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multi N/C pharma UV 

Maintenance and care 

69 

 

ATTENTION 

To carry out regular inspections and maintenance tasks always ensure that the doors 

and the left side wall of the analyzer are freely accessible. 

 

ATTENTION 

Ensure that all connections are gas-tight again after servicing: 

 

Do not insert the Fingertight screw connections twisted! 

 

Tighten all screw connections finger-tight! 

 

Check the system for leaks (see section "Checking the system for tightness" p. 84). 

 

 

7.2

 

Adjustment and setup tasks 

7.2.1

 

General notes for adjusting the autosampler 

During adjustment, the cannulas to the sample tray are adjusted so that they are 
optimally immersed into the sample tubes and/or wash cups. 

An adjustment of the sampler is necessary: 

 

before the first start  

 

after each change in the size of the sample tray 

 

during recommissioning after transport or storage  

Adjusting the AS 10 and AS 21 autosamplers is described in the "Connecting add-on 
devices" section, p. 38. 

 

 

7.2.2

 

Adjusting the AS vario autosampler 

 

ATTENTION 

The cannulas can bend! Before adjusting the sampler undo the screw connections of 

the sample aspiration and purging cannulas! 
 

For NPOC measurements, the immersion depth for automatic acidification (z position) 

depends on the immersion depth in position 1. Adjust the cannula in position 1 and 

check the adjustment by a test measurement. Make sure the cannula perforates the 
cover (for example aluminum foil) but does not enter the sample liquid when 

delivering the acid.  
1.

 

Start the multiWin software and wait for device initialization. 

2.

 

Select the

 

I

NSTRUMENT 

 

S

AMPLER ALIGNMENT

 menu command to open the window 

with the same name. 

3.

 

In the P

LEASE SELECT POSITION NEEDING ADJUSTMENT

 group, select 

NEEDLE

 from the list 

field. 

The autosampler arm will move over the adjustment points on the sample tray. 

Содержание Analytik Jena multi N/C

Страница 1: ...Operating Manual multi N C pharma UV TOC Analyzer...

Страница 2: ...lytik Jena GmbH Konrad Zuse Str 1 07745 Jena Germany Phone 49 3641 77 74 07 Email service analytik jena com http www analytik jena com 11 0110 003 23 A 01 2021 Analytik Jena GmbH Copyright 2021 Analyt...

Страница 3: ...h control gear 16 3 1 2 Components for sample preparation 16 3 1 3 Hose system 17 3 1 4 Components for gas drying and cleaning 20 3 1 5 NDIR detector 22 3 1 6 Indicator and control elements connectors...

Страница 4: ...AS vario autosampler 69 7 2 3 Adjust the NPOC purge flow 71 7 2 4 Adjusting the EPA sampler 72 7 3 Replacing the water traps 74 7 4 Replacing the halogen trap 77 7 5 Maintaining the UV reactor 78 7 5...

Страница 5: ...AS 21 42 Fig 20 Connections at the bottom of the sampler AS 21 43 Fig 21 Cannula holder for parallel purging 44 Fig 22 Layout of the AS 10 autosampler 46 Fig 23 EPA sampler 48 Fig 24 Rear of the EPA s...

Страница 6: ...Contents multi N C pharma UV 6...

Страница 7: ...y a warning triangle and a signal word The type source and consequences of the danger are stated together with notes on preventing the danger The elements of the control and analysis program are indic...

Страница 8: ...multi N C pharma UV is only ensured during proper use according to the information in this user manual The intended use also includes the adherence to the installation conditions prescribed by Analyti...

Страница 9: ...en attached to the analyzer and accessories Fire naked flame and smoking prohibited Warning against dangerous electrical voltage Warning against hazardous substances Warning against hot surface Warnin...

Страница 10: ...spective tasks This also applies if the respective person has already worked with or been trained on this kind of analyzer It is recommended that the operator have the operating personnel confirm the...

Страница 11: ...vice that the sensitive components at the front are protected by the closed doors The guide values and statutory limits for lifting and carrying loads without auxiliary equipment must be observed and...

Страница 12: ...cially authorized technicians The electrical components must be checked regularly by a qualified electrician Any defects such as loose connections faulty or damaged cables must be repaired without del...

Страница 13: ...en handling dangerous substances local safety codes and guidelines must be observed The following general notes do not replace the specific local regulations or the regulations in the EG safety data s...

Страница 14: ...tched off condition unless stated otherwise Prior to servicing or repair the energy and gas supplies must be disconnected and the analyzer must be vented Only use original accessories and original rep...

