half pipe sewage or mass flow pipe with none down flow weir) by velocity-area method. It can measure and display instantaneous flow rate, flow velocity, accumulated flow rate and any other data. It’s specially applicable to the measurement of municipal rainwater、sewage water、waste water and irrigation water.
The LDM-51 open channel electromagnetic flow meter is composed by a electromagnetic velocity sensor, a water level sensor and a flow display. It continuous measure the flow rate and liquid level of the liquid in the pipe. The user only input the circular pipe diameter or width of the square pipes, LDM-51 open channel electromagnetic flow meter will automatically calculate and display the flow, instantaneous flow rate, flow velocity, accumulated flow rate and etc. measure parameters.
1.1 Basic function
(a)Low-frequency square-wave exciting, exciting frequency: 1/16 power frequency;
(b)Exciting current can be selected for 50mA, 75Ma, 100mA;
(c)Current speed range: 0.01 --- 10m/s，current speed resolution: 1mm/s;
(d)DC 3.6V switching power，range of voltage: 3.6VDC;
(e)DC 12V switching power，range of voltage：12VDC --- 30VDC;
(f)Network function：MODBUS(RTU), TTLLEV 3.6VDC power;
(g)English displaying mode(other languages can be set);
(h)Forward and reverse measurement could be customized, and record: Forward gross, reverse
gross, show 10-digits;
(i)Used for open channels(circular, Rectangular, and special channels);
(j)Used for continuous measurement of municipal rainwater, sewage water, waste water and irrigation water;
(k)Both forward and reverse flow measurement;
(l)Sensors can be in bad live and waste water quality under long-term reliable operation;
(m)The velocity measurement range: 0.05 --- 10 m/s;
(n)High measurement precision and it is not affected by the downstream tributary of harmony to
the factors of water blocking;
(o)Short measuring pipe straight pipe requirements;
(p)Big screen back light liquid crystal display, whether bright light or night to be able to clearly
read measurement data;
(q)Instrument display and output the function is available, it can display instantaneous flow
velocity of cumulative flow data, and communication interface with the computer RS485
(optional);
(r)GSM and GPRS wireless data remote transmission function (optional);
(s)Nominal diameter circular pipes: DN100 --- DN6000(ultrasonic level meter: depth DN<h; range
> 5cm; stress level meter 2DN<h; range>2cm. DN is diameter size)
(t)Rectangular pipe: width ≤6m, depth ≤32m.
1.2 Special function
Remember the historical data forever, zero point adjust automatically. It could connected with
current meter(4-20A signal)
1.3 Normal working condition
Ambient temperature： –10～+ 60℃;
Relative humidity：5%～90%;Power supply：AC220V, 110V DC12V, 3.6V battery;
Dissipation power: less than 5W.
1.4 Connection types with sensors
Remote type: squared shell, shell connect with sensor by cable;
1.5 Converter’s appearance
LDM-51 LS Converter shell series
II. Basic circuit of converter
Diagram 2.1 Circuit structure of converter
Open channel flow converter provides stable excitation current to electromagnetic velocity sensor,
and front amplifier will enlarge induced electromotive force and exchange to standard current
signal or frequency signal, which is convenient to display, control and adjust the flow. As diagram
2.1, the structure of converter circuit.
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MGG/KL-PFMGG/KL-PF partial filled electromagnetic flow meter is a flow automatic measuring instrument use for continuous measurement in open pipeline(half pipe sewage or mass flow pipe with none down flow weir) by velocity-area method. It can measure and display instantaneous flow rate, flow velocity, accumulated flow rate and any other data. It’s specially applicable to the measurement of municipal rainwater、sewage water、waste water and irrigation water.MGG/KL-PF0.00MGG/KL-PF partial filled electromagnetic flow meter is a flow automatic measuring instrument use for continuous measurement in open pipeline(half pipe sewage or mass flow pipe with none down flow weir) by velocity-area method. It can measure and display instantaneous flow rate, flow velocity, accumulated flow rate and any other data. It’s specially applicable to the measurement of municipal rainwater、sewage water、waste water and irrigation water. -
MGG/KLMGG/KL model electromagnetic flow sensor is made depend on Faraday’s law of electromagnetic induction, and linearly transfer the fluid flow of pipe into voltage signal, which will be mated with MGG/KL model electromagnetic flow converter to be named MGG/KL model electromagnetic flow meter, and used to measure the flow of kinds of conductive liquids.MGG/KL0.00MGG/KL model electromagnetic flow sensor is made depend on Faraday’s law of electromagnetic induction, and linearly transfer the fluid flow of pipe into voltage signal, which will be mated with MGG/KL model electromagnetic flow converter to be named MGG/KL model electromagnetic flow meter, and used to measure the flow of kinds of conductive liquids. -
