Pressure Measurement & Control


Explosion-proof pressure switch

October 2012 Pressure Measurement & Control

American Sensor Technologies has released the AST46SW explosion-proof pressure switch. Complementing its complete offering of explosion-proof pressure transmitters, the AST46SW offers a single pull, double throw configuration with factory-set switch points and hysteresis.

Utilising Krystal Bond Technology, the one piece stainless steel sensing element will measure pressure in the most extreme temperature conditions. Standard models are configured with 316L, 17-4 PH, or Inconel 718 materials. With a maximum operating pressure range up to 1400 bar), the sensor will maintain high performance with zero signal drift due to an extremely thick and robust sensing diaphragm. Microprocessor technology produces excellent performance over a wide temperature range and advanced electronics results in a compact overall size.

The device is CSA-approved for use in hazardous areas including Class 1 Div 1 Explosion proof Groups A, B, C and D, and for mining applications, Class 2 Div 1 Groups E, F and G.



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