Vacuum Degasser user manual
Contents
1. used in series to increase the efficiency even more The vacuum pump is operated at a constant speed The Vacuum Degas ser vacuum level is not regulated in any way The maximum vacuum level reached is the physical maximum possible with the system setup consist ing of vacuum chamber s and vacuum pump 10 2 1 1 Working Principle The solvent flows through a short length of Teflon capillary inside a sealed chamber This chamber vacuum chamber is completely sealed to the environment and vacuum is applied with a pump This vacuum pump decreases the pressure inside the chamber to near vacuum Due to this vacuum any dissolved gases in the solvent running through the inner capillary are removed through its semi permeable mem brane wall The high efficiency of the Teflon AF material allows the usage of a very short length of capillary inside the vacuum chamber This low dead volume offers a quick solvent exchange and very short equilibration time Inlet Vacuum Sensor Vacuum Pump Fig 1 Working Principle 2 1 2 Front Panel Description The front panel of the Vacuum Degasser houses the solvent inlets and out lets and the operational controls Element B UP acia Solvent Inlets Solvent Outlets S 8515 VACUUM DEGASSER A gt QRO O Fig 2 Front Panel 11 2 1 3 Back Panel Description The back panel of the Vacuum Degasser houses the communication inter fa2. wish to use Confirm the selection by pressing UP and DOWN together Select Mode Stored Fig 6 Operation Mode Selection Confirmation 19 4 2 Continuous Operation Mode In Continuous Operation Mode the vacuum pump can be set to 3 different speeds Low Medium or High By pressing the UP or DOWN keys the motor speed can be selected Under normal operation it is recommended to keep the motor speed at Low The motor speed does not effect the maximum vacuum level just the time in which the vacuum level is reached 4 3 Hysteresis Operation Mode In Hysteresis Operation Mode the vacuum degasser switches off the vacu um pump as soon as the vacuum level of 800 mBar is reached and switch es on again if the vacuum level falls below the hysteresis level of 780 mBar Hysteresis Mode 20 21 APPENDIX A SPECIFICATI A 1 Technical Specifications A 1 1 Vacuum Chamber of Channels Degassing Technique Wetted Materials Volume per Channel Inner Diameter Capillary Degassing Efficiency A 1 2 Vacuum Pump Mechanism Wetted Material Fumes only A 1 3 Instrument Dimensions Weight Power Supply 1 2 3 or 4 Applied vacuum through semiperme able membrane Teflon AF Stainless Steel lt 500 ul 1 1 mm lt 20 dissolved gases remaining in water at 1 0 ml min Stepper Motor driven membrane pump Teflon Aluminium EPDM 125 x 167 x270 mm W x H
3. x D 3 2 kg 100 250 V 47 63 Hz 20 W Determined by internal testing method O enriched water is de gassed by the Vacuum Degasser and the O content is measured by an oxygenemeter to determine the remaining content 23 A 2 Environmental Conditions A 2 1 Operational Conditions Ambient Temperature 10 C to 35 C Ambient Relative Humidity 20 to 80 RH non condensing A 2 2 Storage Conditions Ambient Temperature 20 C to 60 C Ambient Relative Humidity 201080 RH non condensing 24 APPENDIX B ACCESSORIES B 1 Standard Accessories The Vacuum Degasser is delivered with the following standard accessories 1x 2x 2x 1x 2x Power Cord EU Type 1 8 Capillary FEP 1 m per Channel 1 8 Fitting amp Ferrule PVDF per Channel Operation Manual this Fuse 2 A 25 APPENDIX C VERSION CON D 1 Version History The Vacuum Degasser Operation Manual is subject to version control The version history is continued and noted on every document The access to the original document is restricted to the creating party The document is subject to periodical checks and can never reach an unchangeable state Version Release Date Description 1 0 2012 03 08 First Release 27
4. VACUUM DEGASSER 1 CHANNEL 2 CHANNEL 3 CHANNEL 4 CHANNEL USER MANUAL ar C DOWN 4 S 8515 VACUUM DEGASSER T Q ONO VERSION 1 0 2012 03 08 TABLE OF CONTENTS 1 1 1 1 1 1 2 1 2 1 1 2 2 1 2 3 1 2 4 2 2 1 2 1 1 2 1 2 2 1 3 2 2 2 2 1 2 3 3 3 1 3 2 3 3 4 4 1 4 2 4 3 Introduction How to Use this Manual Symbols Safety Information General Safety Information Intended Purpose Environmental Safety Electrical Safety Instrument Overview Instrument Description Working Principle Front Panel Description Back Panel Description Instrument Operational Controls Status Screen Instrument Communication Interface Instrument Setup Unpacking Eluent Connections Gas Connections Instrument Operation Setting Operation Mode Continuous Operation Mode Hysteresis Operation Mode Appendix A Specifications A l A 1 1 A 1 2 A 1 3 A 2 A 2 1 A 2 2 Technical Specifications Vacuum Chamber Vacuum Pump Instrument Environmental Conditions Operational Conditions Storage Conditions Appendix B Accessories B 1 Standard Accessories Appendix C Version Control Cl Version History owwu1ooooO0 uu u 12 13 13 14 15 15 16 17 19 19 20 20 23 23 23 23 23 24 24 24 25 25 27 27 1 INTRODUCTION 1 1 How to Use this Manual This manual is designed as a reference to the installation operation and maintenance of the Vacuum Degasser I
