8750W Industrial-Grade 3-4 Inch Water Meter for Accurate Flow Measurement
The Rosemount 8750W is a high-performance electromagnetic flow meter designed for precise measurement of conductive liquids in industrial and municipal applications. Engineered for 3–4 inch pipelines, it delivers reliable, maintenance-free operation with advanced diagnostics and real-time digital display. Ideal for water treatment, chemical processing, and utility monitoring, the 8750W ensures accurate flow data and seamless integration into control systems.
Electromagnetic Flow Meter Specification Comparison (3–4 Inch Class)
| Feature / Model |
Rosemount 8750W |
Siemens MAG 5100W |
Yokogawa AXF |
ABB FSM4000 |
| Pipe Size Range |
3–4 inch (DN80–DN100) |
DN25–DN1200 |
DN25–DN400 |
DN25–DN2000 |
| Accuracy |
±0.25% of rate |
±0.25% of rate |
±0.35% of rate |
±0.4% of rate |
| Repeatability |
±0.1% |
±0.1% |
±0.1% |
±0.2% |
| Output Signals |
4–20 mA, HART, Modbus, Fieldbus, EtherNet/IP |
4–20 mA, HART, Profibus, Modbus |
4–20 mA, HART, Fieldbus |
4–20 mA, HART, Profibus, Modbus |
| Ingress Protection |
IP68 (sensor), IP67 (transmitter) |
IP68 |
IP67/IP68 |
IP67/IP68 |
| Liner Materials |
PTFE, PFA, Polyurethane |
Hard rubber (NBR), Ebonite, EPDM |
PTFE, PFA |
PTFE, PFA, Hard rubber |
| Electrode Options |
SS316L, Hastelloy, Platinum, Titanium |
Stainless steel, Hastelloy |
Replaceable electrodes (SS, Hastelloy) |
SS, Hastelloy, Platinum |
| Certifications |
NSF, UL, CE, Drinking Water |
WRAS, MCERTS, NSF |
CE, RoHS |
CE, ATEX, IECEx |
| Diagnostics |
SMART Meter Verification, Process Diagnostics |
Advanced diagnostics |
Dual frequency excitation diagnostics |
Self-diagnostics, Easy setup |
| Mounting Style |
Flanged, remote/integral transmitter |
Flanged, remote/integral transmitter |
Flanged, remote/integral transmitter |
Flanged, remote/integral transmitter |
| Typical Applications |
Water, wastewater, utilities |
Municipal water, irrigation |
Slurries, chemical, water |
Heavy-duty industrial, water, slurry |
Application Overview
The Rosemount 8750W electromagnetic flow meter is engineered for accurate and reliable flow measurement of conductive liquids in mid-sized pipelines (3–4 inches). It is widely used in:
- Municipal Water Systems – for monitoring potable water distribution and consumption
- Wastewater Treatment Plants – for influent and effluent flow control
- Industrial Process Lines – including chemical dosing, cooling water, and slurry handling
- Food & Beverage Facilities – for hygienic water and liquid ingredient flow tracking
- Irrigation and Agricultural Systems – for precise water allocation and usage monitoring
With its robust construction, advanced diagnostics, and digital output options, the 8750W ensures seamless integration into SCADA and PLC systems, supporting both remote and local monitoring.
Frequently Asked Questions (FAQ)
Q1: What type of fluids can the 8750W measure?
A1: The 8750W is designed for conductive liquids such as water, wastewater, slurries, and chemical solutions. It is not suitable for non-conductive fluids like oil or pure hydrocarbons.
Q2: What pipe sizes does the 8750W support?
A2: This model supports a wide range of pipe sizes, including 3–4 inch (DN80–DN100), making it ideal for mid-scale industrial and municipal applications.
Q3: What is the accuracy of the 8750W flow meter?
A3: It offers ±0.25% of rate accuracy under standard operating conditions, with high repeatability and stability.
Q4: What output signals are available?
A4: The 8750W supports 4–20 mA, HART, Modbus, Foundation Fieldbus, and EtherNet/IP for seamless integration with control systems.
Q5: Can the 8750W be used in submerged or outdoor environments?
A5: Yes. The sensor is rated IP68, and the transmitter is IP67, allowing installation in harsh or submerged conditions.
Q6: What liner and electrode materials are available?
A6: Common liner options include PTFE, PFA, and polyurethane. Electrode materials include stainless steel, Hastelloy, platinum, and titanium.
Q7: Does the 8750W support remote monitoring?
A7: Yes. It offers remote and integral transmitter configurations, with digital display and diagnostics for real-time monitoring.
Q8: Is the 8750W certified for drinking water applications?
A8: Yes. It complies with NSF and other relevant standards for potable water systems.
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