Страница 15: ...on an external PC All components of the analyzer to be operated or serviced by the user can be reached via 2 doors at the front The analyzer multi N C pharma UV consists of the following main componen...

Страница 16: ...ng the sample and reagent The carrier gas supply takes place via the second inlet At the top outlet of the reactor the measuring gas is routed via hose connections to the TIC condensate container Fig...

Страница 17: ...ponent accessory 1 TIC condensate container 2 Reagent bottle for phosphoric acid H3PO4 3 Reagent bottle for sodium peroxodisulfate Na2S2O8 4 Waste disposal 5 Ultra pure water bottle 6 Sample 7 UV reac...

Страница 18: ...implemented via a FAST connector FAST Fast Save Tight These connectors provide a tight transition between the hoses and connections with different diameters The soft sleeves prevent the risk of glass...

Страница 19: ...ed via an MFC mass flow controller IN At the device outlet the carrier gas flow is measured using an MFM mass flow meter OUT i e an automatic tightness check is carried out The result is displayed in...

Страница 20: ...our connections One connection at the top connects the TIC condensate container to the UV reactor via a hose supplying the wet measuring gas carrier gas mixture The gas is routed downwards on the insi...

Страница 21: ...er trap TC pre filter that retains aerosol and a smaller water trap disposable retention filter retaining rising water 1 Disposable retention filter 2 TC Pre filter Fig 10 Water traps The analyzer mul...

Страница 22: ...selective for the CO2 The CO2 molecules are detected by the measuring technology as long as they remain in the cell of the NDIR detector Due to fluctuations of the measuring gas during the CO2 measur...

Страница 23: ...the center of the backplate explains the different connections 1 Holder for mains fuse FUSE 2 Main switch to switch the analyzer on and off power switch 3 Mains connection main plug 4 Gas connection...

Страница 24: ...ioned in the drip pans behind the right hand door The reagent bottles must be labeled with a safety symbol and the designation of the content 3 1 8 Autosampler for the analyzer Four different autosamp...

Страница 25: ...o CO2 The digestion of the inorganic carbon takes place using H3PO4 in the TIC reactor from an additional sample aliquot 2 2 1 R H carbonic organic substance hv energy The generated CO2 is expelled us...

Страница 26: ...arbon is detected The sample is metered automatically via a syringe digested and the generated carbon dioxide is detected 3 3 2 TOC analysis During the TOC analysis the total organic carbon content of...

Страница 27: ...substances 3 3 5 NPOC analysis according to the NPOC plus method This method is particularly suited for the detection of low TOC contents in samples with high TIC contents or a high level of dissolve...

Страница 28: ...ndependently prepared standard to preclude the incorrect preparation of the calibration standard For measurements in the range of low concentrations 10 mg l the blank value of the preparation water mu...

Страница 29: ...user It is possible to select individual measuring points or measured values for the calculation of the current calibration manual outlier selection Individual standards can where required also be red...

Страница 30: ...bration separate calibration of TIC and TC channel measurement of samples and calculation of the analysis results Purging the acidified sample 3 to 5 min detection of the remaining TIC content concent...

Страница 31: ...litatively from the zero point with a given probability The verification limit should always be smaller than the lowest calibration measuring point The detection limit of the calibration specifies the...

Страница 32: ...teger 9 The calibration function is calculated from the net integers Mathematically this corresponds to a parallel movement of the calibration line The blank value for the preparation water is also co...

Страница 33: ...d These blank values can be taken into account for all measurements H3PO4 reagent for TIC branch IC blank value Na2S2O8 reagent for TC branch i e UV reactor TC blank value Measuring the reagent blank...

Страница 34: ...suitability tests are used to validate analytical methods and devices for documenting the suitability of the selected procedure For the TOC analysis in the ultrapure water range for pharmaceutical pu...

Страница 35: ...System effectiveness in rs TOC of the reference solution saccharose rss TOC of the system suitability solution p benzoquinone rw TOC the TOC water used preparation water The system is suitable if the...

Страница 36: ...roof surface Do not locate the analyzer near sources of electromagnetic interference Avoid direct sunlight and radiation from heaters onto the analyzer if necessary ensure air conditioning Never obstr...

Страница 37: ...delivery 4 2 Unpacking and placing the analyzer CAUTION The analyzer multi N C pharma UV must only be set up assembled and installed by the customer service department of Analytik Jena GmbH or traine...

Страница 38: ...ing operation There is a risk of injury crushing etc ATTENTION Do not obstruct the sampler during running operation The drives might be damaged Five different sample trays are available for the AS var...

