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QD-YLK Digital Pressure Switch
QD-YLK integrates pressure measurement, digital indication and switching control into one compact instrument. The high-brightness LED display shows real-time pressure, engineering units and relay status, while sealed front-panel keys allow direct parameter adjustment without opening the housing.
QD-YLK provides two independent SPDT relay channels with NO, NC and COM contacts. Each channel supports independently configurable upper/lower limit hysteresis control, with continuously adjustable hysteresis from 0.5% to 100% F.S. and switching delay from 0.1 to 10 seconds.
QD-YLK is designed to maintain reliable switching under changing industrial pressure conditions. Adjustable hysteresis and response delay help prevent false triggering from pressure pulsation and water hammer, while the structure withstands 10g vibration, 100g mechanical shock and 200% F.S. safe overload pressure.
