ORTEC 474 Operating And Service Manual

ORTEC 474 Operating And Service Manual

Timing filter amplifier

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Model 474
Timing Filter Amplifier
Operating and Service Manual
®
Printed in U.S.A.
ORTEC
Part No. 733370
1003
Manual Revision D

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Summary of Contents for ORTEC 474

  • Page 1 Model 474 Timing Filter Amplifier Operating and Service Manual ® Printed in U.S.A. ORTEC Part No. 733370 1003 Manual Revision D...
  • Page 2: Warranty

    In the event ORTEC fails to manufacture or deliver items called for in this agreement or purchase order, ORTEC’s exclusive liability and buyer’s exclusive remedy shall be...
  • Page 3: Table Of Contents

    CONTENTS WARRANTY ................ii SAFETY INSTRUCTIONS AND SYMBOLS .
  • Page 4: Safety Instructions And Symbols

    SAFETY INSTRUCTIONS AND SYMBOLS This manual contains up to three levels of safety instructions that must be observed in order to avoid personal injury and/or damage to equipment or other property. These are: DANGER Indicates a hazard that could result in death or serious bodily harm if the safety instruction is not observed.
  • Page 5: Safety Warnings And Cleaning Instructions

    SAFETY WARNINGS AND CLEANING INSTRUCTIONS DANGER Opening the cover of this instrument is likely to expose dangerous voltages. Disconnect the instrument from all voltage sources while it is being opened. WARNING Using this instrument in a manner not specified by the manufacturer may impair the protection provided by the instrument.
  • Page 7: Description

    0 to ±l V. opposite polarity to the input or, when the toggle The 474 can operate with an input dc offset where switch selects Non-invert, the polarities are the the maximum total input signal range, including the same.
  • Page 8: Controls

    Always turn off power for the power 3.1. GENERAL supply before inserting or removing any modules. The 474 operates on power that must be furnished ORTEC modules are designed so that a full from a nuclear-standard bin and power complement of modules installed in the bin will not supply such as the ORTEC 4001/4002 Series.
  • Page 9: Operating Instructions

    The Differentiate time constant is also selectable and determines the total interval constants that select integration and differentiation circuits in the 474 can be set to normalize a pulse before the pulse returns to the baseline and allows rise...
  • Page 10: Maintenance

    6.1. CORRECTIVE MAINTENANCE nonuniform pulses. By adjusting the pulse rise time The ORTEC 474 should require no regular with the 474 to an interval that is longer than any of maintenance other than...
  • Page 11: Nanosecond Fluorescence Spectrometry

    It can provide SPECTROMETRY dramatic improvement in timing resolution below The ORTEC 9200 Nanosecond Fluorescence the FWHM level and makes reliable timing data Spectrometer is used in lifetime measurements of possible at even the FW(1/100)M level.
  • Page 12 Fig. 6.1. Gamma-Gamma Coincidence System Using a Plastic Scintillator and a Large Ge(Li) Coaxial Detector. Fig. 6.2. Nanosecond Decay Time Fluorescence Spectrometer System.
  • Page 13 Fig. 6.3. Lifetime Spectrum of Quinine Sulfate in Sulfuric Acid.
  • Page 14 Reset (Auxiliary) +12 V Coaxial Coaxial 12 V Spare Bus Coaxial Reserved Bus 117 V ac (Neutral) Spare High-Quality Ground Spare Ground Guide Pin Reserved Pins marked (*) are installed and wired in ORTEC’s Model 4001A and 4001C Modular System Bins.

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