Electromagnetic Flow Meters | Kaifeng XinYa Instrument

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Product Catalog Hierarchy

H1: Electromagnetic Flow Meters & IoT Solutions

H2: Industrial Electromagnetic Flow Meters

H3: SF-E Standard Electromagnetic Flow Meter

• Application: General industrial fluid measurement for conductive liquids
• Key Features: ±0.2% accuracy, DN15-DN3000 pipe diameter range, bidirectional measurement
• Output Signals: 4-20mA, frequency, pulse
• Protection Rating: IP68 (sensor), IP65/IP66/IP67 (converter)
• Configuration: Integral or split type deployment
• Technical Advantage: Variable frequency bidirectional constant current excitation system with VFC conversion

H3: Battery-Powered Remote Flow Meter

• Application: Remote monitoring locations without power infrastructure
• Key Features: Long-term battery operation, IP68 submersible rating, 120-month data retention
• Connectivity: GPRS, RS485 wireless transmission
• Special Functions: Heat measurement via enthalpy calculation, automatic sleep mode
• Ideal For: Water distribution networks, remote pumping stations, off-grid installations

H3: Slurry Electromagnetic Flow Meter

• Application: High solid content fluids including pulp, coal slurry, mineral tailings
• Key Features: Wear-resistant linings (Polyurethane, PFA, Ceramics), variation restraint algorithm
• Special Design: Integrated grounding electrodes, cuspidal disturb suppression
• Lining Options: Ceramics (DN15-150), abrasion-resistant rubber compounds
• Technical Innovation: Spike signal filtering for stable measurement in abrasive environments

H3: SF-C Insertion Electromagnetic Flow Meter

• Application: Large-diameter pipelines (up to DN3000) for municipal and industrial use
• Key Features: Cost-effective installation, adjustable insertion depth, ball valve mounting
• Material: High-grade stainless steel construction
• Installation Benefit: Hot-tap capability without flow interruption
• Measurement Position: Configurable to half or quarter pipe diameter

H3: SF-W Food Safety Flow Meter

• Application: Food, beverage, pharmaceutical industries
• Key Features: Hygienic sanitary design, food-grade material compliance
• Standards: Food safety standard construction to prevent contamination
• Special Design: Anti-stagnation geometry for bacterial growth prevention

H2: IoT Monitoring Solutions

H3: Instrument IoT Big Data Platform

• Functionality: Centralized device management and real-time data analytics
• Data Visualization: 60-point historical curve tracking, 5-second default refresh rate
• Communication Protocols: RS485, RS232, HART, GPRS, Bluetooth, WiFi (STA/AP modes)
• Integration: RESTful API support via HTTP GET/POST with JSON format
• Platform Access: Web-based management at 124.95.128.250
• Security: Multi-level password protection (6 security grades)

H2: Products by Application

H3: Manufacturing Industry Solutions

• Automotive welding production line flow monitoring
• Electronics PCB and semiconductor fluid processing
• Food & beverage hygienic processing systems
• Machinery equipment coolant and lubricant measurement

H3: Energy & Chemical Solutions

• Oil & gas refining facility measurement
• Metals & mining tailings and slurry management
• Power plant cooling water and heat measurement
• Chemical processing corrosive fluid handling

H3: Municipal & Public Sector Solutions

• Water distribution network monitoring
• Heat measurement for district heating systems
• Wastewater treatment flow tracking
• Remote water resource management

Knowledge Center

H2: Technical Resources

H3: Electromagnetic Flow Meter Fundamentals

What is an Electromagnetic Flow Meter?
An electromagnetic flow meter measures conductive liquid flow based on Faraday's Law of Electromagnetic Induction. When conductive fluid passes through a magnetic field, an induced voltage proportional to flow velocity is generated between electrodes.

How Do Electromagnetic Flow Meters Work?
Square wave pulse excitation generates a stable magnetic field. The induced electromotive force is amplified via high-input-impedance circuits and converted to standard signals (4-20mA, pulse, frequency) through VFC technology.

