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Endress Hauser Coriolis Flow Meter: Multi-Variable Mass and Density Monitoring
Quick Answer: Endress Hauser Coriolis flow meters output mass flow, fluid density, and temperature in real time from one sensor. This multi-variable data removes the need for separate instruments. Silver Automation Instruments supplies metering solutions with the same multi-variable capability for projects in Southeast Asia, the Middle East, Oceania, and Latin America. Send us your pipe size, flow range, pressure, and temperature to get a direct price comparison.
What Multi-Variable Output Means on a Coriolis Meter
An Endress Hauser Promass F or E series Coriolis meter measures mass flow directly. Because the measuring tubes oscillate at their natural frequency, the sensor detects mass flow through phase shift and fluid density through frequency change. A built-in PT100 RTD captures media temperature. These three variables arrive on a single pair of wires via 4-20 mA HART, Modbus RS485, or EtherNet/IP. One meter replaces a separate mass flow transmitter, a density meter, and a temperature probe. Most engineers skip the multiple flange connections and just install one DN25 or DN50 Coriolis between the pump and the reactor.
In practice, the output looks like this: mass flow 0 to 12 000 kg/h, density 0.8 to 1.5 g/cm3, temperature 15 to 140 degree C. The transmitter calculates derived values such as volume flow at reference conditions or concentration of a binary mixture. This is how a sugar refinery in Thailand monitors Brix and mass balance on a single HART loop. They use neither a separate refractometer nor an external density meter. We have seen this on customer sites many times. One Promass 83F carried the load for ten years until the display backlight faded.
Why Process Engineers and Buyers Prefer Multi-Variable Coriolis Meters
Fewer penetrations mean fewer leak paths. In a chemical batch plant, each nozzle costs money and needs a gasket and a weld inspection. A single DN40 Coriolis handles mass totalizing, density trend, and reactor temperature in one location. The purchase order becomes simpler too. You specify one tag number, one set of process connections, one 24 V DC power supply. Silver Instruments has quoted similar setups for biodiesel plants in Malaysia and a paint manufacturer in Brazil. They all wanted to reduce the installed cost per measuring point.
Here is the thing: spare parts and wiring also shrink. A single cable from the sensor to the remote transmitter cuts installation hours. Fieldbus options like Profibus PA carry all three process values plus diagnostic data to the DCS. The multi-variable approach is not just a convenience. It is a hard matter of reducing cabinet space and I/O card channels. So even a 10-person SME water treatment company can control backwash cycles with one meter, not three.
Common Industrial Applications for Mass and Density Monitoring
Oil and gas terminals use multi-variable Coriolis meters for custody transfer of bunker fuel. They need mass flow according to the bill of lading and density for energy content calculation. A receiving terminal in Durban measures heavy fuel oil at 380 cSt and 55 degree C with a Promass F DN80. The same density signal detects product interface during line pigging. No need for a capacitance density probe.
Desalination plants in the Middle East monitor brine density to control the reverse osmosis recovery rate. A DN15 Coriolis meter with Hastelloy C-22 wetted parts sits on the concentrate line and sends density at 1.03 to 1.08 kg/L back to the PLC. Silver Automation Instruments recently shipped such a meter to a SWRO plant in Jeddah. We preconfigured the 4-20 mA output for density range an
The food and beverage sector uses the concentration measurement feature. A dairy in New Zealand measures milk solids non-fat via density and temperature. A fruit juice blender in Argentina uses multi-variable Coriolis to control the ratio of concentrate and water. Because the meter reads mass flow and density simultaneously, the batch stays on spec without grab samples. The CIP cycle runs up to 95 degree C and the meter body withstands the thermal shock. That durability matters when production runs 24 hours.
What Silver Automation Instruments Supplies as an Alternative
Our Coriolis mass flow meters deliver the same three variables: mass flow, density, and temperature. We cover pipe sizes from DN3 to DN200. Standard accuracy reaches plus or minus 0.1 percent of rate for liquids. Density accuracy is plus or minus 0.0005 g/cm3 over a range of 0.5 to 2.0 g/cm3. Process connections include tri-clamp, flange ANSI 150 to 600, and threaded options. Wetted materials range from 316L stainless steel to Hastelloy C-22. Electronic outputs cover 4-20 mA HART, pulse, Modbus RTU, and optional Profibus DP. Certificates available include ATEX Zone 1, IECEx, and SIL 2. We keep the operation straightforward. No nested menus that take 15 clicks to set the pulse width. Just a clean menu tree and a printed quick start guide in English, Spanish, or Portuguese.
A customer in Vietnam needed to replace a leaky Promass 80F on a heating oil circuit. They sent us the pipe size (DN50), pressure (16 bar), temperature (90 degree C), and flow range (0 to 18 000 kg/h). We quoted a direct replacement with identical process face-to-face length and 4-20 mA HART. The unit shipped from Nanjing via air freight and landed in Ho Chi Minh City in 8 days. The total cost came in about 35 percent below the list price of the original brand. The plant technician commissioned the meter on a Saturday morning and called our WhatsApp support line once to confirm the zero calibration step. That is the kind of support we give to SME buyers who do not have a dedicated instrument engineer on site.
Get your own quote. Send us your pressure (bar), temperature (degree C), pipe size (DN), and flow range. Also mention the fluid, viscosity in cP if you know it, and the required signal output. We reply with a datasheet, a dimensional drawing, and a firm price within one working day.
Frequently Asked Questions
Does the Silver Instruments Coriolis meter measure density and temperature?
Yes. All our Coriolis models output mass flow, density, and temperature as standard. No extra modules are needed.
What is the smallest flow range you can handle?
The DN2 model measures as low as 0 to 50 kg/h for liquids. This works well for pilot plants and dosing skids.
Can you supply meters for hazardous areas?
Yes. We offer ATEX Zone 1 and Zone 2 certifications. The sensor can be used in gas groups IIB and IIC.
How does your pricing compare to Endress Hauser Promass?
Most direct replacements cost 30 to 40 percent less than the list price of an equivalent Promass series. We share a transparent price breakdown when you send your process parameters.
What is the delivery time to Saudi Arabia or Australia?
Standard models ship within 2-3 weeks by air freight. For urgent replacements, we have kept select DN25 and DN50 meters in stock and can dispatch in 5 working days.
Contact Silver Automation Instruments today:
Email: [email protected]
Tel: +86-135-1213-1526
WhatsApp: 86-135-12131526
WeChat: +86 13512131526
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