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Mass Flow Sensors

Mass Flow Sensors - red-y smart series

Vögtlin Instruments GmbH

  • Reliable and accurate thermal mass flow meters and controllers
  • Analog and digital interfaces (Modbus RTU standard)
  • Support for up to 10 different gases or gas mixtures
  • Free get red-y software for device management and visualization
  • Optional Industrial Ethernet and Profibus interfaces

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Description Vendor
  • The red-y smart series thermal mass flow meters and controllers are advanced devices designed for precise measurement and control of gas flow in various industrial applications. These instruments utilize high-precision MEMS technology (CMOS sensors) to ensure exceptional response characteristics and measuring accuracy.
  • They offer high accuracy with an error margin of up to ±0.3% of full scale + ±0.5% of reading, and a turndown ratio of 1:100, with extended ratios available upon request. The devices are equipped with both analog and digital interfaces (Modbus RTU), enabling seamless integration with control systems. They also feature a tightly sealed control valve with a leak rate of less than 1x10⁻⁶ mbar l/s He, ensuring safe and fast control.
  • The instruments are easy to service and maintain, have minimal pressure drop, and are calibrated with real gas to ensure high accuracy and reproducibility, traceable to the METAS standard. The red-y smart series supports up to 10 different gases or gas mixtures and is available with options such as Profibus, Industrial Ethernet (Profinet RT and EtherCAT), and a built-in display for flow rate, total, and measuring unit.
  • The devices are also compatible with the free ‹get red-y› software, allowing users to view flow rate and temperature, change set points, select measured gas, and adjust control parameters. The red-y smart series is ideal for applications such as gas delivery systems, plant engineering, and gas mixing processes, offering unmatched technological performance and cost-effectiveness.

Use Cases

  • Measurement and control in gas delivery systems
  • Plant engineering applications
  • Gas mixing processes
  • Consumption measurement

Capabilities

  • High-accuracy thermal mass flow measurement with real-gas calibration traceable to METAS
  • Measurement largely insensitive to pressure and temperature changes within specified limits
  • Multigas operation (Air, O₂, N₂, He, Ar, CO₂, H₂, CH₄, C₃H₈; others on request)
  • Fast control response (~300–500 ms depending on configuration)
  • Analog and digital integration with control systems
Vögtlin Instruments GmbH Vögtlin Instruments GmbH is a manufacturing company specializing in mass-flow meters and controllers calibrated for hydrogen. The broader business is instrumentation-oriented, with sensors and analyzers supplied either as stand-alone instruments or embedded into machines, process skids, safety systems, laboratories, and plant automation so operating conditions can be measured and documented. The company’s products typically provide information to a larger control, safety, quality, or test system, making measurement accuracy, response behavior, interfaces, calibration, and environmental suitability part of the integration task. For hydrogen, the company’s actual role is defined by the specific pressure, flow, gas-detection, concentration, quality, temperature, electrical, or other measurement functions described in its portfolio; different suppliers cover different parts of this measurement layer. Its instruments measure and regulate low to medium gas flows in electrolyzer development, fuel-cell testing, laboratories, and process systems. The company provides compact digital flow devices and application support for precise hydrogen dosing and measurement. Within the hydrogen value chain, Vögtlin Instruments GmbH therefore supplies instrumentation, monitoring, or safety technology to OEMs, test organizations, plant integrators, infrastructure developers, and industrial operators handling hydrogen.
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