Страница 39: ...Fig 15 Layout of the AS vario autosampler The autosampler AS vario has been fitted with a transport safety lock on the bottom of the autosampler Keep the transport lock for a later transport 1 Place...

Страница 40: ...nd of the tube into the opening in the cover of the waste bottle Attention Position the outlet tube at a constant incline If necessary shorten the tube Tube must not dip in the liquid 9 Place the samp...

Страница 41: ...oned in the guide rail 15 Connect the power supply to the grid 16 Check the configuration in the multiWin program via the INSTRUMENT SYSTEM INFORMATION menu command in the SET UP INFO window If necess...

Страница 42: ...e 24 V DC via external power supply Power consumption 30 W Dimensions WxDxH 260 mm x 350 mm x 310 mm Mains voltage of external power supply 100 240 V 50 60 Hz auto sensing The sampler is installed on...

Страница 43: ...tips protrude 1 2 cm over the tube edge and cannot touch the tubes when the autosampler arm is moving Secure the cannulas by slightly tightening the screw Attention the screws must not bend the cannu...

Страница 44: ...onnection of the cannula holder 9 Clip for the attachment of the hoses 1 Screw the cannula holder 7 to the autosampler arm if it is not preinstalled 2 Push the spacer 4 onto the two cannulas Lightly s...

Страница 45: ...r AS 10 WARNING Make sure that no liquid reaches the cable connections or the inside of the equipment or the power supply There is a danger of electric shock CAUTION Caution in the movement range of t...

Страница 46: ...equipment 3 Place a sample tube into position 1 of the sample tray 4 Insert the cannulas into the autosampler arm Manually adjust the height of the cannulas so that the cannula tips protrude 1 2 cm ov...

Страница 47: ...d reaches the cable connections or the inside of the equipment or the power supply There is a danger of electric shock CAUTION Caution in the movement range of the sampler arm and the cannula during o...

Страница 48: ...PA sampler 1 Connection hoses to the analyzer 2 Sample tray 3 Wash cup 4 Holding down clamp 5 Special cannula 6 Autosampler arm with cannula holder 1 Stirring arm 2 Autosampler arm 3 Type plate 4 Elec...

Страница 49: ...se of a service requirement etc 1 Autosampler arm 2 Transport retaining clip 3 Screws Fig 26 Transport lock 2 Fit the stirring arm Fit the arm to the bracket at the rear end of the sampler arm Screw o...

Страница 50: ...stic on the contact surface of the autosampler have to protrude into the drill holes in the tray floor 10 Insert piercing cannulas and holding down clamps into the autosampler arm For NPOC measurement...

Страница 51: ...fy the configuration Exit multiWin In the Windows user interface start the SET UP TOOL under START PROGRAM FILES MULTIWIN MULTIWIN SET UP TOOL Select the sampler type in the SAMPLER list Exit the SET...

Страница 52: ...omponents of the laboratory air CO2 organic vapors You can take the following precautions against this Keep the head room above the liquids as small as possible Cover the sample vials on the sample tr...

Страница 53: ...ts if the copper wool in the halogen trap is used up Replace the complete filling of the halogen trap if half of the copper wool is discolored black or the brass wool is discolored Always check the fo...

Страница 54: ...es a start up period of approx 10 minutes 7 If the analyzer is not ready for measurements after 15 minutes one or several components are still shown in red in the window SYSTEM STATE check the hose co...

Страница 55: ...weekends or holidays The analyzer must be purged before it is switched off 1 Click the EXIT button on the multiWin user interface The PROGRAM END window opens 2 Purging the analyzer For measurements w...

Страница 56: ...nitialization of the analyzer 2 Open the menu command MEASUREMENT CALIBRATION 3 In the subsequent query decide whether to select the method to be calibrated or load an already existing calibration tab...

Страница 57: ...entered as a value The preparation water blank value must be specified standardized to 1 ml If the preparation water blank value is not taken into account enter a 0 in the input field 9 Complete the c...

Страница 58: ...laying calibration results After completing the calibration measurements the calibration report is automatically opened in the window CALIBRATION CALIBRATION SETTINGS and can be edited The calibration...

Страница 59: ...alibration diagram The regression graph can be displayed in accordance with the regression for the program internal calibration coefficient determination x axis integer y axis mass or in accordance wi...

Страница 60: ...sting calibration Calibration coefficient method characteristics and regression graph are recalculated and redisplayed after each change The following items can be edited during a calibration Selectio...

Страница 61: ...s can only be added individually 6 4 4 Transferring calibration parameters to a method Transfer calibration parameters to a method as follows 1 Select an appropriate calibration range for the respecti...

