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Surface Concept CEM 4230 Manual

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CEM 4230 Detector Setup Manual
CEM 4230 Detector Setup
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Summary of Contents for Surface Concept CEM 4230

  • Page 1 CEM 4230 Detector Setup Manual CEM 4230 Detector Setup Manual...
  • Page 2 Surface Concept GmbH. Surface Concept GmbH Am Sägewerk 23a 55124 Mainz Germany phone: +49 6131 62716 0 fax: +49 6131 62716 29 CEM 4230 Detector Setup Manual Version 2.0 email: info@surface-concept.de web: www.surface-concept.de Printed on 2018-09-14...

  • Page 3: Table Of Contents

    CEM 4230 Detector Setup Manual 1 Table of Contents 1 Table of Contents ........................3 2 Introduction ..........................4 2.1 General Information ......................4 2.2 Safety Instructions ......................4 3 Installation ...........................5 3.1 Initial Inspection .........................5 3.2 Installation ..........................5 3.2.1 Mounting the CEM ....................5 3.2.2 Cabling and High Voltage ..................7...

  • Page 4: Introduction

    2.1 General Information This manual is intended to assist users in the installation, operation and maintenance of Release Version 1.1 of the CEM 4230 Megaspiraltron Detector Setup. 2.2 Safety Instructions Please read this manual carefully before performing any electrical or electronic operations and strictly follow the safety rules given within this manual.

  • Page 5: Installation

    3.1 Initial Inspection Visual inspection of the system is required to ensure that no damage has occurred during shipping. Should there be any signs of damage, please contact SURFACE CONCEPT immediately. Please check the delivery according to the packing list (see Table 1) for completeness.
  • Page 6 • Open the plastic bag containing the transport container.1x Wall Power Supply (5V/3A) • Remove the three pairs of nuts and screws holding the CEM. • Carefully remove the CEM assembly by pulling the flange upwards. The cables and the CEM mount may touch the opening, but do not rotate the assembly before the CEM funnel has fully cleared the opening.

  • Page 7: Cabling And High Voltage

    CEM 4230 Detector Setup Manual 3.2.2 Cabling and High Voltage The general connection scheme of the CEM 4230 Detector Setup including its CEM decouple box is shown Figure 2. The components shown greyed out are additional possibilities for further pulse processing.
  • Page 8 CFD pulses. • Use any digital counter or time resolved measurement device (e.g. the Surface Concept 4 Channel Counter or the Surface Concept Time-to-Digital Converter) for pulse recognition/ counting and/ or time resolved measurements.Connect any HV Supply to the 3 SHV feedthroughs of the CEM base flange.

  • Page 9: Operation Of The Cem

    CEM 4230 Detector Setup Manual 4 Operation of the CEM 4.1 “Start Up“ Procedure for First Time Operation Mistakes, which lead to wrong measurement results or damage the CEM can happen very easily while taking the system into operation. Therefore it is strongly advised to read the following sections completely beforehand and to strictly follow all advices given.

  • Page 10: Standard Operating Procedure

    Use this procedure later on for all operations when the detector has already been operated in vacuum before and has not been vented in between. • Connect the CEM 4230 Detector Setup as described in chapter 3. • Be sure that the vacuum pressure at the detector is below the specified maximum operating pressure.

  • Page 11: Bake Out Procedure

    CEM 4230 Detector Setup Manual 4.3 Bake Out Procedure This high-pressure channeltron assembly is not intended for bake-out.

  • Page 12: Additional Information

    This should be considered when setting the applied voltage and the discriminator threshold. 5.2 Replacement Contact SURFACE CONCEPT before performing a replacement. Note Please contact Surface Concept before performing replacement of any parts. We will provide you with a detailed step by step description.

  • Page 13: List Of Figures

    CEM 4230 Detector Setup Manual 6 List of Figures Figure 1: A CEM assembly mounted to the transport container and after removal ..................5 Figure 2: Possible connection scheme of the CEM 4230 Detector Setup ......................7...

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