Full channel wide electromagnetic open channel flowmeterL D M-5 1 intelligent open channel flow measuring system (full channel wide box type electromagnetic open channel flow meter) is the only intelligent measuring device that can directly measure the average flow speed of the overflow section. The whole channel wide box electromagnetic open channel flow meter adopts the flow speed-area method, consisting of the whole channel wide electromagnetic flow speed sensor, liquid level sensor and intelligent converter. The working principle is to calculate the section area measured by the area of the channel. The water level of the level meter with different principles, the liquid level meter is generally measured by ultrasonic level meter, pressure level meter, etc. The measurement system can realize precise flow control function by combining gate, solar control system and wireless communication remote control, which is the basis of gate linkage control and information solution in irrigation area.Full channel wide electromagnetic open channel flowmeter0.00L D M-5 1 intelligent open channel flow measuring system (full channel wide box type electromagnetic open channel flow meter) is the only intelligent measuring device that can directly measure the average flow speed of the overflow section. The whole channel wide box electromagnetic open channel flow meter adopts the flow speed-area method, consisting of the whole channel wide electromagnetic flow speed sensor, liquid level sensor and intelligent converter. The working principle is to calculate the section area measured by the area of the channel. The water level of the level meter with different principles, the liquid level meter is generally measured by ultrasonic level meter, pressure level meter, etc. The measurement system can realize precise flow control function by combining gate, solar control system and wireless communication remote control, which is the basis of gate linkage control and information solution in irrigation area. -
MGG/KL-CCMGG/KL-CC model insertion type electromagnetic flow converter mated to be MGG/KL-CC model insertion type electromagnetic flow meter to measure the volume flow of kinds of conductive liquids.MGG/KL-CC0.00MGG/KL-CC model insertion type electromagnetic flow converter mated to be MGG/KL-CC model insertion type electromagnetic flow meter to measure the volume flow of kinds of conductive liquids. -
MGG/KL-DCBThe MGG/KL-DCB series of electromagnetic velocity meter is portable instrument flow designed for the flow velocity/rate measurement. It’s professional for agricultural irrigation, hydrologic monitoring, rivers flow monitoring, municipal water.MGG/KL-DCB0.00The MGG/KL-DCB series of electromagnetic velocity meter is portable instrument flow designed for the flow velocity/rate measurement. It’s professional for agricultural irrigation, hydrologic monitoring, rivers flow monitoring, municipal water. -
LDM-51LDM-51 open channel electromagnetic flow meter is a flow automatic measuring instrument use for continuous measurement in open pipeline(half pipe sewage or mass flow pipe with none down flow weir) by velocity-area method. It can measure and display instantaneous flow rate, flow velocity, accumulated flow rate and any other data. It’s specially applicable to the measurement of municipal rainwater、sewage water、waste water and irrigation water.LDM-510.00LDM-51 open channel electromagnetic flow meter is a flow automatic measuring instrument use for continuous measurement in open pipeline(half pipe sewage or mass flow pipe with none down flow weir) by velocity-area method. It can measure and display instantaneous flow rate, flow velocity, accumulated flow rate and any other data. It’s specially applicable to the measurement of municipal rainwater、sewage water、waste water and irrigation water. -
MGG/KL-DCWMGG/KL-DCW model electromagnetic water meter is specially designed for water industry, to satisfy urban water supply and fees settlement. It widely used in the working sites without power source such as city water supply, heat supply, sewage treatment, water conservancy, water projects and etc.MGG/KL-DCW0.00MGG/KL-DCW model electromagnetic water meter is specially designed for water industry, to satisfy urban water supply and fees settlement. It widely used in the working sites without power source such as city water supply, heat supply, sewage treatment, water conservancy, water projects and etc. -
MGG/KL-DCSThis meter designs for the partition and area system's measurement. The excellent performance will make the trade settlement of water supply and consumption units more easier. Not only it could realize the automatic double direction flow measurement, pressure measurement, site instantaneous flow, forward/reverse accumulative flow display and self diagnostic faults alarm, but also data wireless remote transfer function. The user could realize the flow data wireless remote transfer and storage by strong GSM/GPRS remote management software system, and improve the reading and measuring work to process management. It will be easier to know the running status of water supply, and get better economic efficiency for our users.MGG/KL-DCS0.00This meter designs for the partition and area system's measurement. The excellent performance will make the trade settlement of water supply and consumption units more easier. Not only it could realize the automatic double direction flow measurement, pressure measurement, site instantaneous flow, forward/reverse accumulative flow display and self diagnostic faults alarm, but also data wireless remote transfer function. The user could realize the flow data wireless remote transfer and storage by strong GSM/GPRS remote management software system, and improve the reading and measuring work to process management. It will be easier to know the running status of water supply, and get better economic efficiency for our users. -
MGG/KL-DCMGG/KL-DC model electromagnetic water meter is designed specially for water industry, to satisfy urban water supply and water resource management system(RTU), provide information management service, and ensure accurate water fees calculation, which is widely used to the sites without power supply, such as city water supply, sewage treatment, water conservancy project and other water resource management industries.MGG/KL-DC0.00MGG/KL-DC model electromagnetic water meter is designed specially for water industry, to satisfy urban water supply and water resource management system(RTU), provide information management service, and ensure accurate water fees calculation, which is widely used to the sites without power supply, such as city water supply, sewage treatment, water conservancy project and other water resource management industries. -
