The Dwyer Instruments GFM-1143 is a high-quality gas mass flow meter engineered for accurate and reliable measurement of gas flow in demanding industrial environments. With a specified flow range of 0-200 LPM (for nitrogen at 70°F/21°C and 760 mm Hg), this instrument delivers precise readings essential for process control, environmental monitoring, and laboratory testing.
Constructed with a robust aluminum body, the GFM-1143 ensures durability and longevity even in harsh conditions. The 3/8″ compression fitting provides secure and leak-tight connections, facilitating easy integration into existing systems. Whether you are monitoring gas consumption, verifying system performance, or conducting research, the Dwyer GFM-1143 offers the accuracy and reliability you need.
Key Features & Highlights
- Accurate gas mass flow measurement from 0 to 200 LPM
- Calibrated for nitrogen at standard conditions (70°F/21°C, 760 mm Hg)
- Durable aluminum construction for industrial durability
- 3/8″ compression fitting for secure and simple installation
- Trusted Dwyer Instruments quality and reliability
Applications
The Dwyer Instruments GFM-1143 is suitable for a wide range of applications, including environmental testing, gas flow monitoring in HVAC systems, laboratory experiments, and industrial process control. Its robust design and precise measurement capabilities make it an essential tool for engineers and technicians who require dependable flow data.




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