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LUDLUM 272D User Manual

Digital remote for the ludlum 375 series

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LUDLUM MODEL 272D
DIGITAL REMOTE
February 2016
Serial No. 315591 and Succeeding
Serial Numbers

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Summary of Contents for LUDLUM 272D

  • Page 1 LUDLUM MODEL 272D DIGITAL REMOTE February 2016 Serial No. 315591 and Succeeding Serial Numbers...
  • Page 2 LUDLUM MODEL 272D DIGITAL REMOTE February 2016 Serial No. 315591 and Succeeding Serial Numbers...
  • Page 3 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: Table Of Contents

    Model 272D Digital Remote February 2016 TABLE OF CONTENTS 1. GENERAL .................... 1 2. CABLE ....................1 3. SPECIFICATIONS ................2 4. ENVIRONMENTAL CONDITIONS FOR NORMAL USE ......2 5. WARNING MARKINGS AND SYMBOLS ..........3 6. RECYCLING ..................4 7.
  • Page 8: General

    Area Monitors. A large four-digit LED (light emitting diode) display shows the current radiation reading from 0.1 to 9999 in the same display units as the Model 375. The Model 272D also shows the current status of the Model 375. The LOW ALARM, HIGH ALARM, SYSTEM OK, and DET FAIL status indicators are all provided.
  • Page 10: Specifications

    Model 272D Digital Remote February 2016 3. SPECIFICATIONS INDICATED USE: remote display for Model 375 Area Monitor DISPLAY: 0.0 to 9999 or 0.00 to 9999 (same as connected Model 375) SYSTEM OK: (green light) indicates the instrument is functioning properly...
  • Page 12: Warning Markings And Symbols

    Caution! The operator or responsible body is cautioned that the protection provided by the equipment may be impaired if the equipment is used in a manner not specified by Ludlum Measurements, Inc. The Model 272D is marked with the following symbols: The “crossed-out wheelie bin”...
  • Page 14: Recycling

    “crossed-out wheelie bin,” which notifies the consumer that the product is not to be mixed with unsorted municipal waste when discarding. Each material must be separated. The symbol is located on the side of the Model 272D. The symbol appears as such:...
  • Page 16: Drawings And Diagrams

    Model 272D Digital Remote February 2016 7. DRAWINGS AND DIAGRAMS Main Circuit Board Schematic, Drawing 396 x 901 (3 sheets) Main Circuit Board Component Layout, Drawing 396 x 902 (2 sheets) page 5...