MGG/KL/RGMGG/KL-RG model electromagnetic BTU meter consists of electromagnetic flow sensor, temperature sensor and electromagnetic heat converter. It is used for measuring the released heat from heat-carrying fluid. It adopts high accuracy and reliable electromagnetic flow meter to measure the flow, high accuracy and reliable platinum resistances to measure temperature; the high speed 16-digit single chip calculates data. So the electromagnetic BTU meter is very excellent on measuring performance.MGG/KL/RG0.00MGG/KL-RG model electromagnetic BTU meter consists of electromagnetic flow sensor, temperature sensor and electromagnetic heat converter. It is used for measuring the released heat from heat-carrying fluid. It adopts high accuracy and reliable electromagnetic flow meter to measure the flow, high accuracy and reliable platinum resistances to measure temperature; the high speed 16-digit single chip calculates data. So the electromagnetic BTU meter is very excellent on measuring performance. -
Ultrasonic flowmeterWide Measuring Range：Several types transducer for selection, pipe size from Dn 15 mm to Dn 6000 mm.Ultrasonic flowmeter0.00Wide Measuring Range：Several types transducer for selection, pipe size from Dn 15 mm to Dn 6000 mm. -
Solar Power System• Using single crystal silicon, transfer efficiency>16%, 10 years light failure<10%;• Surface using high transparency armored glass with high optics transmittance and reducing reflection of light to improve the transfer efficiency of photo-voltaic module;Solar Power System0.00• Using single crystal silicon, transfer efficiency>16%, 10 years light failure<10%;• Surface using high transparency armored glass with high optics transmittance and reducing reflection of light to improve the transfer efficiency of photo-voltaic module; -
MGG/KL-CC-DCSMGG/KL-CC-DCS model insertion type battery power electromagnetic flow meter with GPRS GSM is specially designed for water industry, satisfy urban water supply and water source management system(RTU). It provides information management service to ensure accurate water fees calculation and widely used in non-power supply site, such as city water supply, sewage treatment, water conservancy project and water source management.MGG/KL-CC-DCS0.00MGG/KL-CC-DCS model insertion type battery power electromagnetic flow meter with GPRS GSM is specially designed for water industry, satisfy urban water supply and water source management system(RTU). It provides information management service to ensure accurate water fees calculation and widely used in non-power supply site, such as city water supply, sewage treatment, water conservancy project and water source management. -
MGG/KL-CC-DCMGG/KL-CC-DC model insertion type battery power electromagnetic flow meter designed for water industry, urban water supply and water resources management system(RTU). It provides information management services, ensure accurate water fee calculation and widely used for location without power. Such as: urban water supply, sewage treatment, water conservancy project and other water management industries. MGG/KL-CC-DC insertion type battery power electromagnetic flow meter adopts sensor excitation system and high performance lithium battery power system with special designed. The 16-bit flushbonading low- consumption processor with digital signal processing has high accuracy, stable measurement and anti-interference performance. The built-in high performance lithium battery does not need external power, and low requirement for upstream and downstream straight pipe. It does not have to set parameter and cable connection so it will be very easy for the installation and almost work every different sites. The IP68 shell could work in the deep well for long time.MGG/KL-CC-DC0.00MGG/KL-CC-DC model insertion type battery power electromagnetic flow meter designed for water industry, urban water supply and water resources management system(RTU). It provides information management services, ensure accurate water fee calculation and widely used for location without power. Such as: urban water supply, sewage treatment, water conservancy project and other water management industries. MGG/KL-CC-DC insertion type battery power electromagnetic flow meter adopts sensor excitation system and high performance lithium battery power system with special designed. The 16-bit flushbonading low- consumption processor with digital signal processing has high accuracy, stable measurement and anti-interference performance. The built-in high performance lithium battery does not need external power, and low requirement for upstream and downstream straight pipe. It does not have to set parameter and cable connection so it will be very easy for the installation and almost work every different sites. The IP68 shell could work in the deep well for long time. -
MGG/KL-QC1)Low-frequency square-wave exciting, exciting frequency: 1/16 power frequency, 1/20power frequency, 1/25 power frequency;2)High-frequency square-wave exciting, exciting frequency: 1/2 power frequency(for grouting liquid measure);MGG/KL-QC0.001)Low-frequency square-wave exciting, exciting frequency: 1/16 power frequency, 1/20power frequency, 1/25 power frequency;2)High-frequency square-wave exciting, exciting frequency: 1/2 power frequency(for grouting liquid measure);
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Tel: +86-371-22959056
Fax: +86-371-22859056
E-mail: info@klflow.com
Add: Pi Tun south road, shunhe district, kaifeng city, henan province, China
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© 2021 Kailiu Instrument Co., Ltd All rights reserved.
豫ICP备15034290号 Powered by www.300.cn
SupportedIPV6