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Ludlum Measurements 44-172 Manual

Ludlum Measurements 44-172 Manual

Yso gamma scintillator

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LUDLUM MODEL 44-172
YSO GAMMA SCINTILLATOR
March 2019
Serial Number 240057 and Succeeding
Serial Numbers

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Summary of Contents for Ludlum Measurements 44-172

  • Page 1 LUDLUM MODEL 44-172 YSO GAMMA SCINTILLATOR March 2019 Serial Number 240057 and Succeeding Serial Numbers...
  • Page 2 LUDLUM MODEL 44-172 YSO GAMMA SCINTILLATOR March 2019 Serial Number 240057 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 4: Table Of Contents

    Table of Contents Introduction Packing and Unpacking Specifications Parts List Model 44-172 YSO Gamma Scintillator Assembly View, Drawing 2 × 236 1.125 Inch Tube Socket Board , Drawing 435 × 1700 Drawings and Diagrams Ludlum Measurements, Inc. March 2019...
  • Page 5: Introduction

    Section 1 Section Introduction he Ludlum Model 44-172 YSO (Yttrium Oxyorthosilicate) detector is used primarily for the detection of low-energy gamma radiation from approximately 5 keV to 145 keV. The Model 44- 172 will also detect beta particles from C (49 keV average energy).
  • Page 6: Packing And Unpacking

    Model 44-172 Technical Manual Section 2 Section Packing and Unpacking Remove the calibration certificate or detector functional check certificate and place it in a secure location. Remove the detector(s) and accessories (if applicable) and ensure that all items on the packing list are in the carton.
  • Page 7: Specifications

    Model 44-172 Technical Manual Section 3 Section Specifications : 500 volts to 1200 volts maximum. Voltage Requirements : 2.5 cm (1 in.) diameter by 1 mm (0.04 in.) thick YSO crystal (non-hygroscopic) Scintillator Photomultiplier Tube : 2.86 cm (1.125 inch) diameter; head-on type; magnetically shielded : Standard Series ˝C˝...
  • Page 8 Model 44-172 Technical Manual Section 3 : Pollution Degree 3 (as defined by IEC 664) (Conductive pollution or dry nonconductive Pollution pollution that becomes conductive due to condensation occurs. To be found in industrial environment or construction sites (harsh environments).
  • Page 9: Parts List

    Model 44-172 Technical Manual Section 4 Section Parts List Reference Description Part Number Model 44-172 YSO UNIT Completely Assembled Gamma Scintillator Model 44-172 YSO Gamma Scintillator 47-3543 Assembly View, FOIL-NETIC 01-5019 Drawing 2 × 236 FOIL-CO-NETIC 01-5026 Photomultiplier Tube 1.125 inch...
  • Page 10: Assembly View, Drawing 2 × 236

    Model 44-172 Technical Manual Section 5 Section Drawings 4 Efficiency Curve Assembly View, Drawing 2 × 236 1 1/8 Inch Voltage Divider Board, Drawing 435 × 1700 1 1/8 Inch Voltage Divider Board Component Layout, Drawing 435 × 1701 (2 sheets) Window Assembly, Drawing 2 x 232A Ludlum Measurements, Inc.
  • Page 11 Model 44-172 Technical Manual Section 5 Ludlum Measurements, Inc. July 2018...

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240057