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Headquarters
5th floor,Building 4,Singapore Hangzhou Science Technology Park,No. 6 street,
Hangzhou Economic Development Area,Hangzhou 310018,China
Singapore
2 Venture Drive #11-30 Vision Exchange Singapore
info@supmea.com
www.supmea.com
Supmea Automation Co.,Ltd.
User's Manual
Turbine Flowmeter
U-LWGY-SUP-EN2
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Table of Contents
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Summary of Contents for SUPMEA U-LWGY-SUP-EN2
- Page 1 User's Manual Turbine Flowmeter Headquarters 5th floor,Building 4,Singapore Hangzhou Science Technology Park,No. 6 street, Hangzhou Economic Development Area,Hangzhou 310018,China Singapore 2 Venture Drive #11-30 Vision Exchange Singapore info@supmea.com www.supmea.com U-LWGY-SUP-EN2 Supmea Automation Co.,Ltd.
- Page 2 We try our best to guarantee that the manual content is accurate, if you find something wrong or incorrect, please contact us. The content of this manual is strictly prohibited from reprinting or copying. Version U-LWGY-SUP-EN2...
- Page 3 Confirm the contents of the package Please confirm the product and accessories after unpacking. Once the product is wrong, the quantity is wrong or there is a problem in appearance, please contact our company. Product List Serial number Item Name Quantity Turbine Flowmeter Manual...
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Page 4: Table Of Contents
Contents Chapter 1 Overview......................1 Chapter 2 Working Principle.................... 2 Chapter 3 Main Technical Parameters................3 Chapter 4 Structure And Installation................4 4.1. structure......................4 4.2. Installation......................6 Chapter 5 Flow meter operation method..............10 5.1. Turbine flow sensor..................10 5.2. Turbine flow meter with local display............11 5.3. -
Page 5: Chapter 1 Overview
The flow meter is suitable for liquids that do not corrode stainless steel 304, 2Cr13, corundum (Al2O3), cemented carbide, etc., and are free of impurities such as fibers and particles. If the user needs a special type of flow meter, it can be supplied by agreement. www.supmea.com... -
Page 6: Chapter 2 Working Principle
The relationship between the meter coefficient and instantaneous flow, frequency, pulse number, and cumulative total is: K=f/Q and K=N/V In the formula: f—flow signal frequency (Hz) Q—instantaneous flow rate (m3/s, or /L/s) N—pulse number V—Total volume (m3) K—Meter coefficient(1/m3 or 1/L) www.supmea.com... -
Page 7: Chapter 3 Main Technical Parameters
/s, the meter should be calibrated in real liquid and used according to the new meter coefficient. Medium temperature (-20~＋120)℃ Environmental Ambient temperature：(-20~＋60)℃ conditions Relative humidity：5%～90% Atmospheric pressure (86~106)kPa Power supply 3.6V、12VDC、24VDC Output signal Pulse signal, (4~20)mA current signal, Modbus communication Ingress Protection IP65 www.supmea.com... -
Page 8: Chapter 4 Structure And Installation
Figure 1 to Figure 5. Figure 2 LWGY-4 ~ 10G filter Figure 1 LWGY-4~10G flow meter structure and installation dimensions Figure 4 LWGY DN15~DN200 flow meter Figure 3 LWGYDN15~DN100 flow meter structure and installation dimensions structure and installation dimensions www.supmea.com... - Page 9 Figure 6 to Figure 10, and the installation dimensions of the flow meter are shown in Tables 1-2. Figure 6 Partial dimensions of Figure 7 Partial dimensions of LWGY-1 LWGY-2/34 converter (24V powered converter(Battery powered local display) local display) www.supmea.com...
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Page 10: Installation
(4) In order not to affect the normal delivery of liquid during maintenance, a bypass pipeline should be installed at the place where the flow meter is installed (Figure 10). www.supmea.com... - Page 11 0.6～6 / 0.3～6 Thread 0.8~8 Thread Thread 1～10 / 0.5～10 Flange Clamp Thread 1.5~15 Flange Thread 2～20 / 1～20 Flange Clamp Live Flange 4～40 / 2～40 Flange Clamp 8～80 / 4～80 Flange Live Flange 10～100 / 5～100 Flange Clamp www.supmea.com...
- Page 12 Φ18 Φ118 Φ195 Φ160 Φ18 Φ103 Φ104 Φ200 Φ120 Φ121 Φ127 Φ128.6 Φ220 Φ180 Φ18 Φ122 Φ123 Φ235 Φ190 Φ22 Φ149 Φ150 Φ157 Φ158.6 Φ300 Φ250 Φ26 Φ178 Φ179 Φ203 Φ204 Φ216 Φ217.5 Φ340 Φ295 Φ22 Φ266 Φ259 Φ260 www.supmea.com...
