Sensors adapted for versatality
July 2000
Pressure Measurement & Control
Shorrock Automation
The latest flow temperature and pressure sensors from IFM Electronic make it no longer necessary to select and stock a different sensor model for every type of fitting in use.
The new sensors all share IFM's M0 thread which can be quickly matched to almost any fitting simply by choosing the appropriate adapter from IFM's extensive range. With this approach, a small number of sensors, combined with the adapters, provide a complete family of sensing solutions.
More than a dozen different types of adapters are currently available, including clamp, DIN 11851, SMS and Varivent fittings. One-piece thermowells with M0 threads are also included in the range for use with temperature sensors.
A large number of adapter/sensor combinations from the new range are specifically designed to be suitable for hygienic applications and are certified by the European Hygienic Equipment Design Group (EHEDG).
Flow sensors for use with the new adapters include products in the innovative SI range which monitor flow in liquids at rates between 0,03 to 0,3 m/s and are pressure-resistant to 30 MPa. Temperature changes of up to 300 K/min in the flowing medium can be tolerated without affecting accuracy of performance making these sensors a good choice for monitoring CIP sets.
Among the temperature sensors compatible with the new adapters are types TS and TT which have sensing ranges of -40 to +150°C and -40 to +125°C, respectively. Designed for use with separate amplifiers from the IFM range, these units feature plug-and-socket connectors with gold-plated contacts and have an IP67 protection rating.
Pressure sensors with the benefits of adaptable fittings are available in the standard PF and the high temperature PI ranges. Each features four models which between them cover the pressure range 0 to 2,5 MPa. All types use IFM's reliable ceramic-cell sensing technology which combines high accuracy with outstanding resistance to the effects of over-pressure and pressure transients.
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