Bruker 400'89 Ascend DNP User Manual
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Bruker 400'89 Ascend DNP User Manual

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400'89 Ascend DNP
User Manual
Version
01
NMR Spectroscopy
Innovation with Integrity

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Summary of Contents for Bruker 400'89 Ascend DNP

  • Page 1 400'89 Ascend DNP User Manual Version NMR Spectroscopy Innovation with Integrity...
  • Page 2 © September 2012: Bruker Corporation Faellanden, Switzerland ZTKS0243 / Z31993 / Rev.: 01 For further technical assistance on the NMR magnet system, please do not hesitate to contact your nearest BRUKER dealer or contact us directly at: BRUKER Corporation Industriestrasse 26...

  • Page 3: Table Of Contents

    Contact ......................9 Introduction....................11 Safety......................13 Transportation .....................29 Assembling ....................35 Operation......................37 Troubleshooting ..................41 Maintenance....................57 Disassembling .....................59 Appendix ......................61 ZTKS0243 / Z31993 / Rev.: 01...
  • Page 4 ZTKS0243 / Z31993 / Rev.: 01...
  • Page 5 Table of Contents Contact ......................9 Introduction....................11 General Information....................11 Limitation of Liability ....................11 Customer Service....................11 Warranty......................... 11 Copyright ........................ 11 General View......................12 Safety......................13 Approved Persons....................13 Customer Responsibilities..................14 Key Words......................15 Residual Risks......................16 2.4.1 Persons ........................16 2.4.2 Intended Use ......................
  • Page 6 Table of Contents Operation......................37 Safety ........................37 Sweep Procedure (DNP only) ................38 Set into Operation....................39 Troubleshooting ..................41 Safety ........................41 Problem ........................42 6.2.1 During Transportation..................... 42 6.2.2 During Assembling ....................42 6.2.3 During Cooling Down....................44 6.2.4 During Energizing and Shimming ................
  • Page 7 ZTKS0243 / Z31993 / Rev.: 01...
  • Page 8 π ZTKS0243 / Z31993 / Rev.: 01...

  • Page 9: Contact

    Contact Manufacturer Bruker BioSpin AG Industriestrasse 26 CH-8117 Faellanden Switzerland Phone: + 41 44 825 91 11 Fax: + 41 44 825 96 96 http://www.bruker.com E-mail: service@bruker.ch Please refer to the Model No., Serial No. and Internal Order No. in all correspondence regarding the NMR system or components thereof.
  • Page 10 Contact ZTKS0243 / Z31993 / Rev.: 01...

  • Page 11: Introduction

    • use of not approved spare parts or accessories. Customer Service Technical support is provided by Bruker Service via telephone or e-mail. For contact information see page 9 of this document. Warranty The warranty terms can be found in the sales documents of the magnet system and in the Terms and Conditions of Bruker BioSpin AG.

  • Page 12: General View

    Introduction General View 1 Magnet Stand 2 RT Vessel 3 RT Bore 4 Nitrogen Turrets 5 Heat Exchanger 6 Nitrogen Flow System 7 Helium Flow System 8 Current Lead Turret 9 Helium Fill-in Turret with helium fill-in port Figure 1.1: General View of a Magnet System with 2 Helium Turrets The heart of the NMR magnet system is a superconducting magnet located inside the helium vessel, which is filled with liquid helium.

  • Page 13: Safety

    The supplied cryostat and further equipment of the magnet system were designed and manufactured according to best available technical knowledge and practice, achieved in over 50 years of experience of the Bruker Corporation. International standards for quality and approval recommended for cryostats of superconducting magnets were certified.

  • Page 14: Customer Responsibilities

    Safety Customer Responsibilities The customer must obey the security advice and the rules for safety, applicable local accident prevention and environmental protection correctly for the magnet system. Furthermore, the customer is responsible for keeping the magnet system in good technical condition. In particular: •...

  • Page 15: Key Words

    Safety Key Words DANGER Indicates a hazardous situation which, if not prevented, will result in death or serious injury. WARNING Indicates a hazardous situation which, if not prevented, could result in death or serious injury. CAUTION Indicates a hazardous situation which, if not prevented, may result in moderate or minor injury.