H3: Selection Guide

Choosing the Right Electromagnetic Flow Meter

• Pipe Size: DN15 to DN3000 coverage - standard meters for DN15-DN1200, insertion type for larger diameters
• Fluid Properties: Conductivity >5μS/cm minimum, temperature range based on lining material
• Accuracy Requirements: ±0.5%, ±0.3%, or ±0.2% options available
• Installation Environment: IP68 for submersible, IP65-IP67 for standard industrial environments
• Power Availability: AC-powered for standard installations, battery-powered for remote locations

H3: Installation Best Practices

Pre-Installation Inspection

• Verify pipe diameter matches flowmeter nominal diameter (DN)
• Confirm flange standard compliance (GB/T9124.1-2019)
• Check grounding requirements for non-conductive pipes
• Ensure 10-minute preheating period before operation

Optimal Installation Positions

• Install in fully filled pipe sections to avoid empty pipe errors
• Maintain straight pipe runs: 5D upstream, 2D downstream minimum
• Mount with electrodes on horizontal plane to avoid air bubble interference
• Consider insertion depth for SF-C models (half or quarter diameter)

H3: Maintenance and Troubleshooting

Common Diagnostic Alerts

• Empty Pipe Alarm: Automatic detection when pipe is not fully filled
• Excitation Circuit Break: System detects coil continuity issues
• Flow Range Overflow: Signal exceeds configured measurement range

Maintenance Procedures

• Regular inspection of electrode surface condition
• Verification of grounding electrode continuity
• Communication module connection checks (RS485/GPRS)
• Factory-calibrated circuit board replacement for accuracy preservation

H3: Accuracy and Performance

Measurement Accuracy Specifications

• Standard accuracy: ±0.5% (general industrial applications)
• High accuracy: ±0.3% (process control requirements)
• Precision accuracy: ±0.2% (custody transfer and critical processes)
• Velocity range: 0.1 to 10 m/s
• Repeatability: Superior to ±0.1%

Factors Affecting Accuracy

• Fluid conductivity (minimum 5μS/cm)
• Flow profile development (straight pipe requirements)
• Electrode fouling or coating
• Ambient electromagnetic interference
• Process temperature variations

H3: Comparison Content

Electromagnetic vs. Ultrasonic Flow Meters
| Feature | Electromagnetic | Ultrasonic |
|---------|----------------|------------|
| Fluid requirement | Conductive liquids | Any liquid |
| Accuracy | ±0.2%-±0.5% | ±0.5%-±2% |
| Pressure drop | None (no obstruction) | None (non-contact) |
| Installation | Inline mounting | Clamp-on or inline |
| Cost | Moderate | Higher for inline type |
| Best for | Conductive process fluids | Clean water, hydrocarbons |

Integral vs. Split Type Configuration

• Integral Type: Sensor and converter combined in single housing - compact for space-limited installations
• Split Type: Separate sensor and converter with cable connection - ideal for harsh environments or remote display requirements

H2: Industry Applications

H3: Water & Wastewater Management

Battery-powered meters deployed in remote water distribution networks enable 120-month historical data retention with GPRS connectivity for centralized monitoring across municipal infrastructure.

H3: Mining & Minerals Processing

Slurry meters with polyurethane linings and spike suppression algorithms maintain stable measurement in coal-water slurry applications despite high solid-grain friction and abrasive conditions.

H3: Food & Pharmaceutical Production

SF-W sanitary design meters comply with food safety standards, preventing fluid stagnation and bacterial growth in hygienic processing environments.

H2: FAQ - Frequently Asked Questions

Q: What is the minimum conductivity required for electromagnetic flow meters?
A: The fluid must have a minimum conductivity of 5μS/cm. This includes most water-based solutions, acids, alkalis, and slurries. Pure water, hydrocarbons, and gases cannot be measured.

Q: Can electromagnetic flow meters measure bidirectional flow?
A: Yes, all Kaifeng XinYa electromagnetic flow meters feature automatic bidirectional measurement capability, tracking both forward and reverse flow with separate accumulation registers.

Q: How long do battery-powered flow meters operate without replacement?
A: Battery life depends on measurement frequency and communication intervals. With optimized sleep mode operation, meters can function for multiple years. The system stores 120 months of accumulated data internally.

Q: What maintenance is required for electromagnetic flow meters?
A: Minimal maintenance is required. Periodic checks include electrode cleaning, grounding verification, and communication module inspection. Factory-calibrated replacement boards maintain accuracy without field recalibration.

Q: Can meters be installed in submerged locations?
A: Yes, sensors rated IP68 can be installed in submerged environments up to 3 meters water depth. This is ideal for underground vaults and submersible pump stations.

