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Micro Motion Coriolis Flow Meter: Emerson Mass Measurement Specs
Quick Answer: Emerson Micro Motion coriolis meters deliver mass flow accuracy of ±0.10% of rate for liquids, with density measurement to ±0.0005 g/cm³. The sensor works regardless of fluid viscosity, conductivity, or pressure surges. Silver Automation Instruments supplies industrial coriolis flow meters matching these core mass measurement specs, targeting projects in Southeast Asia, Oceania, Latin America, Africa, and the Middle East. Send your pressure (bar), temperature (°C), pipe size (DN), and full flow range to [email protected] for a spec-matched quotation.
Mass Flow Accuracy and Turndown Ratio
Micro Motion ELITE and F series meters guarantee liquid mass accuracy of ±0.10% of rate. Gas accuracy sits at ±0.35%. The factory calibration covers a wide turndown, often 20:1 or higher. A single DN25 sensor can measure from 1 kg/h up to 1000 kg/h without swapping hardware. In practice, most engineers skip field recalibration because the zero point drifts less than 0.02% over several years. A chemical plant in Thailand ran a CMF series meter for six years and measured zero drift below 0.015%.
Built-in Density and Temperature Output
Every Micro Motion meter outputs live density and temperature alongside mass flow. Density accuracy reaches ±0.0005 g/cm³. This reading is essential for blending, phase separation, and concentration tracking. A PT100 sensor embedded in the flow tubes captures process temperature from -200 °C to 350 °C. Food and beverage plants use this dual output to verify Brix or sugar concentration directly from the coriolis transmitter, removing the need for extra instruments.
Output Signals and Communication
Standard outputs are 4-20 mA HART, RS-485 Modbus, and a configurable pulse. The pulse channel can scale up to 10 kHz, which is useful for custody transfer and batching. Because Emerson supports digital multidrop, one pair of wires carries mass flow, density, temperature, and drive gain. Silver Instruments coriolis designs also provide 4-20 mA HART and Modbus as standard. We ship each meter with a signal test log so your automation engineer can integrate it fast.
Line Sizes and Wetted Materials
Micro Motion meters cover DN3 to DN200. Wetted parts are typically 316L stainless steel or Hastelloy C-22 for aggressive chemicals. Flange ratings reach ASME 1500 or EN PN 160. For a seawater desalination plant in Oman, we supplied a DN15 316L meter rated to 100 bar. That unit matched Emerson CMF015M material and pressure specifications exactly. Pipe schedule and face finish were replicated within two working
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Hazardous Area Certifications
Emerson Micro Motion transmitters carry ATEX, IECEx, and CSA approvals for Zone 1 and Zone 2. Remote mounting with intrinsic safety barriers is typical for gas processing areas. Our technical team in Nanjing confirms SIL 2 suitability on request. If your site asks for ATEX Zone 1 or NEC 500 classification, mention this when you send your parameters to [email protected]. We include the certificate file with the quote package.
Silver Instruments Coriolis Alternative
Here is the thing. Not every application needs the Emerson nameplate on the sensor. Our industrial coriolis meters deliver the same measurement profile: ±0.10% mass accuracy, density to ±0.0005 g/cm³, 4-20 mA HART, and line sizes from DN3 to DN200. A paint manufacturer in Southeast Asia cut hardware cost by 40 percent by switching to Silver Instruments while keeping the original project schedule. We supply wet calibration reports, EN 10204 3.1 material certificates, and a three-year warranty. Talk to us via Tel: +86-135-1213-1526, WhatsApp: 86-135-12131526, or WeChat: +86 13512131526. You can also reach us at [email protected].
Frequently Asked Questions
What mass flow accuracy does a Micro Motion coriolis meter provide?
±0.10% of rate for liquids and ±0.35% for gases. Silver Instruments industrial coriolis flow meters match this spec with factory wet calibration and a test certificate.
Do I need a separate density meter for concentration measurement?
No. Both Emerson Micro Motion and Silver Instruments coriolis models output density at ±0.0005 g/cm³. The built-in PT100 handles real-time temperature compensation without external devices.
Can a DN15 coriolis meter handle viscous fluids up to 500 cP?
Yes. The Micro Motion design performs well with viscosity above 500 cP. A customer in Vietnam measured heavy fuel oil at 380 cP and achieved stable mass flow readings. We size the meter based on your actual viscosity data.
What output signals are standard on these meters?
4-20 mA HART, RS-485 Modbus, and scalable pulse up to 10 kHz. Silver Instruments includes a signal test report with every shipment so you can verify the output before field wiring.
How can I get a price for a coriolis meter with Emerson Micro Motion specs?
Send your pressure (bar), temperature (°C), pipe size (DN), and flow range to [email protected]. We return a datasheet and quotation within 24 hours. Phone: +86-135-1213-1526, WhatsApp: 86-135-12131526, WeChat: +86 13512131526.
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