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Magnetostrictive Level Transmitter
AT100

The AT100 is Based Upon the Magnetostrictive Principle. The Sensing Tube Contains a Wire, which is Pulsed at Fixed Time Intervals and the Interaction of the Current Pulse with the Magnetic Field Created by the Magnetic Float. 

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Overview

This Causes a Torsional Stress Wave to be Induced in the Wire. This Torsion Propagates Along the Wire at a Known Velocity from the Position of the Magnetic Float and Toward Both Ends of the Wire. A Patented Piezo-Magnetic Sensing Element Placed in the Transmitter Assembly Converts the Received Mechanical Torsion into an Electrical Return Pulse. The Microprocessor-Based Electronics Measures the Elapsed Time Between the Start and Return Pulses and Converts it into a 4-20 mA Output, which is Proportional to the Level Being Measured.


Features: 
 
      
  • SIL2 Certified IEC 61508*
  • High Accuracy: .01% of Full Scale
  • Superior Piezo Ceramic Sensor (Patent # 5,473,245)
  • Local Indication with LCD Display
  • Never Requires Re-Calibration: Set It & Forget It
  • Dual Compartment Housing with Separate Field Terminal Compartment
  • Loop Powered to 75’ (22M) Probe Length
  • Total and/or Interface Level Measurement
  • Pressure to 3000psig (207 bar), Std. 1800 psig (124.1 bar)
  • Temperature Range: -320 to 800º F (-196 to 427ºC) with options
  • Field Replaceable / Upgradable Electronics Module
  • Built In RFI / EMI Filter
  • Digital Communications

OPTIONS:

  • Two Level Indications
  • Temperature Indications
  • Foundation Fieldbus Output
  • Honeywell DE Output
  • Glass Viewing Window
  • 316L Stainless Steel Enclosure
  • 20 Point Strapping Table

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