- Page 13 Chapter 5 Structure And Installation Table 2 Flow meter installation dimensions (height) Installation The height of different converters H (mm) Diameter(mm) Type and Battery powered pressure local display Without display Local display www.supmea.com...
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Page 14: Chapter 5 Flow Meter Operation Method
Power failure record function can record the total power failure time. Number of power outages and power-on time. Output current: 4~20mA, 0~10mA; external power supply: 24V DC, 12V DC, optional RS485 communication interface. Dimensions: 160×80×125 or 80×160×125. Display instrument: used for liquid quantitative filling or batching control, basic www.supmea.com... -
Page 15: Turbine Flow Meter With Local Display
Press the left button to shift or scroll; press the middle button to scroll ; Press the right button to confirm and save the corresponding parameters and exit the parameter setting interface. www.supmea.com... - Page 16 ② Clear the reed pipe. (Optional for this function) The unit of accumulated pulse equivalent is L/P. The bar code on the right side of the LCD simulates the instantaneous flow rate, and each bar represents 10% of the instantaneous flow rate. www.supmea.com...
- Page 17 Second frequency Parameter Setting parameters default description level symbol The coefficient corresponding to Calibration factor 2 100.000 frequency Fr2 Calibration frequency 750.000 Third frequency The coefficient corresponding to Calibration factor 3 100.000 frequency Fr3 Calibration factor 4 1000.00 Fourth frequency www.supmea.com...
- Page 18 Calibration factor 8 100.000 frequency Fr8 Note: Frequency points 1~8 are arranged in order from small to large. When the CP value is "0", items 13~28 are not displayed, (4) Wiring instructions LWGY-□□□□1 battery-powered turbine flow meter LWGY-□□□□2/3/4 Turbine Flow meter www.supmea.com...
- Page 19 F_V- is connected to the negative pole of the power supply, and Fout is connected to the pulse signal; When there is a sampling resistor inside the system, F_V+ is connected to the www.supmea.com...
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Page 20: Turbine Flow Meter Without Display
K2 to decrease the current. It will automatically exit the adjustment mode if there is no operation for 1 minute. *Note: The current has been adjusted before the product is sold, please do not adjust it at will; www.supmea.com... - Page 21 Chapter 5 Flow meter operation method Figure 16 Schematic diagram of external wiring Ground 24V power supply+ 24V power supply 485 Communication A 485 communication B Figure 17 Schematic diagram of internal wiring diagram www.supmea.com...
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Page 22: Chapter 6 Maintenance And Overhaul
(6) The transmission cable of the flow meter can be laid overhead or buried (the iron pipe should be covered when buried). The cable length is 10m when the product leaves the factory. www.supmea.com... -
Page 23: Possible Failures Of The Flow Meter And Solutions
7. The sensor cable shielding layer take shielding measures or other grounding wires are 6. Replace the guide or disconnected from the line impeller shaft grounding wire or have poor 7. Check the wiring contact 8. Overhaul display 8. Display instrument failure instrument www.supmea.com... -
Page 24: Chapter 7 Warranty & After-Sales Service
We promise to deal with the customer's technical questions within 2 hours. For the instruments returned to the factory for maintenance, we promise to issue the test results within 3 working days and the maintenance results within 7 working days after receiving them. www.supmea.com... -
Page 25: Chapter 8 Communication
Address(1) + Function code(1)+ Data (0-252)+ CRC check(1). Time sequence The idle interval of at least 3.5character time distinguishes the message frame, which is tentatively set as a fixed time 100ms to determine the beginning of the data frame. www.supmea.com... -
Page 26: Function Code Definition
Instantaneous flow float Cumulative flow float Turbine frequency float Upper limit of flow float (range) Lower limit of flow float Unit Char Unit comparison table : Table 7 Unit code Unit Unit code Unit m3/s kg/h m3/h kg/s www.supmea.com... -
Page 27: Example
（2）40003-40004 ：40 07 EA D2 2.12371 Cumulative flow. （3）40005-40006 ：00 00 00 000.000 Turbine frequency. （4）40007-40008 ：42 C8 00 00 100 m3/s Upper limit of flow. （5）40009-40010 ：3A 83 12 6F 0.001 m3/s Lower limit of flow. （6）40011：00m3/s unit. www.supmea.com...
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