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Electric Contact Pressure Gauge is a specialized pressure measurement device widely used in industrial sectors such as petroleum, chemical engineering, metallurgy, power plants, and mechanical equipment. It integrates mechanical pressure sensing with electrical control functions, enabling real-time monitoring and automatic control of fluid pressure systems.
Operating Principle
The gauge operates based on mechanical displacement. When the measured medium exerts pressure on the spring tube inside the gauge, it deforms elastically. This deformation is transmitted through a gear mechanism to move the pointer, which indicates the pressure value on the dial. Simultaneously, the pointer drives a movable contact to connect or disconnect with fixed contacts （set at upper and lower limits）, triggering electrical signals. These signals can activate relays, contactors, or other control devices to achieve functions like alarm alerts, automatic regulation, or shutdown in critical conditions.
Key Features
Dual Functionality: Combines pressure display with electrical signaling, suitable for both manual monitoring and automated systems.
Customizable Settings: Adjustable upper and lower limit pointers allow precise control of pressure thresholds.
Durable Design: Available in stainless steel or corrosion-resistant materials for harsh environments, with options for vibration resistance.
Safety Compliance: Models like explosion-proof versions meet stringent industrial safety standards （e.g., Exib Ⅱ CT6）.
Applications
Monitoring pressure in pipelines, reactors, and boilers.
Triggering safety alarms or emergency shutdowns in overpressure scenarios.
Automating processes in HVAC systems, hydraulic machinery, and water treatment plants.
Compatibility
The gauge interfaces seamlessly with electrical components such as relays, PLCs, and frequency converters, enhancing system automation and reliability. Its robust construction and versatility make it indispensable in industries where precise pressure control and safety are critical.
