Gas flow measurement at low pressure and low velocity, with a pipe diameter of 1000 mm
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As the title suggests, for gas flow with a large diameter, low pressure, and low flow rate, what type of flow meter is suitable?
Constant velocity tube flow meter or ultrasonic flow meter.
"Low pressure and low flow rate – (Venturi tube + differential gauge). There’s no more accurate way to measure flow than this, believe me!
Vernier, thermal mass flow meters, Anemometers, ultrasonic flow meters, etc., can all be considered.