Product Description
Rosemount 8732E Magnetic Flowmeter Transmitter: Comprehensive Technical Overview
1. Product Introduction
The Rosemount 8732E Magnetic Flowmeter Transmitter is a high-precision, versatile device designed for industrial flow measurement applications. Manufactured by Emerson Process Management, it integrates advanced diagnostics, robust construction, and flexible compatibility to deliver reliable performance in demanding environments such as chemical processing, water treatment, and oil and gas
Its dual-chamber, explosion-proof design ensures compliance with international safety standards (e.g., NEMA 4X/IP66), making it suitable for hazardous areas.
Detailed Photos
2. Key Features & Specifications
2.1 Measurement Performance
Accuracy:
0.15% of flow rate at a 13:1 turndown ratio.
0.25% at a 40:1 turndown ratio, enabling precise measurement across varying flow conditions
Flow Range: Measures velocities from 0.01 to 12 m/s (0.04-39 ft/s) for both forward and reverse flows
Conductivity Requirement: Operates with fluids having a minimum conductivity of 5 µS/cm
2.2 Advanced Diagnostics
Self-Monitoring Capabilities:
Grounding/Wiring Fault Detection
Coil and Transmitter Failure Alerts
Tunable Empty Pipe Detection
High Process Noise Diagnostics
Calibration Verification (8714i)
PlantWeb™ Integration: Supports digital factory ecosystems (e.g., FOUNDATION fieldbus, HART) for predictive maintenance and real-time data analytics
Product Parameters
| Parameter |
Specification |
| Power Supply |
90-250 V AC (±10%, 50-60 Hz) or 12-42 V DC |
| Power Consumption |
Max 10 W (AC); Max 15 W (DC) |
| Surge Current |
35.7 A (250 V AC, <5 ms); 42 A (42 V DC, <5 ms) |
| Low-Power Option |
Reduces coil current to 75 mA (DC only), limiting accuracy to 1% for energy-scarce sites |
| Operating Temp |
-50°C to 60°C (without display); -20°C to 60°C (with display) |
| Ingress Protection |
IP66/NEMA 4X (dust-tight, resistant to water jets) |
2.4 Outputs & Communication
Analog Output: 4-20 mA with HART® 7 communication (supports 250 Ω load)
Pulse/Frequency Output: Configurable up to 10,000 Hz for totalized flow
Digital I/O:
Programmable for reverse flow, zero flow, empty pipe, or fault indicators
Supports Modbus RS-485 for network integration
3. Design & Usability
Local Operator Interface (LOI):
Backlit, two-line 16-character display with photoelectric switches for safe operation in hazardous areas (no need to open covers)
Security Features:
Display Lock: Disables accidental configuration changes via a 10-second hold on the optical switch
Safety Lock Switch: Prevents unauthorized HART/LOI access
Modular Construction:
Dual-compartment housing isolates electronics from wiring, enhancing durability in corrosive or humid environments
Sealed O-ring design protects against moisture and contaminants
4. Compatibility & Integration
Sensor Compatibility:
Works natively with Rosemount sensors (8705, 8707, 8711, 8721, 570™)
Universally compatible with AC/DC-powered sensors from other manufacturers (e.g., Endress+Hauser, Krohne)
Installation Flexibility:
Supports integral (direct sensor mounting) or remote (up to 150 m separation) configurations
5. Applications
Ideal for:
Aggressive Fluids: Acids, alkalis, slurries, and sanitary liquids (food/pharma)
Challenging Environments: High-humidity, explosive atmospheres (ATEX/IECEx certified), and areas requiring EMI/RFI immunity
Critical Processes: Custody transfer, leak detection, and batch control where diagnostic reliability is paramount
6. Certifications & Compliance
Safety: ATEX, IECEx, FM, CSA
EMC: IEC 61000-4-4 (burst), IEC 61000-4-5 (surge)
Industry Standards: NAMUR NE21, SIL 2/3 (optional)
7. Advantages Over Competitors
Diagnostic Depth: Unlike conventional flowmeters, its tunable diagnostics (e.g., adjustable empty pipe thresholds) reduce false alarms
Energy Efficiency: Low-power DC option extends battery life in remote installations
Future-Proofing: HART 7 and Modbus support seamless integration into IIoT platforms
Conclusion
The Rosemount 8732E sets a benchmark for intelligent flow measurement with its blend of precision, resilience, and diagnostic sophistication. Its adaptability across sensors, environments, and communication protocols makes it a cornerstone for modern industrial automation. For detailed wiring diagrams or configuration steps, refer to Emerson's official manuals .
Company Profile
KeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales,technical services, and supporting equipment supply of specialized companies. The main products are flow meters, level meters,temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
Packaging & Shipping
The packaging and transportation of instrumentation in global trade hinges on a synergy of advanced materials, rigorous testing, regulatory compliance, and smart logistics. By adopting hybrid structural designs, leveraging real-time monitoring technologies, and prioritizing sustainability, exporters can ensure the safe, efficient, and cost-effective delivery of precision instruments. Continuous innovation in materials science and IoT integration will further redefine industry standards, enhancing resilience in an increasingly interconnected market.
FAQ
Q: How long will you give me the reply?
A: We will reply to you as soon as we see the information.
Q: What is the delivery time?
A: Our delivery time is within 3-7 days after we get your payment;
for large qty mass orders, the time should be confirmed again for you.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package.
Q: How about the payment terms?
A: You can choose T/T.
Q: Do you provide samples?
A: Yes, we have materials in stock to help you to get the samples as soon as we can.
Q: What is the MOQ?
A:1PC.
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.
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