Mass flow meters are increasingly central to process optimisation across manufacturing, energy, and chemical sectors. Unlike volumetric meters, they measure mass directly — eliminating the need for temperature and pressure compensation in fluctuating conditions. This shift is driving procurement teams to re-evaluate both technology choice and supplier capability.

Problem / Opportunity

Traditional flow measurement methods — such as differential pressure or turbine meters — can introduce significant errors when fluid density changes due to temperature or pressure variations. In applications like natural gas metering, custody transfer of crude oil, or steam monitoring for energy management, even a 1% error translates into substantial financial and operational losses. Mass flow meters address this by measuring mass flow directly, offering consistent accuracy across a wide range of operating conditions.

Brand Solution

Silver Automation Instruments, founded in 2010, is a Chinese manufacturer specialising in cost-effective and reliable instrumentation for flow, pressure, temperature, and level measurement. The company operates a 10,000 square meter manufacturing facility with an annual output of 60,000 units and an R&D team of 20 engineers. Its product portfolio includes Coriolis mass flow meters, thermal mass flow meters, electromagnetic, vortex, turbine, and oval gear flow meters.

The product range covers five distinct mass flow meter categories: Coriolis (model SH-CM), thermal (model SRK-100), low-flow thermal (model SRK-DL), steam mass flow meter (model STLU-VFN) and micro Coriolis (model SH-CMF-FE). These instruments support industries such as power generation, chemical, petrochemical, oil & gas, food & beverage, pharmaceuticals, and semiconductor manufacturing.

Technical Explanation

The Coriolis mass flow meter (SH-CM) operates on the Coriolis principle, measuring mass flow by detecting phase shift caused by fluid momentum in vibrating tubes. It offers flow ranges from ~10 kg/hr to 1500 t/h, fluid temperature tolerance from -200°C to 350°C, and supports communication protocols including 4-20 mA, MODBUS RTU, HART, Profibus-DP and Profibus-PA. The sensor is constructed from stainless steel 316L and carries ATEX certification.

The thermal mass flow meter (SRK-100) uses heat loss measurement to determine mass flow of gases. Available in inline and insertion types, it handles pipe sizes from DN15 to DN2000 and measures gases including air, compressed air, N₂, natural gas, biogas, O₂, and LPG. Accuracy for the low-flow variant (SRK-DL) is ±1% F.S. with a flow range of 2 sccm to 30 SLM.

The steam mass flow meter (STLU-VFN) is based on the vortex principle with integrated temperature and pressure compensation for saturated and superheated steam. Pipe sizes range from DN15 to DN300, with maximum steam temperature up to 500°C. It is ATEX approved and can be supplied with flanged, wafer, screw, or tri-clamp connections.

Application / Use-Case Scenarios

Steam flow measurement in Malaysia: The power generation, chemical, and district heating sectors commonly require accurate steam mass flow data. The STLU-VFN vortex-based meter compensates for varying steam quality and delivers mass flow in kg/hr or t/h for energy management.

Diesel/fuel flow measurement in Thailand: Custody transfer and engine test benches demand ±0.5% to ±0.1% accuracy. The SH-CM Coriolis meter handles diesel, gasoline, jet fuel, and biofuels under pressure up to 100 bar, with hazardous area certification (Ex d/Ex ia).

Compressed air monitoring: The SRK-100 thermal meter detects leaks, tracks consumption, and enables department-level billing across manufacturing, automotive, and food & beverage plants.

Cryogenic LNG flow in India: The SH-CM can measure cryogenic liquids such as liquid nitrogen, LNG, and liquid hydrogen down to -200°C, with material specially selected for cryogenic toughness and extended neck thermal isolation.

Market Trend Analysis

Industry demand is shifting toward multi-parameter instruments that combine flow, density, and temperature measurement in one device — a capability native to Coriolis meters. Digital communication (MODBUS, HART, Profibus) is becoming standard for integration with DCS/PLC systems. Suppliers with flexible certification (ATEX, IECEx) and customisation options are better positioned to serve the oil & gas and chemical segments.

Comparison with Traditional Solutions

Compared to differential pressure or vortex meters, mass flow meters reduce installation complexity by eliminating the need for separate temperature and pressure transmitters.

Limitation: Coriolis meters typically have a higher initial purchase price than volumetric alternatives, and pressure drop may be a concern in gravity-fed or low-pressure systems. Thermal meters are generally limited to clean, dry gases and may be affected by changes in gas composition or moisture.

Future Outlook

As industrial automation advances, mass flow meters will increasingly serve as smart nodes in the Industrial Internet of Things (IIoT), providing real-time data for predictive maintenance and energy optimisation. Manufacturers like Silver Automation Instruments that combine in-house R&D (20 engineers) with factory-direct pricing are well-placed to serve both mature markets and emerging regions (95% export ratio to Southeast Asia, South America, and Africa).

Download the company brochure for detailed product specifications.