AKF Oil Evaporator v1.1
Contents
1. Chapter 2 Safety Information 2 1 General Safety Points Ce ROHS COMPLIANT GR Scientific products are in conformity with the EU Directives 2004 108 EC and 2006 95 EC This is based upon the compliance of the products with the harmonised standards BS EN 61000 4 2 2009 BS EN 61010 2 030 2010 and BS EN 61326 1 2013 GR Scientific products are manufactured in accordance to ROHS following the EU Directive 2011 65 EU it does not contain any of the restricted substances in concentrations and applications banned by this directive 2 2 Electrical Safety The Aquamax KF Oil Evaporator complies with the international standard IEC 61010 Only operate this instrument within the mains voltage supply that is specified on the back the instrument an incorrect mains Supply can damage the instrument Never open the housing of the instrument only GR Scientific personnel who are trained to service the instrument can open the housing There is risk of electrocution if live components are touched Always ensure the instrument is disconnected from the mains power supply when connecting or disconnecting cables from the back of the instrument as electrostatic discharge can build up 2 3 Tubing and Connections A Leaks in the tubing are a safety risk if left without attention Ensure that all tubing is screwed into the connections tightly by hand without excessive force Breaks in the tubing connections or on the tubing can lead to spill2. O Switch 1 2 Gas Out Port 6 Power Input 3 4 Chapter 4 Instrument Set Up 4 1 Receiving an Aquamax KF Oil Evaporator 4 1 1 Packaging The Aquamax KF Oil Evaporator is packaged in suitable protective packaging to ensure that no damage occurs during transit only this packaging is suitable for the safe transportation during transit Please keep this packaging as transit of the instrument may need to occur in the future 4 1 2 Checks Once you have received the instrument immediately check to make sure that there is no damage and no parts are missing A delivery note will be included within the package to use to compare with the shipment Ensure that inside the shipment has a calibration certificate for the instrument if not please request this from the manufacturer 4 1 3 Location The Aquamax KF Oil Evaporator has been developed for indoor use only Locate the instrument within the work area where it is free from excessive vibrations direct sunlight contamination from chemicals explosive environments corrosive atmospheres major temperature fluctuations 4 2 Connecting the Power Supply The Aquamax KF Oil Evaporator is powered by an external mains source with a power pack to ensure this connection is the correct voltage of 24V DC for the instrument Damage may occur beyond repair and the user may be suspect to electric static shocks if the incorrect power is supplied Note Refer
3. preferably below 20 microgram per minute the unit is ready for sample analysis 4 4 Programming the Aquamax KF Coulometric Note Refer to the Aquamax KF Coulometer user manual Programme the titrator to provide results in ppm or 96 as required and select calculation mode W K Result ppm or 96 microgram count bl W XK Where W weight of sample dissolved approx 5 0 g K total volume of diluent sample 10 0ml K 10 volume injected into Aquamax 1 0ml bl micrograms of water for 1 0ml of diluent ug To allow time for the injected sample to be heated the water liberated and carried through to the titration vessel by the gas stream it is advisable to programme a Start Delay of for example 1 0 minute It can also be helpful to programme a Minimum Titration Time of for example 2 0 minutes To conform to ASTM D6304 add 5 0 01g of accurately weighed sample in a 10ml volumetric flask Make up to volume with dried hexane Shake the sample until it is completely dissolved in the solvent Inject 1ml of dissolved sample into the evaporator vessel and start the titrator Chapter 5 Basics of Operation 5 1 Switching ON and OFF The Aquamax KF Oil Evaporator has one l O switch and is powered by either a mains power supply using an adaptor or a built in battery for power Note Refer to Chapter 4 2 for power supply connections To avoid risk of electrocution make sure the I O switch is set to OFF before connecting th