  • Page 16: Residual Risks

    Work must only be carried out by approved persons with applicable qualifications. The necessary qualifications are specified in the beginning of the relevant chapter. • In case of doubt, contact Bruker Service. Contact information see page 9 of this document. 2.4.2 Intended Use The supplied magnet system is designed and intended for NMR spectroscopy only.

  • Page 17: Safety Devices

    Safety 2.4.3 Safety Devices WARNING Risk of damage to life and limb due to not sufficient safety devices. Several safety devices ensure safe operation of the magnet system. They must always be in correct working condition. Thus: • Do not block safety devices. •...

  • Page 18: Signs And Labels

    Thus: • Maintain signs and labels in a readable state. • Replace damaged or not readable signs and labels immediately. New signs and labels can be ordered from Bruker Service. 2.4.6 Technical Risks Magnetic Field WARNING Risk of damage to life and limb due to high magnetic fields.
  • Page 19 Contact with the eyes may cause blindness. Refer to Warning: Low Temperature on page 21. Thus: • Only use cryogenic agents in well ventilated rooms. In case of doubt ask Bruker Service. • Wear an oxygen monitor on the body during service and maintenance work.
  • Page 20 The evaporating helium will displace the breathing air. In case of not sufficient ventilation this may result in death by suffocation. Thus • The magnet system site must be well ventilated. In case of doubt contact Bruker Service. • The evaporating gas may resemble smoke. Never pour water on the magnet system.
  • Page 21 Safety Low Temperatures WARNING Risk of injury due to low temperatures of liquids and metal parts. Physical contact with extremely cold liquids and metal parts may cause serious injuries. Contact with the skin may cause cold burns. Contact with the eyes may cause blindness.
  • Page 22 Safety Risk of Tilting WARNING Risk of injury due to tilting of the magnet system. The magnet system is very sensitive to lateral forces. It may tilt. Thus: • Do not climb onto the magnet system. • Do not lean items against the magnet system. •...
  • Page 23 Safety Transportation CAUTION Risk of injury and property damage due to incorrect transportation. The boxes may tilt, movement may get out of control. Thus persons may get injured and the cryostat or further equipment may be damaged. Thus: • Be careful while unloading and moving the boxes. •...

  • Page 24: Personal Protective Equipment

    Safety Personal Protective Equipment The personal protective equipment must be worn at any time while working on the magnet system and further equipment to prevent health hazards. Protective Goggles Used to protect the eyes from injury due to flying cold liquids and parts. Protective Gloves Used to protect the hands from injury caused by contact with extremely cold liquids or surfaces and for protection from injury caused by rough edges.

  • Page 25: Description Of Signs And Labels

    Safety Description of Signs and Labels Signs and labels are always related to their immediately vicinity. The following signs and labels are found on the magnet system and in the vicinity. Prohibition sign: No person with pacemakers! People with pacemakers are endangered in the identified area of 0.5 mT (5 Gauss) and are not allowed to enter these areas.

  • Page 26: Safety Devices

    Safety Safety Devices The supplied cryostat of the magnet system is equipped with the following safety devices: 1 Drop-off Plate 2 One-way Valve of the nitrogen vessel 3 Safety Valve of the nitrogen vessel 4 One-way Valve of the helium vessel 5 Quench Valves Figure 2.1: Safety Devices of the Cryostat with 2 Helium Turrets...
  • Page 27 Safety Quench Valve The quench valves (5) are the safety devices of the helium vessel. They open with a defined pressure. In case of an accidental overpressure in the helium vessel the quench valves will release the pressure smoothly. Safety Valve The safety valve (3) is the safety device of the nitrogen vessel.

  • Page 28: Behavior In Danger And Emergency Situations

    Safety Behavior in Danger and Emergency Situations Preparations • Keep the emergency exits free at all times. • Prepare and maintain an up-to-date list of emergency telephone numbers in the magnet system area. In Case of Emergency • Leave the danger zone immediately. •...

  • Page 29: Transportation

    Transportation Safety The transportation is carried out by Bruker Service or approved persons. However, it may happen that other persons have to receive the delivery of the shipping boxes. In this case it is essential to obey the instructions in this chapter and to inform these persons before.