5. ce and power supply connector A Element MAINS 50 60 Hz POWER 100 240 V FUSE 2 0 AT Fig 3 Back Panel 12 2 2 Instrument Operational Controls The Vacuum Degasser features a full color TFT display and keyboard for adjusting the instrument settings 2 2 1 Status Screen After turning on the instrument the Status Screen is shown on the display Continuous Mode Current Vacuum Current Operation Mode Selected Vacuum Fig 4 Status Screen Operation Mode At the top of the screen the currently selected Operation Mode is dis played The 2 possible operation modes are Continuous Mode and Hys teresis Mode Vacuum In the center of the screen the current Vacuum Level is displayed in 950 pressure in Vacuum Chamber mBar Vacuum Pump Speed In the lower left corner of the screen the selected Vacuum Pump speed is displayed The pump can be run in 3 different speed settings Low Medium and High 13 2 3 Instrument Communication Interface 14 The Vacuum Degasser features a standard RS 232 serial communication interface Pin Function bm 6 rom as pps 3 INSTRUMENT SETUP 3 1 Unpacking Remove the Vacuum Degasser from its package and put it on the working desk Check the instrument thoroughly for any damage that may have oc curred during shipping Contact your supplier in case of any damages Check the accessories shipped with t
6. he instrument if everything is com plete and in good condition 15 A 3 2 Eluent Connections Connect the 1 8 PVDF tubings to the eluent inlets and outlets as shown in the following figure Use the fittings and ferrules shipped with the instru ment to connect the capillaries AR WARNING Make sure that the eluent bottles are on a higher level than the Vacuum Degasser so that the eluent can freely flow downwards 16 From Eluent Bottle D To Pump Inlet D From Eluent Bottle C Pump Inlet C From Eluent Bottle B Pump Inlet B From Eluent Bottle A m Pump Inlet A n_ ada Fig 4 Eluent Connections 3 3 Gas Connections Connect the supplied gas tubing blue colored to the GAS OUT connector on the backside of the instrument When working with aggressive and or toxic solvents make sure that any fumes from the GAS OUT connector is properly disposed of and not evaporated into the working area CE To Fume Exhaust Fig 5 Gas Connections 17 4 INSTRUMENT OPERATION 4 1 Setting Operation Mode The Vacuum Degasser can be run in 2 Operation Modes Hysteresis Mode and Continuous Mode The Operation Mode can be set when the instrument is switched on After the logo with the firmware version is shown on the display hold the UP key Select Mode lt Continuous gt Hysteresis Fig 5 Operation Mode Selection Use the UP and DOWN keys to select the Operation Mode you
7. t is strongly recommended to review this manual before operating the in strument The content of this manual is subject to change without notice This docu ment is believed to be complete and accurate at the time of publication The Manufacturer is not liable for any damage resulted from the use of this manual 1 1 1 Symbols Throughout this manual important text sections are marked with the fol lowing symbols This section includes important information for the proper opera tion of the instrument Failure to follow this information may result in faulty behaviour of the instrument and or wrong analysis results This section emphasis some detailed information intended to optimize the performance of the instrument or to give a better understanding of some technical details Qatar 1 2 Safety Information This instrument is compliant with all related standards as stated in Ap pendix B 1 2 1 General Safety Information The operation of any analytical instrumentation requires the operator to be familiar with the potential hazards of using chemical solvents To avoid personal injury and or damage to the instrument the operator is responsible to follow all safety information herein The Manufacturer assumes no liability for any damage resulted from not following any of these safety procedures 1 2 2 Intended Purpose This instrument is designed and certified as a general purpose laboratory instr
8. ument for research and routine analysis work only It is not certified for in vitro or other medical applications Any use outside this intended purpose does not fall with the manufactur ers liability 1 2 3 Environmental Safety Only operate the instrument in well ventilated areas If volatile or flam mable solvents are used with this instrument arrange for proper disposal of any waste and or fumes Always properly dispose any waste solvents Avoid open flames and sparks when working with flammable and volatile solvents In case of instrument leakage turn off the instrument and remedy the leak age problem immediately 1 2 4 Electrical Safety Always use the provided power cords Replace faulty power cords and other cables before operating the instru ment Always replace blown fuses with original spare fuses When the instrument s housing is open electrical connections will be ex The housing should only be opened by certified service personnel Damage of the instrument of injury may result from improper han dling 2 INSTRUMENT OVERVIEW 2 1 Instrument Description The Vacuum Degasser is an online degasser system with high efficiency Dissolved gasses are removed from the solvents by applying vaccum to a semi permeable membrane The Vacuum Degasser is available as 1 Channel 2 Channel 3 Channel or 4 Channel version Each solvent channel can used for a different solvent or several channels can be
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