"DPS Switch Explained""What is a DPS Switch?"

A Differential Pressure Switch (DPS) is a device used to monitor the difference in pressure between two points in a system. These switches are commonly employed in various industrial and HVAC applications to ensure that systems operate within safe and efficient pressure ranges. Here are some key features and functions of a differential pressure switch.

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Pressure Sensing: The DPS can sense pressure from two different sources and provide an output based on the difference.

Switching Action: The DPS can be configured to make or break a circuit when the differential pressure exceeds or falls below preset limits.

Adjustability: Many differential pressure switches come with adjustable set points, allowing users to customize the switch to their specific applications.

Applications:
Common applications include monitoring filters in HVAC systems (to indicate when they are clogged), compressor operations, tank level monitoring, and ensuring proper airflow in ducts.

Types of Outputs: DPS devices typically provide various types of outputs, such as mechanical contacts (relay), signal output (4-20 mA, 0-10 V), or alarms.

Construction: They are often designed to withstand harsh environments, with options for weatherproof housings and materials that resist corrosion.

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