  • Page 30: Disposal

    Contact Bruker Service before installation. The claim for damage expires after the fixed period. Thus: Report damages to Bruker Service immediately after detection of damage. For contact information see page 9 of this document. ZTKS0243 / Z31993 / Rev.: 01...

  • Page 31: Transportation By Fork Lift / Pallet Jack

    Transportation Transportation by Fork Lift / Pallet Jack A fork lift is recommended for transporting the boxes to the installation site. Approved Persons: Approved forklift / pallet jack operator Precondition: The fork lift / pallet jack must be approved for the transportation weight (refer to the supplied Sales Information).

  • Page 32: Transportation With A Crane

    Transportation Transportation with a Crane A crane is recommended for lifting the cryostat out of the box. Approved Persons: Approved crane operator Precondition: The crane must be approved for the transportation weight (see Appendix, Technical Data). Attachment Points Exclusively use the marked eyelets as attachment points for the lifting equipment.

  • Page 33: Storing

    Storage temperature: 5 - 40 °C. • Storage humidity: less than 50% @ 23 °C. Disposal For disposal after the life cycle please contact Bruker Service for further information. For contact information see page 9 of this document. ZTKS0243 / Z31993 / Rev.: 01...
  • Page 34 Transportation ZTKS0243 / Z31993 / Rev.: 01...

  • Page 35: Assembling

    Assembling Safety Approved Persons: Bruker Service only ZTKS0243 / Z31993 / Rev.: 01...
  • Page 36 Assembling ZTKS0243 / Z31993 / Rev.: 01...

  • Page 37: Operation

    Operation Safety Approved Persons Bruker Service, Approved Customer Personnel WARNING Magnetic Field (see page Cryogenic Agents (see page Electricity (see page Gas under Pressure (see page ZTKS0243 / Z31993 / Rev.: 01...

  • Page 38: Sweep Procedure (Dnp Only)

    Operation Sweep Procedure (DNP only) Check the settings of the Sweep Power Supply (see Appendix Technical Data, Table A.15 of the supplied User Manual). If necessary change settings (refer to the supplied manual of the Sweep Power Supply). Set the output current at the Sweep Power Supply to 0 A. WARNING Risk of a quench (see page 20) if currents at the Sweep Power Supply and sweep coil are different.

  • Page 39: Set Into Operation

    Operation Set into Operation If the magnet system is equipped with a magnet stand with pneumatic isolators: Set the magnet stand into operation by switching the pneumatic controller to UP position. Figure 5.1: Start the Magnet Stand For any work at the magnet system like maintenance or refill of cryogenic agents stop the magnet stand by switching the pneumatic controller to DOWN position.
  • Page 40 Operation ZTKS0243 / Z31993 / Rev.: 01...

  • Page 41: Troubleshooting

    Troubleshooting Troubleshooting must be performed only with approved qualification. In case of doubts or problems not specified in the following list contact Bruker Service immediately. For contact information see page 9 of this manual. Safety Approved Persons Bruker Service, Approved Customer Personnel...

  • Page 42: Problem

    6.2.2 During Assembling Indicator Possible reason Solution Ceiling height too Site does not meet Choose another site that Bruker Service low for assembling the required meets the required on magnet stand. conditions. conditions. Ceiling height too Site does not meet...
  • Page 43 For this work the bottom plate has to be removed. Check the suspension tubes of the helium vessel are not broken. Install the safety device for fall protection (not supplied). Contact Bruker Service for further information.

  • Page 44: During Cooling Down

    Troubleshooting 6.2.3 During Cooling Down Indicator Possible reason Solution Cooling with liquid Empty transpor- Refill or replace transportation Bruker Service nitrogen continues tation dewar. dewar. too slowly. Transfer pressure Increase transfer pressure Bruker Service too low. slightly (max. pressure 0.3 bar).
  • Page 45 Continued from page before Indicator Possible reason Solution • Do not remove pumping RT vessel becomes Vacuum is broken or Bruker Service unit until liquid helium cold and wet. less than 10 mbar. fill-in is finished. • Continue as in problem...
  • Page 46 Continued from page before Indicator Possible reason Solution Warm up the magnet coil Nitrogen ice in the Times between Bruker Service with warm helium gas helium vessel. pumping and through the precooling flushing were too tube until the whole coil is long;...
  • Page 47 Continued from page before Indicator Possible reason Solution The zero reading of The Helium Level Check the connection in the Bruker Service the Helium Level Sensor is not helium fill-in turret between Sensor can not be connected correctly Helium Level Sensor and...

