micromobility expo 2019, 02 - 04 May
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DOG Oscillation Flowmeter

Logo KOBOLD Messring


KOBOLD Messring

Exhibitor details
Exhibitor details
Logo DOG Oscillation Flowmeter

Product description

The KOBOLD flowmeter DOG-1 and DOG-3 are used for noncontact flow measurement of gases.
The medium flows throught an orifice in a tube. Bypass bores are located at the sides. The dynamic pressure at the orifice causes part of the gas volumentric flow to flow into the bypass. The division ratio remains constant over the whole measuring range.
The bypass channel contains the Oscillar - the measuring cell itself. When the gas flows through the measuring cell, a gas column oscillates in a U-shaped channel mounted to the left and right. This oscillation frequency is proportional to the flow velocity and thus to the total volume flow. The oscillation frequency is sensed with a hot wire sensor. An electrical alternating signal is generated that is displayed in the seriesconected electronics.

Hall 11, Stand C35

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