4. Aquamax KF Oil Evaporator User Manual Edition 1 1 July 2015 Contents Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 ale o ee nenne 2 1 1 Instrument Description oocncocncncnnononinonanonnnonncanonnonacononacnnonanonoso 2 1 2 Principle of MeasureTnenl nnenn 2 1 9 Instrument Connections au ae 2 Safety Information nun 3 2 1 General Safety Points nn 3 2 2 BIOCIHEbdl Safety nee 3 2 9 Tubing and Connections anne 3 2 4 Solvent and Chemical Safety sess 3 25 Recycling and DE DOS A isaac 3 Instrument Overview o oooccccocococonoconoccnnccncoconorononcncncncncnnnono 4 3 1 System Schematic Overview serere 4 32 Front A 5 33 Der Ip sense ae 5 instrument SS ran 6 4 1 Receiving an Aquamax KF Oil Evaporator 6 Al PACK ON rata 6 Lago ee ee ene er ee ee 6 E A ee ee een 6 4 2 Connecting the Power Supply sees 6 4 3 Connecting to a Aquamax KF Coulometric T 4 4 Programming the Aquamax KF Coulometric T BASICS OF OSADO ui iaa 8 5 1 when ON OFF Meter 8 52 HOW to RUN a TOSE ona 8 5 3 Setting the Gas Flow Rate eese 8 5 4 Setting the Evaporator Temperature sss 8 5 5 Closing Down and Emptying the Vessel oooooo o 8 Technical Spe
5. Installation Quality Assurance and Certification Our dedicated service staff are on hand to help in the unlikely event that your equipment develops a fault Please contact us using the details provided to discuss the next step 8 4 Warranty Under the conditions of our warranty all faults which are proved to be due to material construction or manufacturing defects which occur within 24 months of the delivery date will be repaired or replaced at our discretion free of charge at our premises Freight costs will be chargeable along with any inspection work which was not necessitated by manufacturing or material defects Breakages of glassware or electrodes are not covered by this guarantee In the event of instrument failure during the warranty period written authorisation must be obtained from the manufacturer prior to shipping GR Scientific Building 69 Wrest Park Silsoe Bedfordshire UK MK45 4HS tel 44 0 1525 404747 fax 44 0 1525 404848 info grscientific com www grscientific com GRS cientific
6. ages check the connections regularly to avoid this 2 4 Solvent and Chemical Safety A When using flammable or irritant solvents and chemicals follow suitable safety measures to protect yourself and others around Always use the instrument in a well ventilated area clean up spilled fluids immediately and keep flame sources away from the work area Always follow the safety instructions of the chemical manufacturer and apply the correct countermeasures that are required 2 5 Recycling and Disposal AR This instrument is covered by the WEEE Waste Electronic and Electrical Equipment Directive 2012 19 EU to prevent the negative and harmful effects on the environment and public health For more information on how to dispose of the instrument safely please contact your local authority your local waste disposal company or GR Scientific directly idu 18 013u07 ainjeradua 2150 023A BACCI lew EDELOZ Assy uan yopma ano 4 jeyb g 8P250l N 3d gt S Qo gt jad Qo S jad o m S ok 8 ie Q 3 1 System Schematic Overview 5g mz 139 vone 3 2 Front Panel 1 Carrier Gas from Desiccant Bottle 2 Thermocouple 3 Temperature Meter 4 Gas Flow Meter 3 3 Rear Panel OGR entio Oil Evaporator 1 ne 51000 Es im Hae 51008 4 2 Krahn nn Ud ded NT o 5 3 6 7 1 Thermocouple Port 5 Fuse 3 4 Gas In Port 7 Bottle Clamp I
7. cifications uu suu uu nenne 9 Parts and ACC SSOMOS 2ueosoisiccnesistop i cdpsten ue pesas oes pu E Sega ERE nep ERR 9 Conformity and Warranty ooocococococccccccococncncncncncnonononono 10 8 1 Declaration of Conformity sonara enanas 10 82 Quality Control nennen 10 8 3 Customer Support and Service esses 10 84 WAI RR RET 10 Chapter 1 Introduction 1 1 Instrument Description Key personnel at G R Scientific are recognised experts in Coulometric Karl Fischer titration technology and electrochemistry They have designed and manufactured Coulometric titrators since the early 1980 s and are widely regarded as some of the leading specialists in this technique The Aquamax KF Oil Evaporator model 510000 has been designed as a stand alone unit so that it can be used in conjunction with most leading models of Coulometric and volumetric Karl Fischer titrators and to comply with the requirements of ASTM method D6304 Standard test method for determination of water in petroleum products lubricating oils and additives by Coulometric Karl Fischer titration 1 2 Principle of Measurement Karl Fischer titration is simply a means to measure water content of samples Modern instruments such as the Aquamax KF use the Coulometric principle This is an absolute technique which does not require calibration of the reagents For further information visit www grscientific com It is important to know the wate
