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Coriolis Mass Flow Meter Certification and Selection: 2026 Technical Guide

Author: HTNXT-Steven Walker-Instruments & Meters Release time: 2026-07-07 17:09:48 View number: 173

Silver Automation Instruments, a Nanjing-based manufacturer founded in 2010, produces Coriolis mass flow meters, thermal mass flow meters, and related process instruments for global industrial applications. As procurement teams evaluate mass flow meters for critical processes, certification compliance, technical parameters, and total cost of ownership emerge as decisive factors.

Problem / Opportunity

Industrial buyers selecting a coriolis mass flow meter for fluids such as crude oil, LNG, or high-viscosity syrups face a set of binding constraints: the instrument must carry recognized certifications (CE for EU, ATEX for hazardous zones, ISO9001 for quality), accommodate extreme temperatures and pressures, and deliver the required accuracy without inflating project budgets. The opportunity lies in identifying suppliers that combine certified quality with competitive pricing and fast delivery.

Brand Solution

Silver Automation Instruments addresses these constraints with its SH-CM Coriolis mass flow meter and SH-CMF-FE Micro Coriolis mass flow meter. The SH-CM is designed for pipe sizes from ~1 mm to 300 mm, covering flow rates from ~10 kg/h to 1500 t/h, with fluid temperature tolerance from –200 °C to 350 °C. It is ATEX certified (certificate number ECM 22 ATEX‑B 0S05 for Zone 2, issued by Ente Certificazione Maccine srl, and certificate number ICR/VC/HM251296 for Zone 2, issued by ICR), CE certified (certificate number 1N220422.SAIUW36 for the EU market), and manufactured under an ISO9001:2015 quality management system. The SH-CMF‑FE micro meter offers accuracy of ±0.25 % to ±0.5 % and a flow range of 40 g/h to 1000 kg/h, with the same ATEX and CE credentials.

Technical Explanation

Coriolis mass flow meters operate on the principle of measuring the Coriolis force induced by fluid flow through vibrating tubes. The SH-CM and SH-CMF‑FE directly measure mass flow rate, density, and temperature—eliminating the need for separate temperature and pressure compensation. Key technical parameters include:

  • SH-CM: Size ~1 mm–300 mm; flow ~10 kg/h–1500 t/h; temperature –200 °C to 350 °C; protection IP65; outputs 4‑20 mA, pulse, frequency, MODBUS RTU, HART, Profibus‑DP, Profibus‑PA.
  • SH-CMF‑FE: Flow 40 g/h–1000 kg/h; pressure rating 30 bar or 100 bar; outputs 4‑20 mA, 0–5 V, RS485/RS232; power 15 V or 24 V DC.

Application / Use‑Case Scenarios

Coriolis mass flow meters from Silver Automation Instruments have been deployed in demanding scenarios:

  • High-pressure nitrogen gas (700 bar): A client in Chile uses the SH-CM to measure nitrogen gas at ~700 bar, with stable operation for over three years.
  • High-viscosity syrup: A Thai manufacturer relies on the SH-CM to measure syrup mass flow with accuracy up to 0.1 %, simultaneously outputting density and volume flow.
  • Hot asphalt (≈250 °C): Two SH-CM units in Serbia measure high-temperature asphalt, featuring an insulation jacket to prevent solidification.
  • Cryogenic liquid oxygen (–183 °C): In India, three SH-CM meters monitor LOX flow with 0.2 %–0.5 % accuracy, operating for approximately ten years.
  • Chlorine gas: A Malaysian facility uses a tantalum-lined SH-CM for corrosive chlorine gas flow measurement.

Market Trend Analysis

Hazardous-area compliance (ATEX Zone 2) is increasingly a baseline requirement for mass flow meters in oil & gas, chemical, and pharmaceutical plants. Concurrently, buyers are shifting from exclusive reliance on premium brands (e.g., Micro Motion) toward certified alternatives that offer comparable accuracy at lower cost—a trend exemplified by Silver Automation Instruments’ delivery of 20 thermal mass flow meters for natural gas measurement in Brazil, with lead times of 5–7 working days.

Comparison with Traditional Solutions

Compared to thermal mass flow meters, Coriolis technology provides direct mass measurement independent of fluid properties and requires no straight-pipe sections, making it ideal for viscous or particulate-laden fluids. Against vortex or turbine meters, Coriolis offers higher accuracy (±0.1 %–0.5 %) and simultaneous density output. A limitation of Coriolis meters is that they typically introduce a higher pressure drop than thermal or vortex types, which must be considered in low-pressure applications.

Future Outlook

The evolution of digital communication protocols (Profibus, MODBUS, HART) and the expansion of Coriolis meters into ultra-low-temperature applications (LNG, liquid hydrogen) will continue to drive product development. Manufacturers that maintain multi‑standard certifications and offer factory-direct pricing are well positioned to serve the growing demand from Southeast Asia, South America, and Africa, where Silver Automation Instruments already exports 95 % of its output.

Frequently Asked Questions

What certifications does the SH-CM Coriolis mass flow meter hold?

The SH-CM is CE certified for the EU market (certificate number 1N220422.SAIUW36), ATEX certified for Zone 2 (certificates ECM 22 ATEX‑B 0S05 and ICR/VC/HM251296), and produced under ISO9001:2015.

What is the flow range and pressure rating of the SH-CMF‑FE micro Coriolis meter?

The SH-CMF‑FE covers 40 g/h to 1000 kg/h and is available with pressure ratings of 30 bar or 100 bar.

Which industries and fluids can the SH-CM handle?

The SH-CM is suitable for oil & gas, chemical, food & beverage, pharmaceutical, power generation, mining, pulp & paper, water treatment, marine, and semiconductor applications. It measures liquids, gases, high‑viscosity fluids, cryogenic fluids, and slurries.

What communication protocols does the SH-CM support?

It supports 4‑20 mA, pulse, frequency, MODBUS RTU, HART, Profibus‑DP, and Profibus‑PA.

How does the SH-CM compare to premium brands in terms of cost?

Clients report that the SH-CM can achieve comparable accuracy at a significantly lower price point—for example, one-fifth the cost of a Micro Motion unit in cryogenic oxygen measurement.