Страница 62: ...rs e g NPOC TN can be changed Fig 33 Window Link to Method 6 The transfer of the calibration coefficients depends on whether a calibration range or several calibration ranges have been saved in the me...

Страница 63: ...linking of several ranges has taken place The following generally applies Pressing the button ACCEPT VALUES causes an automatic allocation of the calibration ranges by the software By pressing the bu...

Страница 64: ...eport into an export file The calibrationReport with the extension ajc is saved in the export directory CALIBRATION Export into a CSV file csv The CSV file is saved in the preconfigured directory defa...

Страница 65: ...ly by clicking the button MANUAL This is followed by the initialization of the analyzer 4 In the window SYSTEM STATE check the following entries Visual bank OK Gas flow OK UV lamp ON If one of the ent...

Страница 66: ...button OK 4 Fill the sample cups with the measuring liquid and place them onto the sample tray 5 Only for NPOC measurements with AS vario or EPA sampler Fill the acid cup with H2SO4 c 2 mol l and pla...

Страница 67: ...ble should be saved If you want to reuse the entries later open the default window for saving files with YES Next the window MEASUREMENT opens Start the measurement with START F2 and follow the instru...

Страница 68: ...s wool for discoloration daily Replace depleted copper brass wool if half the copper wool is discolored black or the brass wool is discolored TIC condensate container Maintenance task Maintenance inte...

Страница 69: ...ing recommissioning after transport or storage Adjusting the AS 10 and AS 21 autosamplers is described in the Connecting add on devices section p 38 7 2 2 Adjusting the AS vario autosampler ATTENTION...

Страница 70: ...ST button 5 Align the cannulas with the two adjustment points by carefully bending them Fig 36 Adjustment points on the sample tray Adjust the immersion depth of the sample aspiration cannula into the...

Страница 71: ...sition Repeat this step until the cannula position is optimal 10 Click SAVE The adjustment values will be taken over 11 Open the ALIGNMENT SAMPLER window again and click the corresponding button to mo...

Страница 72: ...POC needle valve 6 Regulate the desired NPOC purge flow Increasing the NPOC purge flow turn needle valve to the left Reducing the NPOC purge flow turn needle valve to the right 7 Relock the adjustment...

Страница 73: ...fastening screws of the cannula before performing the adjustment Clamp the cannulas into the holder such that the cannula tip does not get immersed in the sample tube The figure shows the installatio...

Страница 74: ...cannula may only dip low enough for the ventilation slot to be visible at the top edge of the wash cup 7 After each change of the x y z direction click the RINSE POSITION ADJUST or POSITION 1 ADJUST b...

Страница 75: ...nnector to hose no 11 7 Press the water traps into the clamps on the equipment back plate 8 Check the system for leaks see section Checking the system for tightness p 84 9 Close the front doors There...

Страница 76: ...s off the two clamps on the gas box 2 5 Pull the FAST connectors 1 and 5 off the water traps 6 Assemble the new water traps 7 The label INLET on the large water trap aerosol trap must face upwards and...

Страница 77: ...4 Pull out the depleted copper or brass wool from the U tube with a tweezers or a small hook 5 Check the U tube for cracks Only reuse a fully intact U tube 6 If required flush the U tube with ultrapu...

Страница 78: ...e the quotient which is then multiplied by 100 The UV lamp s illumination capacity is only sufficient if this ratio is between 85 and 115 The basis for this test is a sucrose standard solution with c...

Страница 79: ...n capacity of the lamp again after cleaning If the cleaning does not improve the illumination the UV reactor must be replaced by the customer service 7 6 Cleaning the TC condensation vessel CAUTION Th...

Страница 80: ...in the adjacent figure Push waste hose no 15 at least 1 cm onto the bottom lateral connection of the TIC condensate container First push hoses no 1 19 and 20 into the FAST connectors then plug the co...

Страница 81: ...lean paper towel 4 Remove the reagent bottles and drip trays from the analyzer 5 Unscrew the knurled head screw at the drive rod 2 6 Unscrew the glass cylinder 1 from the valve head 7 Dismantle the gl...

Страница 82: ...hoses no 16 and no 15 off the connections 4 Remove the conveyor belt with the pump hose from the pump body 5 Check the pump hose and the connections on excessive wear and cracks If moisture escapes f...

Страница 83: ...lacing the hose connections Check the hose connections regularly for leaks Remove and replace faulty hoses and hose connections Check the system for leaks see section Checking the system for tightness...

