How to use gas flow meters and pressure controllers to optimize your welding process

This article explains how gas flow meters and pressure controllers optimize automated welding processes including orbital welding, laser welding and MIG welding. Precise shielding gas flow & pressure control prevents weld oxidation, stabilizes welding arcs, reduces inert gas waste and records process data, improving weld quality for stainless steel and nickel‑based alloy welding.

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Current Research Status of Metal Tube Rotameter Signal Acquisition Method

This paper reviews the current research status of signal acquisition methods for metal tube rotameters. Metal tube rotameters feature wide temperature & pressure range, low pressure loss and reliable performance, available in local indication and remote transmission types. It introduces pneumatic and electrical remote signal acquisition, including Hall elements, magnetoresistive elements and capacitive angular displacement sensors used to convert float position into standard electrical output signals.

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Electromagnetic flow meter flow velocity range

0.1-15m/s, suggest velocity range is 0.5-15m/s to ensure good accuracy

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