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Rosemount 8800D Vortex Flow Meter Product Introduction
1. Product Overview
The Rosemount™ 8800D Vortex Flow Meter is a high-performance flow measurement device designed for industrial applications requiring precise monitoring of liquids, gases, and steam. Engineered by Emerson, it combines advanced vortex-shedding technology with robust construction to deliver reliability in harsh environments. Its modular design supports customization for diverse process conditions, including high-temperature and high-pressure scenarios.
Key features include:
Multi-Variable Capability: Optional temperature compensation (MTA) enhances accuracy for steam and gas applications.
HART® Protocol Integration: Enables seamless communication with control systems for real-time configuration and diagnostics
Wide Measurement Range: Covers flow rates from 0 to 10,000 m³/h.
High Accuracy: ±0.65% for liquids and ±1.35% for gases/steam (improved to ±1.00% and ±1.50% for 6-inch and larger models).
2. Technical Specifications
2.1 Performance Parameters
Flow Range: 0-10,000 m³/h (adjustable based on pipe size).
Accuracy:
Liquids: ±0.65% of reading.
Gases/Steam: ±1.35% (standard); ±1.00% for 6-inch and larger models.
Operating Temperature: -200°C to 427°C, suitable for cryogenic and high-heat applications.
Pressure Rating: 1-10,000 MPa, accommodating extreme process conditions.
Pipe Sizes: 15-300 mm nominal diameter.
2.2 Material Compatibility
Wetted Materials: Stainless steel, Hastelloy®, and other alloys for corrosive media
Electronics Housing: IP66/IP67-rated enclosure for dust and moisture resistance.
2.3 Communication & Outputs
HART 7 Protocol: Supports remote configuration via HART communicators (e.g., 475 Field Communicator)
Analog Output: 4-20 mA with optional pulse/frequency output for totalization.
LCD Display: Local readout for flow rate, diagnostics, and process variables
3. Working Principle
The 8800D utilizes the von Kármán vortex street principle:
A bluff body (vortex shedder) is placed in the flow path, generating alternating vortices downstream.
The vortex frequency is proportional to flow velocity, measured by piezoelectric sensors.
Advanced DSP (Digital Signal Processing) filters noise and optimizes signal stability.
Key advantages of this design:
No moving parts, reducing wear and maintenance.
Immune to viscosity changes in liquids.
Suitable for pulsating flows.
| Parameter | Details |
| Model | Rosemount 8800D Series Vortex Flowmeter |
| Measurement Range | 0-10,000 m³/h (depends on pipe size) |
| Accuracy | - Liquid volumetric flow: ±0.65% (uncompensated) - Gas/steam volumetric flow: ±1% (uncompensated) - Steam mass flow (temp-compensated): ±2% |
| Turndown Ratio | 38:1 |
| Pipe Sizes | - Flanged: 1½" to 12" (40-300 mm) - Reducer™: 2" to 14" (50-350 mm) |
| Process Media | Liquids, gases, steam |
| Output Options | - 4-20 mA HART® 5/7 - Foundation™ Fieldbus - Adjustable pulse output |
| Materials of Construction | - Stainless steel: 316/316L, CF3M - Hastelloy: C-22, CW2M - Carbon steel: A105, WCB, LF2, LCC |
| Pressure Rating | ANSI Class 150-900; DIN PN 10-160; JIS 10K-40K |
| Temperature Range | - Operating: -200°C to 427°C (-330°F to 800°F) |
| Diagnostics | - Adaptive Digital Signal Processing (ADSP) for vibration immunity - Device diagnostics and in-situ verification |
| Installation Types | Clamp-on, flanged, dual-sensor, Reducer™, high-pressure designs |
| Certifications | HART®, Foundation Fieldbus |
| Special Features | - Replaceable sensor without breaking process seal - Integrated temperature compensation for steam - No seals/gaskets (full-welded design) |
4. Installation Guidelines
4.1 Mechanical Installation
Pipe Alignment:
Horizontal installation is preferred, ensuring concentric alignment with pipeline axes.
Minimum straight pipe requirements: 20D upstream and 5D downstream (D = pipe diameter).
Orientation:
For liquids: Vertical upward flow ensures air-free operation.
For gases/steam: Vertical downward installation prevents condensate accumulation
Grounding: Independent grounding to avoid electrical interference; avoid sharing with power systems.
4.2 Environmental Considerations
Avoid vibration-prone areas and extreme temperatures.
Use bypass valves and isolation valves for maintenance without process interruption.
4.3 Hazardous Area Compliance
Certified for use in explosive atmospheres (ATEX, IECEx).
Adherence to national safety standards for intrinsic safety (IS) and flameproof (Ex d) installations.
5. Configuration & Commissioning
5.1 Basic Setup
Tag Configuration: Assign a unique identifier via HART tools
Process Variables: Define primary (PV) and secondary variables (e.g., mass flow, temperature)
Damping Adjustment: Optimize response time (0.5-32 seconds) for noisy signals.
5.2 Advanced Features
Low-Flow Cutoff: Eliminates erroneous readings below a user-defined threshold
K-Factor Calibration: Field-adjustable for calibration without hardware changes.
