Dwyer's GFM2, GFM3, and GFM4 Gas Mass Flowmeters provide high accuracy and repeatability

Dwyer Instruments' Series GFM2, GFM3, and GFM4 Gas Mass Flowmeters are designed for the measurement of flow rates of a wide variety of gases. Each series provides a ±1% FS accuracy and ±0.25% FS repeatability and can store calibration information for up to 10 different flow gases. Digital RS-232 or RS-485 interfaces allow for communication and for multi-drop capability of up to 256 units (RS-485 only). This interface allows the user to set alarms remotely to alert when high or low flow thresholds being exceeded.

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