Страница 84: ...are e g found at the cannula and the syringe pump When replacing damaged Fingertight screw connections only use straight cut round and unpinched hose ends for the connection Slide the conical nipple w...

Страница 85: ...ma UV Maintenance and care 85 In inlet flow 140 ml min Out outlet flow 140 ml min 10 ml min ATTENTION If the outlet flow is significantly below the inlet flow of 140 ml min all connection points must...

Страница 86: ...r safety reasons For fault analysis it is possible to record log files The recording of log files should be enabled after consultation with the Analytik Jena GmbH service department for specific fault...

Страница 87: ...necessary select different interface in multiWin with menu command CONFIGURATION INTERFACE 6 Analysis device is busy Cause Remedy analyzer 10 min in the busy state initialize analyzer 5 communication...

Страница 88: ...pler and initialize analyzer check connection cable 15 Flow error in the window System state under gas flow Flow leak shown in red and in the window Measurement values of IN and OUT shown in red Flow...

Страница 89: ...inform Service 111 Rotator error Cause Remedy Drive incorrectly positioned e g jammed Drive faulty Initialize analyzer If the error cannot be corrected contact Service 112 Swivel drive error Cause Rem...

Страница 90: ...n reset the syringe pump initialize analyzer 409 Syringe pump pump sluggish Cause Remedy clogging of a hose line 6 or 7 search for cause and remedy fault replace hose line if necessary remove hose lin...

Страница 91: ...supply too low set carrier gas preliminary pressure to 4 to 6 bar pressure switch in the analyzer has tripped simultaneous error message in multiWin gas pressure error see gas pressure error error cod...

Страница 92: ...damage to the detector by components of the analysis gas 8 4 Equipment faults and analytical problems Other problems not detected by the system monitoring can also occur Starting a measurement is poss...

Страница 93: ...number of backwash cycles Scattering measured values Cause Remedy metering faulty metering syringe leaking check metering bubble free sample drawing check that sufficient sample is available install n...

Страница 94: ...nd tighten any loose connections Carry over Cause Remedy insufficient syringe rinse rinse the metering syringe with sample before the next injection under METHOD EDIT in the tab METHOD enter 3 for rin...

Страница 95: ...se the phosphoric acid pump and corresponding hoses with ultrapure water and then drain these components 2 Switch off the analyzer from the main switch and allow the equipment to cool down 3 Disconnec...

Страница 96: ...e is thus prevented 9 1 3 Preparing the autosampler AS vario for transport ATTENTION Before transporting the autosampler the transport lock has to be installed otherwise the drives might be damaged 1...

Страница 97: ...feature any handles firmly grip the device from the bottom and make sure prior to simultaneous lifting the device that the sensitive components at the front are protected by the closed doors Observe...

Страница 98: ...ng the water traps p 74 6 Install the TIC condensate container see section Cleaning the TC condensation vessel p 79 7 Close the doors of the analyzer 9 3 2 Connecting the analyzer CAUTION Always conne...

Страница 99: ...the sampler sampler 12 USB port for PC Make the mains connection as follows 1 Connect the low heat connection cable to the mains connection at the rear of the analyzer 3 in Fig 41 p 99 2 Connect the...

Страница 100: ...the waste connection at the analyzer backplate and lead the loose end into a suitable waste container or drain 6 Open the front doors and place the reagent bottles with drip trays into the analyzer 7...

Страница 101: ...l its electronic components must be disposed of as electronic waste in accordance with the applicable regulations 10 4 UV module The UV module is equipped with a low pressure mercury vapor lamp For di...

Страница 102: ...les and drip trays from the analyzer 5 Remove the right side panel from the analyzer Unscrew the four attachment screws The screws are captive and remain attached to the panel Disconnect the grounding...

Страница 103: ...03 8 Remove the complete UV module towards the back and the right 9 Disconnect the plug in connector from the connection in the analyzer 10 Detach hose no 23 from the PTFE screw joint on the UV module...

Страница 104: ...medium approx 80 C Carbon detection NDIR coupled with VITA method Sample volumes 0 05 20 ml Sample Feed Flow injection Gas supply Nitrogen minimum 5 0 Argon minimum 4 6 Preliminary pressure 4 6 bar Ga...

Страница 105: ...ion class I The casing has protection class IP 20 The analyzer conforms to the safety standards EN 61010 1 EN 61010 2 081 EN 61010 2 051 for operation with sampler The analyzer has been checked for in...

Страница 106: ...safety and operating instructions contained in this manual For accessories which have also been supplied and system components from other manufacturers their operating instructions should be referred...

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