Self-monitoring temperature sensor
November 2006
Sensors & Transducers
No calibration is necessary for the new TAD temperature sensors from IFM Electronic. Each sensor has two high-precision and long-term stable measuring elements that guarantee the safety and quality of the process. The sensors feature integrated temperature decoupling and hygienic connection for CIP and SIP applications in the food and pharmaceutical industries. Accuracy is 0,2 K from -10 to
100°C and 0,3 K from 100 to 150°C. TAD sensors have a temperature range from -10 to 150°C as well as having the capability to monitor peak temperatures between -25 and 170°C.
The use of two different sensor elements that monitor each other in the process ensures that a developing sensor drift is detected and reliably diagnosed. The 4-20 mA signal enables processing via all common controllers and allows scaling for the respective temperature range. An additional output provides the information 'drift warning threshold reached' or 'drift alarm threshold reached' and these thresholds can be individually preset.
An integrated adapter thread enables hygienic connection to all common process adapters. The completely closed and welded housing guarantees IP 69 K protection while the selected design of the sensor reduces build-up of dirt.
IFM Electronic is represented locally by Shorrock Automation.
For more information contact Chris Huxham, Shorrock Automation, +27 (0) 12 345 4449, [email protected], www.shorrock.co.za
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