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Argus Range

Technical Description

Switchcase and covers: 316 Stainless steel or PPS (Polyphenylene Sulphide) + stainless steel fibres engineering polymer switchcase.

Environmental Protection: Switches have been tested and certified by an external test house to 1P67 in accordance with BS EN 60529: 1992.

Vibration and shock parameters: Switches have been tested and certified by an external test house to BS EN 60068-2-6:1995 (test Fc vibration) and BS EN 60068-2-27:1987 (test Ea shock).

Temperature Limitations: Pressure, Vacuum and Differential Pressure

  • Ambient: See below
  • Process:
  • Diaphragm actuated -50 to +90°C (Nitrile) or -20 to +150°C (Viton).
  • Piston actuated -40 to +120°C (Nitrile) or -20 to +150°C (Viton).
  • Storage: -60 to +80°C (+125°C upon request).
  • Industrial: 73/23/EEC Low voltage directive
  • EExia: 94/9/EC ATEX coded CE Ill G EExia IIC for CAT 1 (Zone 0) areas
  • EExd: 94/9/EC ATEX coded CE ll2GD EExd IIC for CAT 2 (Zone 1) areas

(For temperature, level and flow switches please refer to specific pages)

Certification: All switches are CE certified and marked in accordance with the following EU directives

Accuracy: 1 % at 20°C

Setting Accuracy: 2%