The Dwyer Instruments GFM-2104 is a high-performance gas mass flow meter designed for accurate and reliable measurement in industrial processes. With a flow range of 0-200 SCFM (equivalent to nitrogen at 70°F and 760 mm Hg), this meter provides precise readings for a variety of gases. The GFM-2104 features a 4-20 mA analog output and Modbus RTU digital communication, making it easy to integrate into existing control systems. Its thermal dispersion sensing technology ensures stability and repeatability, while the 3-1/2 digit LCD display is tiltable for optimal viewing.
Key Features & Highlights
- Flow range: 0-200 SCFM (nitrogen equivalent at 70°F, 760 mm Hg)
- Output: 4-20 mA analog and Modbus RTU digital
- Thermal dispersion sensor for high accuracy and repeatability
- 3-1/2 digit LCD display, tiltable for easy reading
- Stainless steel construction for durability
- 1/4″ compression fittings for easy installation
- NIST traceable calibration certificate included
- Unaffected by temperature and pressure variations
Applications
The GFM-2104 is ideal for monitoring gas flow in a wide range of industrial applications, including HVAC systems, environmental monitoring, chemical processing, and laboratory testing. Its robust design and advanced features make it suitable for demanding environments where precise flow measurement is critical.





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