  • Page 48: During Energizing And Shimming

    During Energizing and Shimming Indicator Possible reason Solution The current lead can The connector is Carefully remove the ice with Bruker Service not be inserted covered with ice warm helium gas. completely into the (frozen moisture or Use the dipstick or the connector.
  • Page 49 Continued from page before Indicator Possible reason Solution Shorting plug can The connector is Carefully remove the ice with Bruker Service not be removed. covered with ice warm helium gas. Use the (frozen moisture or dipstick or the precooling tube nitrogen ice).

  • Page 50: During Operation Of The Magnet Stand

    Repeat shimming. 6.2.5 During Operation of the Magnet Stand In case of doubt contact Bruker Service and refer to the manual of the Magnet Stand. Indicator Possible reason Solution The NMR spectrum Pneumatic controller...
  • Page 51 5 to 8 bar Personnel (70 to 112 psi). If the problem is still not Approved solved, contact Customer Bruker Service. Personnel The magnet system Stop the pneumatic isolators. Bruker Service is not leveled Check the leveling of the correctly.

  • Page 52: During Standard Operation

    Watch helium boil off daily. Customer increasing. Personnel The helium flow Contact Bruker Service imme- Approved system is covered diately! Do not try to remove Customer with ice. ice of the helium flow system! Personnel...
  • Page 53 Quench. Loss of supercon- See chapter ”After a Approved ductivity. Quench” on page 55 Customer Contact Bruker Service Personnel immediately! Cold spots within the Alignment of the Contact Bruker Service. Approved RT bore. vessels not correct.

  • Page 54: During De-Energizing And Warming Up

    During De-energizing and Warming up Indicator Possible reason Solution The magnet system The helium level was Refill helium at least to the Bruker Service quenches during too low for minimum allowed level (see de-energizing. de-energizing. Appendix, Technical Data). The Power Supply is Replace Power Supply.

  • Page 55: Troubleshooting Work

    Check the nitrogen turrets for icing. Start the refill with liquid helium as soon as possible after the quench (within one hour after the quench; refer to the supplied Refilling Procedure). Contact Bruker Service immediately. ZTKS0243 / Z31993 / Rev.: 01...
  • Page 56 Troubleshooting If the quench occurs unattended or helium transfer was not possible within one hour after the quench, it is recommended to warm up the system to 90 K. ZTKS0243 / Z31993 / Rev.: 01...

  • Page 57: Maintenance

    Maintenance Maintenance must be performed only with approved qualification. In case of doubt contact Bruker Service. For contact information see page 9 of this document. Safety Approved Persons Bruker Service, Approved Customer Personnel WARNING Magnetic Field (see page Cryogenic Agents (see...

  • Page 58: Cleaning

    • Record the filling session. Deviation from estimated consumption may be used for identification of troubles. In this case contact Bruker Service. • Check the nitrogen level. weekly Cryostat Approved Customer • Refill liquid nitrogen if necessary...

  • Page 59: Disassembling

    Disassembling Safety Approved Persons: Bruker Service only ZTKS0243 / Z31993 / Rev.: 01...
  • Page 60 Disassembling ZTKS0243 / Z31993 / Rev.: 01...

  • Page 61: A Appendix

    Appendix Warning Signs Figures Tables Glossary / Abbreviations Technical Data Index ZTKS0243 / Z31993 / Rev.: 01...
  • Page 62 Appendix ZTKS0243 / Z31993 / Rev.: 01...

  • Page 63: Warning Signs

    Appendix Warning Signs Danger Key Word and Symbol .................. 15 Warning Cryogenic Agents ..................19 Electricity ....................... 19 Gas under Pressure ..................20 Heavy Weights ....................22 Intended Use ....................16 Key Word and Symbol .................. 15 Low Temperatures ..................21 Magnetic Field ....................
  • Page 64 Appendix ZTKS0243 / Z31993 / Rev.: 01...

