Factory Wholesale Price Electromagnetic Water Meter Can Be Used for Monitoring Wastewater/ Corrosive Chemical Liquids/Oil DN15-DN300
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Product Highlights
- High Measurement Accuracy: Eliminates mechanical wear and deviation, ensuring precise flow measurement for both high and low rates.
- No Mechanical Wear: No gears or pistons used, providing longer service life and better long-term stability with minimal wear.
- Strong Corrosion Resistance: Made from stainless steel or plastic, suitable for corrosive liquids, oil, and wastewater environments.
- Smart Monitoring Features: Supports remote reading, real-time data monitoring, and leakage alarms via 4G/NB-IoT or RS485.
- No Pressure Loss: Measurement method is unaffected by fluid, causing no pressure loss compared to mechanical meters.
- High Accuracy at Low Flow: Maintains high accuracy even at low flow rates, ideal for monitoring small water consumption.
- Customizable Support: Offers OEM, ODM, and OBM services with customizable flow rates, nominal diameters, and communication modes.
- 1-Year Warranty: Provides a comprehensive 1-year warranty for single jet electromagnetic water meters.
Product Attributes
- Customization
- Available
- After-sales Service
- We Provide a 1-Year Warranty for Our Single Jet
- Warranty
- 1 Year
- Model NO.
- DN150
- Install
- Horizontal
- Medium Temperature
- Cold Water
- Level Measurement
- B
- Counter Instructions
- Digital and Analogue
- Nominal Diameter
- 15-50mm
- Application
- Civil, Industrial
- Principle
- Volumetric Meter
- Medium Pressure
- General Water Meter
- Work Environment
- Electromagnetic Water Meter
- Stucture
- Traditional
- Communication Mode
- Downlink: RS485
- Ratio Range
- R160-R400
- Customized Support
- OEM,ODM,Obm
- Flow Rate
- Custom-Made
- Nominal Diameter (mm)
- DN40-DN300
- Installation
- Horizontal
- Connection
- Flange
- Feature
- High Performance
- Starting Flow Velocity
- 5mm/S
- Q4/Q3
- 1.25
- Transport Package
- Wooden Box
- Specification
- Customized
- Trademark
- Rongxian
- Origin
- China
- Package Size
- 31.00cm * 31.00cm * 39.00cm
- Package Gross Weight
- 30.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description





Electromagnetic water meters use electromagnetic principles to measure flow, eliminating the wear and deviation of mechanical parts, thus providing high measurement accuracy. They are especially suitable for accurately measuring both high and low flow rates.
2,No Mechanical Wear
Since electromagnetic water meters do not rely on mechanical components (such as gears or pistons) for measurement, they have a longer service life and better long-term stability with minimal wear.
3,Strong Adaptability
Electromagnetic water meters can adapt to different types of water quality, especially maintaining good measurement performance in water with impurities (such as sediment, scale, etc.).
4,No Pressure Loss
The measurement method of electromagnetic water meters is unaffected by the fluid, meaning they do not cause pressure loss. Compared to mechanical meters, they are more efficient in measuring flow rates.
5,High Accuracy at Low Flow Rates
Electromagnetic water meters maintain high accuracy even at low flow rates, giving them a distinct advantage in accurately monitoring small water consumption.
6,Strong Corrosion Resistance
The bodies of electromagnetic water meters are often made from stainless steel, plastic, or other corrosion-resistant materials, making them suitable for environments with poor water quality or corrosive conditions.
7,Smart Features
Modern electromagnetic water meters often come with smart features such as remote meter reading, real-time data monitoring, leakage alarms, and more, improving management efficiency and monitoring capabilities.

