2023-01-13
ApplicationMicro flow electromagnetic flow meter AMag Mini adopts the latest integrated circuit, signal processing technology andThe sensor is designed by manufacturing process, and is specially used for micro flow measurement of ultra small caliber.It can be used in chemical industry, food, medical treatment, environmental protection and many other fields.Features of micro electromagnetic flow meter: Compact design and low cost micro flow electromagnetic flow meter;Suitable for liquid with conductivity of 10uS/cm or above;Easy to install and maintenance free;The minimum flow can be as low as 5L/h;Optional integrated temperature sensor is provided to display the medium temperature;Counter with two-way measurement and independent counting;Intelligent ATC detection and judgment;PEEK lining and optional EPDM seals can be provided for sanitary measurement;No moving parts or mechanical wear;Threaded connection, easy to install and disassemble;It is easy to operate and can provide various outputs;DC24V power supply, with or without display screen. Technical parameters are as follows:1. Applicable diameter: DN3-DN202. Electrode material: 316L, HB, HC, Ti3. Lining material: PEEK4. Medium conductivity: more than 10us/cm, softened water more than 20us/cm5. Velocity range: 0.3m/s-10m/s6. Ambient temperature: - 10-60 ℃7. Measuring temperature: - 20-100 ℃8. Pressure: 0.6-1.6MPa9. Protection grade: IP65, IP67 (blind meter)10. Shell material: cast aluminum+stainless steel11. Connection method: thread 1/2, G3/4, NPT1/212. Output signal: 4-20mA, pulse/frequency, RS48513. Power supply: DC24V14. Current power consumption: lobule 150MA15. Boundary dimension: 150X100X70mmSpecial precautions for mini flow meter installationDuring horizontal installation: the display screen should be upward and parallel to the horizontal plane, so as to ensure that the signal electrode is in the same waterOn the plane. For horizontal installation, the display screen should not be installed perpendicular to the horizontal plane, so that the two signal electrodes are one on the otherWhen there are bubbles in the pipe, the measurement will be seriously affected.During vertical installation: the direction of flow direction shall be vertically upward, and the direction of water flow shall also be vertically upward, instead of vertically downward.
2023-01-09
High pressure electromagnetic flowmeter is composed of high pressure electromagnetic flow sensor and intelligent converter produced with proprietary technology and special process. It is specially used to measure the volume flow of conductive liquid or liquid-solid two-phase medium such as mud, cement slurry and high-pressure water injection under high pressure conditions in geological, petroleum exploration and oilfield systems.Selection of Installation Environment for High Pressure Electromagnetic Flowmeter1. Keep away from equipment with strong electromagnetic field, such as large motor, large transformer, etc.2. The installation site shall be free from strong vibration and the pipeline shall be firmly fixed. The ambient temperature should not change much.3. The installation environment shall be convenient for installation and maintenance.4. The installation position shall ensure that the pipeline is always filled with the measured fluid.5. Select a place where the fluid flow pulse is small. That is, it should be far away from local resistance parts such as pumps, valves and elbows.6. When measuring two-phase (solid, liquid or gas, liquid) fluid, the place where phase separation is not easy to occur shall be selected.7. Negative pressure at the measuring position shall be avoided.8. The diameter or perimeter of the pipe to be side is easy to measure, and the ovality should be small. B. The distance L between the two poles is proportional to the average flow velocity of the fluid.Maintenance, repair and common troubleshooting of high-voltage electromagnetic flow meterThe flow of the converter is negative. 1. The direction indicator plug of the sensor is opposite to the flow direction of the fluid. 2. There is a reverse connection between X and Y or A and B in the junction box of the sensor. The converter outputs an excess range. 1. The flow measurement range value is less than the actual measurement value. 2. The fluid is not full of the pipe. 3. The excitation coil is open. The output signal fluctuates too much. 1. There is gas at the sensor electrode, which causes poor contact between the electrode and the medium. 2. There is sediment on the electrode. The output signal gradually drifts to zero. 1. Water enters the sensor and 2 electrodes are covered. Under standard conditions, the periodic cleaning cycle depends on the scaling rate, and the electrodes and measuring heads (measuring tubes) are cleaned.