  • Page 65: Figures

    Appendix Figures Figure 1.1: General View of a Magnet System with 2 Helium Turrets ....12 Figure 2.1: Safety Devices of the Cryostat with 2 Helium Turrets......26 Figure 3.1: Packaging (without surrounding panels)..........29 Figure 3.2: Transportation by Forklift - front side ........... 31 Figure 3.3: Transportation by Forklift - rear side ............
  • Page 66 Appendix ZTKS0243 / Z31993 / Rev.: 01...

  • Page 67: Tables

    Appendix Tables Table 7.1: Maintenance Timetable............... 58 Table A.1: Environmental Conditions ..............71 Table A.2: Dimension Cryostat - Front View ............73 Table A.3: Dimensions Cryostat - Top View ............74 Table A.4: Cryogenic Agents................75 Table A.5: Nitrogen Level Sensor ................ 78 Table A.6: Helium Level Sensor................
  • Page 68 Appendix ZTKS0243 / Z31993 / Rev.: 01...

  • Page 69: Glossary / Abbreviations

    Appendix Glossary / Abbreviations Glossary Description Any kind of package used to protect sensitive parts during transportation. Cryostat The collective of all parts providing a temperature of 4 K inside for the superconducting magnet. The cryostat also provides the safety devices and the access ports for the cryogenic agents and electricity.
  • Page 70 Appendix ZTKS0243 / Z31993 / Rev.: 01...

