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QDW90A-KG Digital Pressure Switch
PNP / NPN Output CompatibilityQDW90A-KG is a digital pressure switch designed around “PNP / NPN Output Compatibility.” Provides clear switching, alarm or relay functions for equipment control and interlocking. The alarm, relay, switching or control function turns the measured condition into a clear action for pumps, valves, warning devices or equipment interlocks. The confirmed values highlighted here are PNP, NPN. The feature is directly relevant to pressure monitoring, chemical process and industrial process projects. Respond faster to abnormal conditions and equipment control demands, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation. | |
Adjustable Response Time for Different Control TasksQDW90A-KG is a digital pressure switch designed around “Adjustable Response Time for Different Control Tasks.” Improves pressure stability, response or operating efficiency under changing field conditions. The stated operating range, accuracy, response, overload or stability feature supports more dependable data under changing field conditions. The feature is directly relevant to pressure monitoring, chemical process and industrial process projects. Maintain clearer trend data during long-term industrial operation, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation. | |
Fast Zero Adjustment for Efficient CommissioningQDW90A-KG is a digital pressure switch designed around “Fast Zero Adjustment for Efficient Commissioning.” Provides clear switching, alarm or relay functions for equipment control and interlocking. The alarm, relay, switching or control function turns the measured condition into a clear action for pumps, valves, warning devices or equipment interlocks. The feature is directly relevant to pressure monitoring, chemical process and industrial process projects. Respond faster to abnormal conditions and equipment control demands, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation. | |
Technical Specifications | |
Switch Point Repeatability:≤0.5% F.S. Hysteresis Adjustment Range:0.5% ~ 100% F.S., continuously adjustable per channel Switching Response Time:1ms ~ 10s software adjustable, 1ms step; eliminates false triggers from pressure pulsation Switch Control Modes:Hysteresis mode / window mode; independently configurable for both SP1 and SP2 Switch Output Type:2-channel PNP or NPN transistor output (specify when ordering) Maximum Switching Current per Channel:200mA, resistive load Analog Output Accuracy:≤0.5% F.S. Zero Temperature Drift:≤0.03% F.S./℃ Sensitivity Temperature Drift:≤0.03% F.S./℃ Long-term Stability:≤0.5% F.S./year Switching Service Life:≥1,000,000 operations; solid-state output eliminates mechanical contact wear | |
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Wiring Diagram |
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