2023-01-09
·Immersion sealing, can work in wet or underwater;·The radio frequency card technology is adopted, which is convenient for users to operate;·Pilot valve, free from scale and water pressure, more safe and reliable·Generally, IC card water meter adopts ball valve, and valve opening and closing are easily affected by scale and water pressure. The ball valve ball and the outer wall will produce scale when they are immersed in water for a long time, which will increase the friction resistance, thus affecting the on-off valve; When the water pressure increases, the resistance of the ball valve will also increase exponentially, which will have a great impact on the opening and closing of the valve;·The cork type working principle of the pilot valve is not affected by scale and water pressure;·The pilot operated electric control valve with magnetic and hydraulic combination technology has low power consumption, and the valve can be opened and closed reliably and stably under low pressure.·The base meter and valve adopt magnetic drive and special isolation seal design to solve the problem of dynamic seal and water leakage of ordinary IC card water meter.·The ball of the ball valve is directly connected with the motor, and is generally sealed with a rubber ring. Over time, it is easy to age and deform, resulting in water leakage; The base meter and valve of Longkang IC card water meter adopt magnetic drive, and the isolation layer is reinforced and sealed with copper shell. The maximum pressure resistance can reach 35kg, and there will be no water leakage;·Anti magnetic: When a magnetic object is close to the water meter, the water meter will automatically close the valve to prevent the magnetic object from interfering with the water meter metering;
2022-12-07
This product is a dual power supply system composed of a solar power distribution system and a battery powered electromagnetic flowmeter. Under the condition of solar energy, the solar power supply can achieve flow measurement, data wireless upload and flow control. In the absence of solar energy, the battery power supply system can complete flow measurement and data wireless upload. This system is especially suitable for flow measurement and flow control in oil fields without power supply.Product Functions and Features:The solar power distribution system has solar protection, over-current, over-voltage protection and other functions, which can ensure the long-term reliable use of solar panels and batteries.The self-developed solar power distribution system outputs two 12V low-noise power supplies, ensuring high-precision measurement of electromagnetic flowmeter. It is equipped with battery powered converter of our company, and can operate continuously for more than 14 days.The valve control and drive power in the embedded control valve can ensure reliable operation of the valve.The combination of the solar dual power supply flow measurement system and the solar power supply valve actuating system can realize the solar dual power supply flow control system, whose control flow setting value can be set remotely, and supports remote control of valve opening and closing.The wireless data transmission system supports 4G, NB, Zigbee wireless data transmission networks, and can transmit instantaneous flow, cumulative flow, alarm status and control parameters (specially customized).
2022-12-07
Remote electromagnetic flow meter is to add remote transmission module on the basis of electromagnetic flow meter to achieve the purpose of long-distance data transmission. The wireless remote electromagnetic flow meter produced by Shengda Water Meter has a variety of remote transmission modes: LORA, LORAWAN, NB-IOT, 4G, etc. Transmission distance: urban distance: 3-7km, rural distance: 10-15km.Each type of electromagnetic flow meter can be made to wireless remote flowmeter as customers’ request.Most commonly types are: carbon steel body magnetic flow meter, stainless steel electromagnetic water flow meter, battery powered electromagnetic flow meter, insertion type magnetic flow meter, irrigation use magnetic flow meter, etc.Features of Remote Monitoring Management Software SystemLORA/LORAWAN/NB-IOT/GSM/GPRS remote monitoring management software system is matched with battery powered electromagnetic flowmeter with remote transmission function. This system can not only realize the acceptance and storage of flowmeter data, but also realize the statistics and analysis of flow data, so that users can easily and timely control the water consumption of each flow measurement point in the area.They are widely used in various fields, such as urban water supply, sewage treatment, water conservancy projects, printing plants, food pharmaceutical plants, electroplating plants, mud pulp plants, chemical plants, etc.
2022-10-27
The wireless remote water meter solution based on LoRaWAN communication protocol and architecture is mainly composed of LoRaWAN IoT water meter and intelligent meter reading gateway. The intelligent water meter embedded with LoRa technology can be connected to the LoRaWAN network for communication. It has the function of receiving and storing water meter data, and can send real-time reports on the use of public facilities. By using LoRaWAN intelligent water meter solutions with low power consumption, wide coverage and high success rate of meter reading, Hangzhou Water Meter Co., Ltd. has successfully helped customers reduce costs and achieve intelligent public utility management.LoRaWAN intelligent water meter is an advanced intelligent water meter system integrating the new generation Internet of Things communication technology, intelligent meter sensor technology and computer network communication technology. It has the functions of data acquisition, data communication, data storage, data processing, remote monitoring, etc. It can complete the reading, checking, receiving, checking and controlling of meters, improve the punctuality of meter reading, provide accurate basis for water settlement, and monitor the water consumption of the whole region. The system provides the report function, which can be connected with the bank system to realize automatic payment, and can expand information management functions such as telephone voice/SMS/WeChat notification, third-party payment, information networking release and query. It effectively solves the problem of large meter reading workload and difficult charging for water supply management departments such as water supply companies, real estate companies and property management.