  • Page 71: Technical Data Ms 400'89 Ascend Dnp

    Technical Data MS 400‘89 Ascend DNP Technical Data MS 400‘89 Ascend DNP A.5.1 Technical Data Cryostat Environmental conditions Value Unit Minimum surrounding temperature °C Maximum surrounding temperature °C Maximum relative humidity up to 31°C Maximum relative humidity between 31°C and 40°C 80-50 linear decreasing Table A.1:...
  • Page 72 Technical Data MS 400‘89 Ascend DNP Dimensions Cryostat Front view Figure A.1: Dimension Cryostat - Front View ZTKS0243 / Z31993 / Rev.: 01...
  • Page 73 Technical Data MS 400‘89 Ascend DNP Dimensions Cryostat Value Unit 3480 Operational Ceiling Height D-RT Diameter RT Bore Tube Diameter RT vessel Diameter Bottom Plate 1205 Height Cryostat (bottom plate to top flange) 1604 Height Cryostat (minimum height for transportation) 1763 Height Cryostat (bottom plate to flow system) Height Magnet Stand (floor to bottom plate)
  • Page 74 Technical Data MS 400‘89 Ascend DNP Top view Figure A.2: Dimension Cryostat - Top View Dimensions Cryostat Value Unit 1236 1116 1375 Table A.3: Dimensions Cryostat - Top View 1. Keep at least an additional free space of 1.5 m around the magnet system for service. ZTKS0243 / Z31993 / Rev.: 01...
  • Page 75 Technical Data MS 400‘89 Ascend DNP Fill Volume, Evaporation Rate and Hold Time Cryogenic Agents Value Unit Nitrogen vessel total volume Nitrogen refill volume Nitrogen evaporation rate ml/h days Nitrogen hold time Helium vessel total volume Helium refill volume Helium evaporation rate (sweep coil persistent mode) ml/h days Helium hold time...
  • Page 76 Technical Data MS 400‘89 Ascend DNP Nitrogen Level Graph Figure A.3: Nitrogen Level Graph ZTKS0243 / Z31993 / Rev.: 01...
  • Page 77 Technical Data MS 400‘89 Ascend DNP Helium Level Graph Figure A.4: Helium Level Graph ZTKS0243 / Z31993 / Rev.: 01...
  • Page 78 Technical Data MS 400‘89 Ascend DNP Nitrogen Level Sensor The Nitrogen Level Sensor is inserted in the recommended nitrogen turret. 6 lights display the nitrogen level. Nitrogen Level Sensor Material No. Value Unit Level Sensor Type Z122404 12/1126/860 Diameter Overall length 1126 Active length Table A.5:...
  • Page 79 Technical Data MS 400‘89 Ascend DNP Helium Level Sensor The Helium Level Sensor is inserted in the helium fill-in turret. Helium Level Sensor Material No. Value Unit Level Sensor Type Z58103 1500/874 Overall length 1500 Active length Calibration 0 %, Calibration resistor Z53168 Ω...
  • Page 80 Technical Data MS 400‘89 Ascend DNP Temperature Sensors The temperature sensors (PT 100 and IBT) will be used to monitor the temperature of the magnets during cooling and warming up of the magnet system. PT 100 Measure the resistance with a maximum current of 1 mA. Temperature Unit Resistance...
  • Page 81 Technical Data MS 400‘89 Ascend DNP IBT Carbon Resistor Measure the Resistance with a maximum current of 0.1 mA. Temperature Unit Resistance Unit Room Temperature Ω Liquid Nitrogen Ω Ω Ω Ω Ω Ω Ω Liquid Helium Ω Table A.8: Characteristic Values IBT Figure A.8: Characteristic Curve IBT...
  • Page 82 Technical Data MS 400‘89 Ascend DNP A.5.2 Technical Data Magnet Technical Data Magnet Value Unit Proton frequency Central field 9.39 Coil inductance 59.5 Magnetic energy 527.9 Magnetic center from bottom flange (design value) 365.1 Maximum drift rate 0.01 ppm/h Hz/h Table A.9: Specification of the Magnet Operating modes of the Magnet System:...
  • Page 83 Technical Data MS 400‘89 Ascend DNP Fringe Field Plot Figure A.9: Fringe Field Plot Fringe Field Unit R max Unit Z max Unit 0.26 0.42 0.54 0.82 0.62 0.92 0.87 1.23 1.10 1.50 1.52 1.99 1.93 2.47 0.05 2.45 3.09 max magnetic field B0 at access point max field gradient dB/dz at access point Table A.10:...
  • Page 84 Technical Data MS 400‘89 Ascend DNP Technical Data Sweep Coil Technical Data Sweep Coil Value Unit Sweep coil strength 37.8 Maximum sweep coil current range ± 20 Maximum sweep coil field ± 750 Helium evaporation rate (sweep coil driven mode 20 A) 1500 ml/h Table A.11:...
  • Page 85 Technical Data MS 400‘89 Ascend DNP Current Lead Figure A.10: Current Lead 55 pins ZTKS0243 / Z31993 / Rev.: 01...
  • Page 86 Technical Data MS 400‘89 Ascend DNP Sweep Current Lead Figure A.11: Sweep Current Lead 55 pins ZTKS0243 / Z31993 / Rev.: 01...
  • Page 87 Technical Data MS 400‘89 Ascend DNP Wiring Diagram Magnet Figure A.12: Wiring Diagram Magnet (refer to Figure A.9) ZTKS0243 / Z31993 / Rev.: 01...
  • Page 88 Technical Data MS 400‘89 Ascend DNP Wiring Diagram Magnet Control Figure A.13: Wiring Diagram Magnet - Control ZTKS0243 / Z31993 / Rev.: 01...
  • Page 89 Technical Data MS 400‘89 Ascend DNP Wiring Diagram Magnet Diagnostic and Temperature Sensors Figure A.14: Wiring Diagram Magnet - Diagnostic and Temperature Sensors ZTKS0243 / Z31993 / Rev.: 01...
  • Page 90 Technical Data MS 400‘89 Ascend DNP Shorting Plug Remove the shorting plug before inserting the current lead or the sweep current lead. Figure A.15: Shorting Plug 55 pins 1 Shorting Plug Tool for fitting and removing the shorting plug 2 Shorting Plug 3 Shorting Plug - view from pin side ZTKS0243 / Z31993 / Rev.: 01...
  • Page 91 Technical Data MS 400‘89 Ascend DNP Sweep Current Lead Mounting Device Insert the sweep current lead after removing the current lead. Figure A.16: Sweep Current Lead Mounting Device M 16 socket ZTKS0243 / Z31993 / Rev.: 01...
  • Page 92 Technical Data MS 400‘89 Ascend DNP This page is intentionally left blank ZTKS0243 / Z31993 / Rev.: 01...
  • Page 93 Technical Data MS 400‘89 Ascend DNP Resistance at Room Temperature _ _ _‘_ _ _‘_ _ _‘ _ _ Connector Description Value Unit From: PIN V 19 PIN Con CONTROL Main Heater Ω PIN S 19 PIN Con CONTROL From: PIN D 19 PIN Con CONTROL Z Heater...
  • Page 94 Technical Data MS 400‘89 Ascend DNP Sweep Current Lead Resistance _ _ _‘_ _ _‘_ _ _‘ _ _ Connector Description Value Unit From: B, J, C,D 10 Pin Sweep Sweep Coil +/- Ω G, H, F, K 10 Pin Sweep From: 10 Pin Sweep Sweep Coil Heater...
  • Page 95 Check the "minimum level for energizing" (see page 77). During energizing the Z shim heater must be permanently ON. Energizing Currents Sense voltage Remarks Bruker Test Site [mV] Overshoot (0._ _% of final current) Overshoot 10 Minutes break at overshoot current...
  • Page 96 Technical Data MS 400‘89 Ascend DNP Cycling Assignment and Shim Currents _ _ _‘_ _ _‘_ _ _‘ _ _ (recommended only for 500 MHz and more) Cycling Assignment and Shim Currents Value Unit Time between energizing and cycling Time between cycling and shimming Current rate A/min Z-Shim current...
  • Page 97 Technical Data MS 400‘89 Ascend DNP Energizing Currents _ _ _‘_ _ _‘_ _ _‘ _ _ Energizing Currents Value Value Value Unit Bruker Test Customer Customer Site Site #1 Site #2 Magnet main current Z-Shim current -Shim current -Shim current X–Shim current...
  • Page 98 Technical Data MS 400‘89 Ascend DNP Deenergizing Assignment and Currents _ _ _‘_ _ _‘_ _ _‘ _ _ Deenergizing Currents Sense voltage Remarks Bruker Test Site [mV] through external diodes Total deenergizing time [min] Table A.19: De-energizing Assignment and Currents...
  • Page 99 Technical Data MS 400‘89 Ascend DNP Nitrogen Refill Report Nitrogen level Nitrogen level Refill Volume Date, Time Signature before refill [%] after refill [%] [ l ] ZTKS0243 / Z31993 / Rev.: 01...
  • Page 100 Technical Data MS 400‘89 Ascend DNP Nitrogen Refill Report Nitrogen level Nitrogen level Refill Volume Date, Time Signature before refill [%] after refill [%] [ l ] ZTKS0243 / Z31993 / Rev.: 01...
  • Page 101 Technical Data MS 400‘89 Ascend DNP Helium Refill Report Helium level Helium level Refill Volume Date, Time Signature before refill [%] after refill [%] [ l ] ZTKS0243 / Z31993 / Rev.: 01...
  • Page 102 Technical Data MS 400‘89 Ascend DNP Helium Refill Report Helium level Helium level Refill Volume Date, Time Signature before refill [%] after refill [%] [ l ] ZTKS0243 / Z31993 / Rev.: 01...