Product Parameters | |
Type | Electromagnetic water |
Communication Mode | Uplink: 4G/NB-IoT Downlink: RS485 |
Ratio Range | R160-R400 |
warranty | 1 year |
place of origin | Shandong,China |
customized support | OEM,ODM,OBM |
brand name | Rongxian |
Flow Rate | Custom-made |
Nominal Diameter (mm) | DN40-DN300 |
Installation | Horizontal |
Connection | Flange |
Feature | High Performance |
Application | Industrial settings, pipelines, water treatment plants |
Technical Specifications of Electromagnetic Water Meter | |||||||||
R Value | Flow Rate | Nominal Diameter DN | |||||||
(m³/h) | 40 | 50 | 80 | 100 | 150 | 200 | 250 | 300 | |
160 | Q4 | 31.3 | 50 | 125 | 200 | 500 | 787.5 | 1250 | 2000 |
Q3 | 25 | 40 | 100 | 160 | 400 | 630 | 1000 | 16000 | |
Q2 | 0.25 | 0.4 | 1 | 1.6 | 4 | 6.3 | 10 | 16 | |
Q1 | 0.16 | 0.25 | 0.63 | 1 | 2.5 | 3.94 | 6.25 | 10 | |
250 | Q4 | 31.3 | 50 | 125 | 200 | 500 | 787.5 | 1250 | 2000 |
Q3 | 25 | 40 | 100 | 160 | 400 | 630 | 1000 | 16000 | |
Q2 | 0.16 | 0.256 | 0.64 | 1.02 | 2.56 | 4.03 | 6.4 | 10.24 | |
Q1 | 0.1 | 0.16 | 0.4 | 0.64 | 1.6 | 2.52 | 4 | 6.4 | |
400 | Q4 | 31.3 | 50 | 125 | 200 | 500 | 787.5 | 1250 | 2000 |
Q3 | 25 | 40 | 100 | 160 | 400 | 630 | 1000 | 16000 | |
Q2 | 0.1 | 0.16 | 0.4 | 0.64 | 1.6 | 2.52 | 4 | 6.4 | |
Q1 | 0.063 | 0.1 | 0.25 | 0.4 | 1 | 1.58 | 2.52 | 4 | |
Starting Flow Velocity | 5mm/s | ||||||||
Accuracy Class | Class 1 | ·For Q1 ≤ Q < Q2, the maximum permissible error is ±3%. | |||||||
·For Q2 ≤ Q ≤ Q4, the maximum permissible error is ±1%. | |||||||||
Class 2 | ·For Q1 ≤ Q < Q2, the maximum permissible error is ±5%. | ||||||||
·For Q2 ≤ Q ≤ Q4, the maximum permissible error is ±2%. | |||||||||
Q4/Q3 | 1.25 | ||||||||
Q2/Q1 | 1.6 | ||||||||
Size diagram of electromagnetic water meters from DN40 to DN300: | |||||||||
Nominal Diameter- DN(mm) | H | H1 | H2 | H3 | L | D | K | ||
(mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | N -Ø d | ||
40 | 336 | 266 | 352 | 282 | 200 | 150 | 110 | 4-Ø18 | |
50 | 355 | 272 | 371 | 288 | 200 | 165 | 125 | 4-Ø18 | |
80 | 380 | 285 | 396 | 301 | 200 | 200 | 160 | 8-Ø18 | |
100 | 394 | 294 | 410 | 310 | 250 | 220 | 180 | 8-Ø18 | |
150 | 454 | 317 | 471 | 333 | 300 | 285 | 240 | 8-Ø22 | |
200 | 494 | 329 | 510 | 345 | 350 | 340 | 295 | 8-Ø22 | |
250 | 551 | 359 | 567 | 375 | 450 | 395 | 350 | 12-Ø22 | |
300 | 602 | 385 | 618 | 401 | 500 | 445 | 400 | 12-Ø22 | |
Note: The flange specification for the electromagnetic water meters of the above diameters is PN10. Other flange specifications need to be customized. | |||||||||









About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI2551894". Items marked "" are certified.