Diagnostics: Continuous monitoring of signal strength, sensor health, and process anomalies
6. Applications
The 8800D is ideal for:
Oil & Gas: Custody transfer of natural gas, LNG, and condensates.
Chemical Processing: Corrosive fluid measurement with alloy-compatible wetted parts.
Power Generation: Steam flow monitoring in boilers and turbines.
Water/Wastewater: High-accuracy dosing and distribution.
7. Maintenance & Troubleshooting
7.1 Routine Checks
Sensor Inspection: Verify piezoelectric element integrity; avoid mechanical shock during handling.
Parameter Validation: Periodically review signal strength, volume flow, and low-flow settings.
Gasket Replacement: Ensure leak-free seals during reassembly
7.2 Diagnostics
LCD Alerts: Real-time error codes for sensor faults, signal loss, or out-of-spec conditions
HART Diagnostics: Access detailed logs via Device Description (DD) files
7.3 Common Issues & Solutions
Zero Flow Reading: Check for pipe blockages or improper grounding.
Signal Noise: Increase damping or verify straight-pipe requirements.
8. Certifications & Compliance
Safety Standards: ATEX, IECEx, FM, CSA.
Environmental Ratings: NEMA 4X, IP66/67.
Industry Compliance: API, ISO 9001.
9. Advantages Over Competitors
Extended Turndown Ratio: 20:1 for broad operational flexibility.
Temperature Compensation: MTA option enhances steam measurement accuracy.
Modular Design: Easy upgrades (e.g., adding temperature sensors) without full replacement
10. Conclusion
The Rosemount 8800D Vortex Flow Meter sets a benchmark for reliability and precision in flow measurement. Its adaptability to diverse media, robust construction, and advanced diagnostics make it a preferred choice for industries demanding high-performance instrumentation. For detailed specifications, refer to Emerson's official documentation.
Company Advantages of KeRui (WeiFang) Automation Equipment Co., Ltd.
KeRui (WeiFang) Automation Equipment Co., Ltd. is a leading manufacturer and innovator in industrial automation solutions, specializing in pressure transmitters, flowmeters, handheld communicators, valve positioners, and related instrumentation. With decades of expertise and a global reputation for quality, we are committed to delivering cutting-edge products tailored to meet diverse industrial demands. Below are our core competitive advantages:
1. Advanced Technology & Precision Engineering
High-Accuracy Pressure Transmitters: Our pressure transmitters achieve ±0.075% reference accuracy (digital) and ±0.1% (analog), ensuring reliable measurements even in extreme conditions (-40°C to 150°C). Leveraging 18-bit ADC technology, they minimize environmental temperature drift for long-term stability. Smart Flowmeters: Our variable area flowmeters (e.g., ZYZZ series) feature geomagnetic compensation, LCDs, and Exd II CT6 explosion-proof certification, suitable for hazardous environments like oil & gas and chemical plants.Valve Positioners with Auto-Calibration: Equipped with Foundation Fieldbus protocol compatibility, our valve positioners enable automatic zero/span adjustment and reduce commissioning time by 50%, ensuring optimal control loop performance
2. Robust Quality Control & Certifications
ISO 9001 & API Compliance: Adhering to ISO 9001:2015 and API standards, we implement rigorous quality checks from raw material selection to final testing. Durable Construction: Products feature 316L stainless steel, PTFE/PFA coatings, and IP67/IP68 protection, ensuring corrosion resistance and longevity in harsh environments. Global Certifications: Our devices meet ATEX/IECEx, SIL 2/3, and NAMUR NE 21/43 standards, making them compatible with international safety and regulatory requirements
3. Customization & Versatility
Tailored Solutions: We offer custom sensor matching (e.g., RTD, thermocouple) and output signal customization (4-20mA, HART, PROFIBUS) to align with specific application needs Wide Application Coverage: Products are designed for industries including oil & gas, water treatment, chemical processing, and HVAC systems, with flowmeters supporting flow rates from 20Nm³/h to 5000Nm³/h Multi-Function Handheld Communators: Our handheld devices provide intuitive configuration, real-time diagnostics, and PID control integration, streamlining field operations.
4. Innovation & R&D Excellence
In-House R&D Team: With 6+ dedicated engineers, we continuously innovate in materials (e.g., H-alloy sensors) and software (e.g., predictive maintenance algorithms).Smart Features: Products integrate self-diagnostic alerts (e.g., sensor drift detection) and IoT readiness, enabling seamless integration into Industry 4.0 systems.
5. Efficient Production & Global Service
Large-Scale Manufacturing: Operating 7 production bases with 5,000+ annual capacity, we ensure fast delivery and cost-effectiveness Comprehensive Support: Our 51% localized overseas teams provide 24/7 technical assistance, onsite training, and spare parts supply Warranty & Traceability: All products come with a 1-year warranty and full lifecycle traceability, backed by digital documentation for easy maintenance.
6. Sustainable & User-Centric Design
Energy Efficiency: Devices like low-power flowmeters (3.6V lithium battery option) reduce operational costs
Ergonomic Interfaces: Features like dual-indication displays (LCD + analog) and WAGO spring-clamp terminals simplify installation and reduce downtime.
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