8. e power supply from a mains source 5 2 How to Run a Test The Aquamax KF Oil Evaporator has one l O switch and is powered by either a mains power supply using an adaptor or a built in battery for power Confirm that Aquamax KF is in Ready mode and background drift is stable Flush 1 0ml syringe several times with dissolved sample 1 2 3 Fitluer needle and flush through with sample 4 Draw dissolved sample for analysis into syringe beyond the 1 0ml marking 5 Invert syringe so that any air bubbles can be ejected through the needle and adjust syringe plunger to the 1 0 ml mark 6 Wipe off excess sample from outside of needle using a clean dry tissue or paper towel 7 Press titrator START 8 Pierce needle through injection septa of oil evaporator vessel 9 Inject dissolved sample into the base oil 10 Withdraw syringe from evaporator vessel 5 3 Setting the Gas Flow Rate The gas flow meter has a needle valve which can be adjusted to change the gas flow rate Most applications should be run at 300 ml minute 1 Set the display to 0 30 2 Turn gas valve clock wise to decrease and anti clock wise to increase gas flow 3 Use the locking ring to lock into place 5 4 Setting the Evaporator Temperature 1 Press Set The display shows St 1 and then shows selected temperature 2 To change set temperature press arrows until desired temperature is shown then press Set to confirm n
9. ew value 3 The display will then return to standard view 5 5 Closing Down and Emptying the Vessel The evaporator vessel can be used for up to 20 sample analyses before it is necessary to empty When samples have been completed simply switch the evaporator to OFF and turn off the dry gas supply Disconnect the titration vessel gas inlet adaptor from the oil evaporator Allow the evaporator vessel to cool sufficiently before using a suitable size syringe or similar device to withdraw the base oil and sample mixture from the vessel Do not switch on the heater until the base oil has been replaced Chapter 6 Technical Specifications Model Heater Type Temperature Range Temperature Control Gas Flow Rate Gas Flow Control Carrier Gas Desiccant Power Supply Dimensions Weight Chapter 7 Part No 510000 401528 503086 503087 503088 503089 503091 503092 503093 503094 503095 503096 503097 503098 503099 503100 510000 Silicon Mat Heater Ambient to 200 C Digital Setting 300ml Minute Digital Setting Nitrogen Gas Not Supplied Molecular Siev 24v DC 100 240v AC 50 60 Hz 180 x 240 x 210 mm 3kg Parts and Accessories Product Aquamax KF Oil Evaporator All of the below is supplied with the instrument but are also available as spare items Power Adaptor Glass Vessel Vessel Lid Red Compression Fitting 4pk Injection Septa 20pk Vessel Gas Dist
10. r content of lubricating oils additives and similar samples to enable accurate prediction of performance and quality The presence of water in such samples could lead to corrosion and wear of machinery and reduce the effectiveness of the lubricating additives If you are analysing an unknown sample then we suggest plotting a graph of water content against temperature as per following example This will enable you to determine the best temperature range for a sample The two main parameters that you can change are gas flow rate and temperature We suggest using carrier gas flow rate of 0 30 litre per minute 300 ml min Oven temperatures are usually set between 120 150 C The maximum selectable temperature is 200 C and there is athermal cut out control above this temperature Water Content For most lube oils we would suggest flow rate of 0 3 litres per minute and temperature of 140 C Temperature 1 3 Instrument Connections Various ports are located on the back plate of the instrument Below is a list of ports that can be found 1 Power Supply Port The power supply port is for connecting to a 24V mains power supply using the supplied power adaptor 2 Thermocouple Port This port is for connecting the thermocouple 3 Gas Out Port This port is for connecting the tubing to the desiccant bottle for when the gas is released through the tubing 4 Gas In Port The gas in port is for connecting a carrier Gas supply