2022-10-27
Generally speaking, water meters with a nominal diameter of more than 50mm are called large-diameter water meters, which are also called industrial water meters. It is often used in farmland irrigation, rural contracted water plants, waterworks, industrial metering, sewage treatment, special use of fire water tanks, residential property, and other occasions.Main functional features of large caliber remote water meter:1.Flow performance: It is applicable to the measurement of extra large flow. Generally, the inner cavity of the large caliber water meter housing is equipped with a rectification function, which can effectively reduce the impact of elbow, T-tube, reducer, water filter, valve and other interference parts installed in front of the water meter on the measurement accuracy of the water meter, and the anti-interference performance reaches the highest level UO, DO.2. Safe use: The strong current power supply is physically isolated from the water meter, with high insulation strength to ensure safe use.3. High protection level: advanced copper sealing technology is adopted, and the overall protection level reaches IP68 to ensure that there is no moisture and fog on the surface.4.Measurement accuracy: the sensor is nonmagnetic and non-contact, and there is no inaccurate reading caused by external magnetic interference. The electronic reading device will not affect the measurement accuracy of the original instrument.5. Long service life: the low power consumption design is adopted, and the collection equipment only supplies power for a short time during reading. The working time of the electronic unit is short, and the service life of the electronic unit is far longer than the mandatory inspection cycle of the water meter specified by the state.6. Accurate reading: infrared photoelectric transmission sampling is adopted, which is not affected by ambient light, has no mechanical contact and mechanical action, and is not affected by vibration caused by pipes or other factors, resulting in reading errors. The real-time reading value is completely consistent with the mechanical indication.
2022-10-27
The electromagnetic water meter has the characteristics of high measurement accuracy, wide range, and no damage due to overloading. It is suitable for water metering with large flow and large instantaneous flow change, and can better solve the problems existing in mechanical water meter metering.The working principle of an electromagnetic water meter is the same as that of the electromagnetic flowmeter, both of which are based on Faraday's electromagnetic induction law. The electromagnetic water meter adopts a specially designed sensor excitation system and a high-performance lithium battery power supply system and uses an embedded ultra micro power processor with full digital signal processing function. Its main performance features are:(1) It is designed with low power consumption and is powered by a built-in 3.6V lithium battery. The excitation current is ≤ 20 mA. It can work continuously for 5~10a and it is convenient to replace the battery.(2) With an automatic two-way measurement function, it can display instantaneous flow, flow rate, pressure, positive and negative cumulative total, battery power, etc.(3) There are no movable and resistance parts in the measuring pipe, no winding, blocking, no pressure loss, and it can work continuously for a long time.(4) The measuring range is wide, the measuring range of velocity is 0~15m/s, and the measuring accuracy is high (± 1.0%).(5) The measurement is stable, and the measurement accuracy is not affected by the change of physical parameters such as temperature, pressure, accuracy, and density of the measured medium.(6) It has the functions of pulse output, RS485 interface, and GPRS/4G wireless data remote transmission (supporting GSM, GPRS, and CDMA).(7) With the data saving function: more than 1000 groups of flow data can be saved, and the data storage time can be set and queried arbitrarily according to requirements.As for the application benefits of the electromagnetic water meter, let's give an example to illustrate:Due to the need for building infrastructure water, two DN80 mechanical water meters were installed for metering in a residential area. The water used is temporary building water, and the water supply is still difficult to meet the user's requirements. There are many complaints. Due to the large change in instantaneous flow, the water meter is frequently damaged, and the water meter has to be replaced once every three months on average. The maintenance cost is very high. Later, a DN100 battery-powered electromagnetic water meter was used to replace two DN80 mechanical water meters, a significant increase in water sales.
2022-10-27
Electromagnetic flowmeter is widely used in petroleum, chemical industry, metallurgy, textile, food, pharmaceutical, paper, and other industries, as well as environmental protection, municipal management, water conservancy construction, and other fields. According to customers’ request, we can make wireless remote transmission as Lora/LoraWan/NB/4G, etc.Precautions before installation of explosion-proof converter:1、First make the signal line and the excitation line through the processed gasket (the size of the outer diameter 26, the inner hole 5, the thickness of 3mm) center hole, and the gasket fell flat to take over the bottom plane2、Use a canvas to block the gap between the center hole of the gasket and then inject a height of about 25mm of epoxy resin in the connector and connect it to the safety cutout (circular circuit board) to make the safety cutout on the surface of the epoxy glue3、In the connector continue to inject epoxy glue, to ensure safety cutout the epoxy resin under the height of not less than 20mm (in the case not affect the assembly, inject more glue to improve safety)Installation requirements:1. Flow direction must be the same direction as marked on the meter.2. Make sure the meter is full of pipe.3. Straight pipe at inlet and outlet are 5 times DN and 2 times DN.4. Avoid negative pressure.5. The instrument is far away from strong magnetic fields, such as large transformers, large motors, high voltage lines, and other places.If the tested medium pipeline is a plastic or metal pipeline with a protective layer and anticorrosion layer, the sensor must install a grounding electrode or grounding ring!!!Generally, a grounding device should be installed, and the grounding wire should be more than 4 mm2 copper wire. The grounding resistance is preferably less than 10 ohms.Installation of electromagnetic flowmeter on a metal pipe: there is no insulation coating on the inner and outer walls of the metal pipe.