  • Page 103: Index

    Index Index Attachment Points ........32 Cleaning Staff ........... 14 Complaint Process ........30 Cryogenic Agents .......18 Cryostat ..........12 Disturbances ..........50 Drop-off Plate ........... 27 Electricity ..........19 Emergency ..........28 Emergency Exit ........25 Fire Department ........28 First Aid for Cold Burns ......
  • Page 104 Index Protective Clothes ........24 Protective Gloves ........24 Protective Goggles ........24 Quench ..........20 Quench Valve ...........27 Rescue Equipment ........28 Safety Devices .........26 Safety Shoes ..........24 Safety Valve ..........27 Shock Watch ..........30 Slippage ...........21 Spontaneous Ignition ........21 Tilt Watch ..........30 Tilting ............22 Transportation ..........23 Warranty ...........11 ZTKS0243 / Z31993 / Rev.: 01...
  • Page 105 Alteration Type: August First version according to the specific form of the Corporate 2011 Guide Line and the definition from the Bruker documentation group and a new order of content. September Update and released fringe field data and related directives.
  • Page 106 Bruker, your solution partner Bruker provides a world class, market leading range of ana lytical solutions for your molecular and material research needs. Our solution oriented approach enables us to work closely with you to identify your specific needs and deter mine the best solution package for you from our comprehen sive range.

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