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Ludlum Measurements 44-7 Manual

Alpha, beta, gamma detector
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LUDLUM MODEL 44-7
Alpha, Beta, Gamma Detector
May 2019
Serial No. PR090405
and succeeding Serial Numbers

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Summary of Contents for Ludlum Measurements 44-7

  • Page 1 LUDLUM MODEL 44-7 Alpha, Beta, Gamma Detector May 2019 Serial No. PR090405 and succeeding Serial Numbers...
  • Page 3 LUDLUM MODEL 44-7 Alpha, Beta, Gamma Detector May 2019 Serial No. PR090405 and succeeding Serial Numbers LUDLUM MEASUREMENTS, INC. 501 OAK STREET, P.O. BOX 810 SWEETWATER, TEXAS 79556 325-235-5494, FAX: 325-235-4672...
  • Page 5 RETURN OF GOODS TO MANUFACTURER If equipment needs to be returned to Ludlum Measurements, Inc. for repair or calibration, please send to the address below. All shipments should include documentation containing return shipping address, customer name, telephone number, description of service requested, and all other necessary information.
  • Page 6 Model 44-7 Alpha, Beta and Gamma Detector Ludlum Measurements, Inc. May 2019...
  • Page 7: Table Of Contents

    Model 44-7 Alpha, Beta and Gamma Detector Table of Contents General Unpacking and Repacking Specifications Operating Procedures Cleaning Instructions and Precautions Parts List Drawings and Diagrams Ludlum Measurements, Inc. May 2019...
  • Page 8: General

    Model 44-7 Alpha, Beta and Gamma Detector General The Model 44-7 GM (end window) Detector will detect alpha, beta, and gamma radiation. Its configuration allows for easy surveys or leak wipe testing setup. The detector is energy dependent, over- responding by a factor of 6 in the 60-100 keV range when normalized The thin mica window is protected by a 79% open, stainless steel screen that can be removed.
  • Page 9: Unpacking And Repacking

    Repair and Calibration division where you will find a link to the form. NOTE: When shipping a Model 44-7 by air, it is necessary to ship the tube in a sealed container to avoid sudden atmospheric changes, which could rupture the tube.
  • Page 10: Specifications

    Model 44-7 Alpha, Beta and Gamma Detector Specifications 4π geometry Efficiency ( 2% for C; 10% for Y; 7% for Tc; 7% for Pu; 0.1% for Sensitivity typically 2100 cpm/mR/hr : energy dependent (please see graphs on Energy Response page 8)
  • Page 11: Operating Procedures

    Model 44-7 Alpha, Beta and Gamma Detector Operating Procedures ONNECTING TO AN NSTRUMENT Connect one end of the cable provided to the detector by firmly pushing the connector together while twisting clockwise a quarter of a turn until latched. Repeat the process in the same manner with the other end of the cable and the instrument.
  • Page 12: Cleaning Instructions And Precautions

    Model 44-7 Alpha, Beta and Gamma Detector Cleaning Instructions and Precautions The detector may be cleaned externally with a damp cloth, using only water as the wetting agent. Do not immerse the instrument in any liquid. Observe the following precautions when cleaning: 1.
  • Page 13: Drawings And Diagrams

    Model 44-7 Alpha, Beta and Gamma Detector Drawings and Diagrams Ludlum Measurements, Inc. Page 6 May 2019...
  • Page 14 Model 44-7 Alpha, Beta and Gamma Detector Ludlum Measurements, Inc. Page 7 May 2019...

This manual is also suitable for:

Pr090405