Q: How are slurry meters protected from wear?
A: Slurry-specific models feature wear-resistant linings (Polyurethane, PFA, or Ceramics) and implement variation restraint algorithms to filter interference from solid particle impacts on electrodes.

Q: What communication protocols are supported?
A: Standard protocols include RS485, RS232, HART, MODBUS-RTU. Wireless options include GPRS, Bluetooth, and WiFi (STA/AP modes). The IoT platform accepts RESTful API calls with JSON formatting.

Q: What is the typical installation requirement for straight pipe runs?
A: Minimum requirements are 5 times pipe diameter (5D) upstream and 2 times pipe diameter (2D) downstream to ensure fully developed flow profiles for accurate measurement.

About Kaifeng XinYa Instrument Co., Ltd.

H2: Company Overview

Corporate Profile
Kaifeng XinYa Instrument Co., Ltd. is an industrial instrumentation and IoT solutions provider specializing in high-precision electromagnetic flow measurement systems integrated with cloud-based big data platforms.

Headquarters Location
No.1, Ba Qing Wu Road, Jinming Avenue, South Section
Kaifeng Demonstration Area, Henan, China

Business Coverage
Global industrial markets requiring high-precision fluid measurement and IoT monitoring solutions across manufacturing, energy, municipal, and food safety sectors.

H2: Certifications & Standards Compliance

Industry Standards

• JB/T 9248-2015: Electromagnetic Flowmeter Execution Standard
• GB/T 9124.1-2019: Steel Pipe Flanges Standard
• CJ128-2007: Heat Measurement Calculation Standard
• MODBUS-RTU: International Protocol Compliance

Protection Ratings

• IP68: Sensor units (submersible up to 3 meters)
• IP65/IP66/IP67: Converter units (dust-tight and water-resistant)

H2: Development Milestones

2023

• August: Released SF-W Food Safety Electromagnetic Flowmeter manual (2nd edition), emphasizing hygienic design standards

2024

• August: Published SF-E Electromagnetic Flowmeter and Battery-Powered series manuals (1st edition), introducing optimized low-power electronics

2026

• April: Scheduled release of advanced Slurry Electromagnetic Flowmeter documentation focusing on high-abrasion resistance technology

H2: Technical Innovation

Proprietary Technology

• Variable frequency bidirectional constant current drive systems for excitation coils
• High-input-impedance amplification with VFC (Voltage-to-Frequency Conversion)
• Square wave pulse excitation for power efficiency and zero-point stability
• Variation restraint algorithms for cuspidal disturb suppression in slurry measurement
• Energy recovery systems in excitation circuits to reduce power consumption

Platform Capabilities

• Instrument IoT Big Data Platform for centralized device management
• Real-time data analytics with 60-point historical curve tracking
• Multi-protocol communication support (RS485, RS232, HART, GPRS, Bluetooth, WiFi)
• RESTful API integration for third-party system connectivity

Contact Us

H2: Get in Touch

Primary Contact Information

• Email: xinya@sytcflowmeter.com
• Phone: +86 371-23668496
• WhatsApp: +86 15137867592
• Fax: +86 371-23668496

IoT Platform Access

• Web Platform: 124.95.128.250
• Protocol Support: HTTP GET/POST with JSON data format

Business Inquiries
For product selection assistance, technical specifications, custom engineering requirements, or quotation requests, please contact our team with your application details including pipe diameter, fluid properties, and installation environment.

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Products

• Electromagnetic Flow Meters
  • SF-E Standard Flow Meter
  • Battery-Powered Remote Meter
  • Slurry Flow Meter
  • SF-C Insertion Meter
  • SF-W Food Safety Meter
• IoT Solutions
  • Big Data Platform
  • Remote Monitoring Systems

Solutions by Industry

• Manufacturing
• Energy & Chemicals
• Municipal & Public Sector
• Food & Pharmaceutical

Knowledge Center

• Technical Fundamentals
• Selection Guide
• Installation Best Practices
• Maintenance & Troubleshooting
• FAQ

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• Certifications
• Development History
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Standards Compliance: JB/T 9248-2015 | GB/T 9124.1-2019 | IP68 Rated | MODBUS-RTU Compatible

https://www.sytcflowmeter.com/
Kaifeng Xinya Instrument Co., Ltd.