SCH-Ex-DNS/VNS Pressure Switch

Brand: KOBOLD Instruments, Inc.

The pressure switches of series DNS are suitable for monitoring and controlling pressures in devices of the chemical industry and in the process engineering as well as wherever the pressure of aggressive liquids and gases has to be monitored.

All component parts of the sensor system are made of stainless steel (1.4571) and are welded by using the latest techniques without additional materials. The pressure sensor is hermetically encapsulated and does not contain any seal material.

Specifications

Accuracy

  • < 1 % of Working Range

Ambient Temperature Range

  • -25° to 70° C (-13° to 158° F)

Approvals & Certifications

  • ATEX - Ex II2 GD Ex de IIC T6

BSP Connection

  • G 1/2" A Male
  • G 1/4" Female

Electrical Rating

  • 0.03 A at 250 Vdc Resistive
  • 2 A at 250 Vac Inductive
  • 3 A at 24 Vdc Resistive
  • 3 A at 250 Vac Resistive

Element

  • 316Ti Stainless Steel

Enclosure / Body Material

  • Chrome
  • Die Cast Aluminum
  • Plastic
  • Sea Water Resistant Aluminum Die Casting GD AI Si 12

Environmental Protection

  • IP54
  • IP65

Maximum System Pressure

  • bar: 3 to 16
  • kPa: 300 to 1,600
  • psi: 43.51 to 232.1

Mounting Position

  • Vertical

Set Point - Decreasing

  • bar: -0.25 to 16
  • kPa: -25 to 1,600
  • mbar: -250 to 100 Mbar
  • psi: -3.6 to 232

Set Point - Increasing

  • bar: -0.25 to 16
  • kPa: -25 to 1,600
  • mbar: -250 to 100 Mbar
  • psi: -3.6 to 232

System Pressure

  • bar: 25
  • kPa: 2,500
  • psi: 363

Temperature Range

  • 85° C (185° F)

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