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UD-7900M Automatic Reader

Precision, automatic reading of badges.

    • Features
    • Optical Heating System
    • Simplified Operation one-press automatic start. Easy to service and maintain
    • Continuous Measurement with the Built-In Auto-changer
    • Selectable Heating Mode digital heating control of power and time
    • Built-in Glow Curve Interface
    • Built-in Electronic Real Time Measurement of Heating Temperature Profile
    • Power Supply (factory preset) 100/115/220/230/240V AC/50-60Hz
    • Windows based Control Software; PC and Monitor are included
    • Communications to Host PC or Mainframe through built-in RS232 Interface
    • Uses field-proven, reliable UD-710/UD-730 mechanics
  • Automatic, self-checking, accurate

    The UD-7900 Reader automatically reads all “UD-800 Series” TLD Badges with high reproducibility and precision. Using the non-contact optical heating method, the reader accurately measures a large number of TLD badges at a high speed with reliability.

    Both the photon-counting method for small signals and the current integration method for large signals are employed to precisely detect the thermoluminescence throughout a wide range of doses.

    The reader is equipped with self-checking functions for optical path, sensitivity of PM tube, heating stability, and has all automatic functions, such as annealing of the TLD badges for repeat use, optical reading of the ID code, and sensitivity adjustment correction by the built-in reference light source. Pre-heating and annealing functions are incorporated. ID code optical reading is also incorporated.

  • Specification Description
    Applicable TLD Badge: UD-800 series (All Panasonic TLD Badges)
    Heating Method: Optical Heating System (Non Contact)
    Measuring Range: Li2B407 10mR ~ 1000R (100uSv ~ 10 Sv)
    CaSO4 1mR ~ 50R (10uSv ~ 500mSv)
    Measuring Time: Fast Mode (UD-710) - Approx. 20 sec. for 4-element badge Slow Mode (UD-716) - Approx. 35 sec. for 4-element badge
    TLD Badge Loading: Automatic loading with Built In Auto-changer for 10 magazines 50 badges per magazine x10 magazines = 500 badges/loading
    Weight and Dimensions: Approx. 150kg Approx. 1000(W) x 850(H) x 430(D) mm

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