Company Profile
Shandong Rongxian Instrument Technology Co., Ltd. Was established in 2016 and is located in Linyi, a national innovative city, situated at the intersection of the Yangtze River Delta Economic Circle and the Bohai Rim Economic Circle. It also serves as a leading city in the South Shandong Economic Belt. Leveraging its geographical advantages and R&D capabilities, the company has grown into a leading technology enterprise in the remote meter reading and energy management industry, relying on its profound industry experience, technological innovation, and the "Smart Energy Management Platform. "
The company pursues steady development and standardized management. It has obtained ISO9001 Quality Management, ISO9001 Environmental Management, CE certification, OIML-49 certification, Information Security Management, Intellectual Property Standardization, and AAA Credit Rating certification. Its smart electricity meters and smart water meters have acquired Measurement Instrument Pattern Approval certificates and inspection reports, establishing the company's product ecosystem.
Innovation and adaptability drive the healthy development of Shandong Rongxian. The company boasts a team of outstanding professional technical talents and has built a multi-level software and hardware platform covering professional manufacturing, measurement, energy efficiency analysis, and cloud platforms. This has laid the foundation for the company's talent resource ecosystem. It has obtained 16 utility model patents, 2 design patents, and 1 invention patent, and has been recognized as a High-Tech Enterprise and a Technology-Based Enterprise in Shandong Province.
The company adheres to a comprehensive 6S management system and pursues excellence in quality. Quality control covers the entire process of product design, supplier management, product manufacturing, and after-sales service, and a product operation quality information database has been established. The final assembly production line, high-temperature aging chamber, and error calibration devices strictly follow the "6S" production site management model.
From a strategic perspective, the company defines its development direction as a specialized and systematic provider of products and services focused on remote meter reading and energy management equipment and software. It develops channel partnerships, focusing on product R&D, production quality control, and technical services. The company is committed to winning mutually beneficial partnerships through competitive pricing advantages, high-end product quality, leading technological strengths, and long-term, continuous service.
Business Scope (General Projects):
Manufacture of instruments and meters; Manufacture of smart instruments and meters; R&D of IoT technology; Sales of smart instruments and meters; Software development; Manufacture of building decorations, plumbing parts, and other metal building products; Manufacture of plastic products; Sales of plastic products; Sales of instruments and meters; Grain cultivation; Vegetable cultivation; Horticultural product cultivation; Grain sales; Horticultural product sales; Crop straw process
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Linyi, Shandong, China
-
Plant Area
- 12000 square meters
-
Number of Employees
- 31
-
Registered Capital
- 35,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1pc
-
Supply Chain Partners
- 141
Our Production Capability & Technical Expertise
-
Main Products
- Electronic Remote Water Meter, Smart Card Meter, Energy Meter, Ultrasonic Water Meter, NB IoT Water Meter, Three-Phase Prepaid Electricity Meter, Single-Phase Prepaid Water Meter
-
Production Lines
- 7
-
Production Machines
- LS-3B Water Meter Calibration Device, LS-4B Large-Diameter Water Meter Calibration Device, CH-1100 Automatic Gluing Machine, SYZ Hot Water Flow Standard Device, Production Assembly Line, FML-GX20 Laser Marking Machine, Rapid Aging Screening System, Meter Detection Instrument
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2016-05-23
-
Export Year
- 2 years
-
Main Markets
- Domestic, Central Asia
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 8
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001, ISO45001:2018, Others
-
Cooperated with Fortune 500
- No
FAQ
- Can I have a sample order for the product?
- Yes, we welcome sample orders to test and check quality. Mixed samples are acceptable.
- Do you have any MOQ limit for product orders?
- We have a low MOQ limit. 1pc is available for sample checking.
- Can I request to change the form of packaging and transportation?
- Yes, we can change the form of packaging and transportation according to your request, but you have to bear the costs incurred during this period and the spreads.
- Can I request to advance the shipment?
- It depends on whether there is sufficient inventory in our warehouse.
- Can I have my own logo on the product?
- Yes, you can send us your drawing and we can make your logo, but you have to bear the cost.
- Can you produce the products according to my own drawings?
- Yes, we can produce the products according to your drawings that will satisfy you.
- What is the warranty period for the electromagnetic water meter?
- We provide a 1-year warranty for our single jet electromagnetic water meters.
- What communication modes are supported?
- The meter supports Uplink: 4G/NB-IoT and Downlink: RS485 communication modes.
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