11. ribution Tube Pack 1 Large amp 3 Small O Ring Gas Inlet Tube with 3 way Cock Gas Outlet Tube Desiccant Bottle Bottle Molecular Sieve Thermocouple K Type Plastic Tubes 4pk Base Oil 1 litre Silicone Grease tube 10 Chapter 8 Conformity and Warranty 8 1 Declaration of Conformity GR Scientific products are in conformity with the EU Directives e 2004 108 EC Electromagnetic Compatibility Directive e 2006 95 EC Low Voltage Directive This is based upon the compliance of the products with the harmonised standards BS EN 61000 4 2 2009 Electromagnetic Compatibility Generic immunity standard Residential commercial and light industry e BS EN 61010 2 030 2010 Safety requirements for electrical equipment for measurement control and laboratory use Particular requirements for testing and measuring circuits e BS EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requirements General requirements 8 2 Quality Control The Aquamax KF Coulometric is adequately and professionally Quality Controlled to ensure that it is fully functional and to ensure that it meets all of the requirements that the instrument supports 8 3 Customer Support and Service We want you to maximise the return on your equipment through a service program tailored to your requirements from when you purchase our equipment which includes e Support and Repair Maintenance and Calibration raining and
12. ribution tube 6 Using a funnel measuring cylinder or suitable volume syringe add 10ml base oil to evaporator vessel 7 Connect gas sample inlet and outlet adapters to Aquamax KF titration vessel 8 Charge the titration vessel with 150ml anode and 10ml cathode reagents and allow to precondition as per titrator user manual instructions These larger volumes of reagents allow greater depth of reagent for the carrier gas to bubble through 9 Connect the outlet from vessel of oil evaporator to gas inlet adapter of titration vessel using short length tubing and elbow connector This distance between evaporator and titrator should be kept to minimum to reduce any problems of condensation in transfer tubing 10 Set oven temperature 11 Turn three way cock of gas inlet adapter so that gas flow is directed away from titration vessel out of the side arm This allows drying of all carrier gas lines up to the connection with titrator 12 Set gas flow rate 13 Vent the outlet adapter from titration vessel to fume hood or outdoors using some plastic tubing or similar 14 After the gas lines have been sufficiently dried divert the gas flow using the three way cock so that it bubbles through the titration vessel The background drift value of the titrator will increase whilst the gas lines are dried this process may take 30 90 minutes depending on how dry the carrier gas supply is 15 When background drift is relatively stable and
13. to Chapter 2 for more safety information To avoid risk of electrocution make sure the I O switch is set to OFF before connecting the power supply 4 3 Connecting to an Aquamax KF Coulometric 1 Fit gas inlet nipple to rear of evaporator 2 Locate small O rings and injection septa inside holes of vessel lid and screw in compression fittings Do not over tighten as other items will need to be fitted 3 Connect long length tubing to gas distribution tube feed through correct compression fitting and connect to desiccant bottle outlet fitting Gas distribution tube should be located at bottom of vessel to allow optimum bubbling of carrier gas through the base oil and samples Apply smear of silicone grease to large O ring of lid assembly before locating onto evaporator glass vessel Tighten compression fitting 4 Position thermocouple in vessel lid and tighten compression fitting Connect cable to rear panel of evaporator Position thermocouple so that it is half way between bottom of vessel and the line indicating base oil depth Do not locate so that it is touching bottom of vessel 5 Connect short length tubing to the inside of desiccant bottle lid This should be from carrier gas supply cylinder so that gas flows through maximum amount of desiccant Fill desiccant bottle with molecular sieve Locate filled desiccant bottle on rear of evaporator unit Outlet of desiccant bottle should be connected to the gas dist
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