Emerson Flow Meter CMF400
Emerson quality flow meter CMF400 input/output signals
Key words:
input
frequency
channel
digital
Classification:
Rosemount flow meter
MANUALS & GUIDES ：
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Detailed introduction
Here are the key features of the Emerson Micro Motion CMF400 Coriolis Flow Meter, tailored for high-capacity, high-accuracy applications:
Exceptional Accuracy: ±0.10% of rate standard for liquids, with an optional upgrade to ±0.05%. Gas flow accuracy is ±0.35% of rate.
Density Measurement: Accurate to ±0.0005 g/cm³ standard, with an optional ±0.0002 g/cm³ for critical applications.
Zero Stability: 40.91 kg/h, ensuring reliable low-flow performance.
Smart Meter Verification: Built-in diagnostics verify meter performance without interrupting the process—ideal for reducing calibration costs.
Multivariable Output: Simultaneous measurement of mass flow, volume flow, density, and temperature.
Robust Construction: 316L stainless steel body with options for C-22 and super duplex alloys, suitable for corrosive and high-pressure environments.
Wide Operating Range: Handles cryogenic to high-temperature fluids (–240°C to 350°C) and pressures up to 6,000 psig.
Global Certifications: SIL2/3, ATEX, IECEx, NEPSI, CSA—ready for hazardous and safety-critical environments.
| Parameter | Specification |
|---|---|
| Sensor Type | Coriolis Mass Flow Meter |
| Line Size | 4–6 inch (DN100–DN150) |
| Material Options | 316L SS, C-22 Alloy, Super Duplex |
| Mass Flow Accuracy (Liquid) | ±0.10% standard, ±0.05% optional |
| Gas Flow Accuracy | ±0.35% of rate |
| Density Accuracy | ±0.0005 g/cm³ standard, ±0.0002 g/cm³ optional |
| Zero Stability | 40.91 kg/h |
| Temperature Range | –240°C to 350°C (–400°F to 662°F) |
| Pressure Rating | Up to 6,000 psig (414 barg) |
| Certifications | SIL2/3, ATEX, IECEx, NEPSI, CSA, etc. |
| Diagnostics | Smart Meter Verification (SMV) |
| Outputs | Mass, Volume, Density, Temperature |
| Mounting Orientation | Horizontal or vertical |
| Compatible Transmitters | 5700, 2700, 2400S series |
FAQ for the Emerson Micro Motion CMF400 Coriolis Flow Meter, tailored to technical users and instrumentation professionals like you:
Frequently Asked Questions – CMF400
1. What is the CMF400 used for?
It’s designed for high-accuracy mass flow, volume flow, density, and temperature measurement in demanding industrial applications—especially in oil & gas, chemical, and food & beverage sectors.
2. What fluids can it measure?
It handles liquids, gases, and slurries—including corrosive and high-viscosity fluids—thanks to its robust construction and multivariable sensing.
3. What’s the difference between CMF400 and other ELITE models?
The CMF400 is optimized for larger line sizes (4–6 inch) and high-capacity flow, offering superior zero stability and optional ultra-high accuracy.
4. Can it be used in hazardous areas?
Yes. It’s certified for use in hazardous environments with approvals like ATEX, IECEx, NEPSI, CSA, and SIL2/3 for safety-critical applications.
5. What is Smart Meter Verification (SMV)?
SMV is an onboard diagnostic tool that verifies meter performance without interrupting the process—ideal for reducing calibration downtime and ensuring compliance.
6. What transmitters are compatible?
It pairs with 5700, 2700, and 2400S transmitters, supporting protocols like HART, FOUNDATION Fieldbus, and Modbus.
7. How is it installed?
It can be mounted horizontally or vertically. Emerson provides detailed installation manuals and quick-start guides for proper orientation, grounding, and wiring
.
8. What’s the maintenance requirement?
Minimal. With no moving parts and built-in diagnostics, it’s designed for long-term reliability. Periodic SMV checks are recommended.
9. Can it handle cryogenic or high-temperature fluids?
Absolutely. It operates from –240°C to 350°C, making it suitable for extreme process conditions.
10. Where can I find manuals and documentation?
You can access the for installation, wiring, and configuration details.
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