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HFG1 Flow Mixer

The HFG1 allows users generate variable dew or frost point gas flows for the calibration of all types of hygrometers. It works by combining a dry gas supply with adjustable amounts of water vapor provided by an internal permeation humidifier. By adjusting the mixing ratio using the front panel mounted valves, output dew/frost points are generated for measurement using a reference hygrometer such as the 973 or 373.

Easy to Set Up

HFG1 takes only a few minutes to set up. Fill the permeation humidifier with distilled water, connect the reference hygrometer to outlet 1, connect the inlet pressure, set the regulator to the required working pressure and adjust the flow rate to the required value. Outlet 2 is connected to the instrument(s) under test using standard tubes and fittings.

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Seminarstrasse 55/57
CH-5430 Wettingen
Switzerland