New generation pressure sensors
May 2005
Sensors & Transducers
IFM Electronic's new compact PK pressure switches, from the Istep range, are claimed to be the first to feature a successful combination of easy setting and long-term stability. The PK pressure sensors incorporate a new stainless steel measuring cell, welded without a sealing ring, feature high-pressure peak resistance and are resistant to aggressive material.
The PK pressure sensors have a minimum bursting pressure range for gases and liquids up to 160 MPa. Radial setting rings with a unit scale allow optimum reading and enable the user to adjust the setpoint and reset point quickly and precisely, without system pressure being applied.
A mechanical locking function eliminates unauthorised use, while two LEDs indicate the switching and operating status. Meeting IP65 requirements, the sensors are resistant to vibration and shock and operate at 50-million pressure cycles/min at nominal pressure.
The robust PK pressure sensors are suitable for almost all industrial and mobile applications. Standard hydraulic and pneumatic applications can be implemented as well as gas pressures up to 40 MPa or applications in air conditioning and refrigeration technology. The low price of these devices makes them a real alternative to mechanical pressure switches.
For more information contact Chris Huxham, Shorrock Automation, 012 345 4449, sales@shorrock.co.za, www.shorrock.co.za
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