The Dwyer Instruments GFM-1131 gas mass flow meter provides accurate and reliable flow measurement for a wide range of industrial gases. Designed for demanding applications, this thermal dispersion flow meter features a straight tube sensor and restrictor flow element to ensure high accuracy and repeatability, virtually unaffected by temperature and pressure variations.
Key Features & Highlights
- Flow Range: 0-100 SCFM (0-2500 FPM) for versatile gas flow measurement.
- Output Signal: 4-20 mA analog output for seamless integration with control systems.
- Digital Display: 3-1/2 digit LCD, tiltable 90° for easy viewing in any installation.
- Communication: Modbus RTU protocol for advanced monitoring and data logging.
- NIST Traceable: Includes NIST traceable certificate for quality assurance.
- Durable Construction: Aluminum body with 1/4″ compression fittings for secure connections.
Applications
The GFM-1131 is ideal for use in industrial processes, HVAC systems, and environmental monitoring where precise gas flow measurement is critical. Its robust design and reliable performance make it suitable for applications such as combustion air monitoring, gas leak detection, and process control.





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