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DS 233 Differential Pressure Switch for Gases and Compressed Air in Compact Version

Meet the DS 233, ideal for monitoring non-aggressive gases and compressed air with precision. Its robust aluminium housing suits machine and plant engineering. The core feature is a high-accuracy piezoresistive silicon pressure sensor, ensuring long-term stability. Standard with PNP contact, it also has a rotatable 4-digit LED display for clear differential pressure readings. Customise with up to two additional contacts for tailored use. The DS 233 offers unmatched performance and reliability.

DS 233 Differential Pressure Switch Product Parameters

  • Pressure Ranges: Differential pressure from 0 … 6 mbar to 0 … 1000 mbar.
  • Output Signal: 2-wire: 4 … 20 mA, 3-wire: 4 … 20 mA, 0 … 10 V.
  • Accuracy: LED display for precise readings.
  • Electrical Connections: Rotatable and configurable display module.
  • Process Connections: Suitable for non-aggressive gases and compressed air.
  • Media Compatibility: Durable aluminium housing.
  • Special Features: Options for 1 or 2 PNP contacts, customisable versions available.

Product Highlights

The DS233 Pressure Switch is a versatile and reliable device designed for monitoring differential pressure in a wide range of applications. It covers a differential pressure range from 0 to 6 mbar up to 0 to 1000 mbar, providing precise measurements. With its 2-wire output signal of 4 to 20 mA or 3-wire output signal of 4 to 20 mA and 0 to 10 V, it offers flexible connectivity options. The pressure switch comes with an aluminium housing, ensuring durability and resistance to environmental conditions. Its LED display allows for easy monitoring and the display module can be rotated and configured for optimal viewing. The DS233 is suitable for use with non-aggressive gases and compressed air. Additionally, it offers optional versions including 1/2 PNP contacts and customer-specific configurations, making it adaptable to various industrial requirements.


  • Plant and machine engineering
  • Heating and air conditioning 

To download the latest datasheet click here: DS 233

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