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Fig. 69

Under «

KF Trac

e» the titrator to be used for the titration is selected. In the «

Oven

» section, the oven to be used

is selected. Depending on the connected system, the TO 7280 or the TW 7650 can be selected.

3.3.2

Working with the TO 7280

After selecting the oven, the additional oven options open (Fig. 70).

Fig. 70

You have the following options:



Gas source

»:

Selection between pump (ambient air) or gas (nitrogen).



Oven temperature

»:

Setting the working temperature of the oven.



Automatic fan control

»:

When the automatic fan is switched on, an additional fan switches on to

accelerate cooling processes.



Oven temperature Delta

»: Delta criterion above which the temperature reached is accepted.



Keep head down

After completion of a titration, the needle head remains down so that the

after method

»:

titrated sample vial can be used to measure a new base drift.

For general setup of a worklist see the TitriSoft .

Содержание SI Analytics TM 235 TO

Страница 1: ......

Страница 2: ... Version dieser Gebrauchsanleitung finden Sie auf unserer Webseite Die deutsche Fassung ist die Originalversion und in allen technischen Daten bindend Operating Manual Page 47 90 Important notes The operating manual is part of the product Before initial operation please carefully read and observe the operating manual and keep it For safety reasons the product may only be used for the purposes desc...

Страница 3: ...7650 67 2 7 Switching on the unit and initial conditioning 69 2 8 3 Working with the TO 780 and the TW 7650 70 General 70 3 1 3 1 1 The vials and the crimping tool 70 3 1 2 The 0 Vial 71 3 1 3 The blank measurement 71 Working with the TO 7280 Standalone 72 3 2 3 2 1 Standard methods and method parameters of the TitroLine 7500 KF trace 72 3 2 2 Initialization of the TO 7280 TW 7650 75 3 2 3 Conditi...

Страница 5: ... TW 7650 The TW 7650 allows serial titrations with automatic sample change to be carried out in combination with the TO 7280 The titrations are carried out in a sealed sample vessel vial which is placed in the sample tray The sample changer is controlled directly by the TO 7280 The TW 7650 has an easily exchangeable round sample plate The titration stand TM 235 TO includes a pump and a stirrer It ...

Страница 6: ...DC 11000 mA Power consumption 250 W Corresponds to protection class III Only use the power supply included in the scope of delivery or a power supply approved by the manufacturer Display 3 colored LED display blue red green Operating states error states and operating faults are signaled by color signals and flashing codes RS 232 C Interface Daisy chain function available RS 232 1 for connection to...

Страница 7: ...EN 61326 1 2013 Low voltage directive according to the Council Directive 2014 35 EU Testing basis EN 61 010 1 2010 for laboratory equipment RoHS Council Directive 2011 65 EU FCC Part 15B and ICES 003 Country of origin Germany Made in Germany Number of positions 1 x 0 Vial 49 sample positions Power supply Supply directly via the headspace Oven TO 7280 Housing Dimensions 42 x 45 x 46 cm W x H x D in...

Страница 8: ... 50 1000 U min adjustable via a control dial Gas flow meter Adjustable between 50 500 ml min Connections Power supply Low voltage input 12 V on the backside of titration stand Plug connection plug for low voltage connection phone jack Positive pole at pin contact inside contact 2 1 mm USA Japan Power supply via titrator TitroLine 7500 KF trace USB For connection to the TitroLine 7500 KF trace see ...

Страница 9: ...ior to switching the devices on it has to be ensured that the operating voltage matches the mains voltage The operating voltage is indicated on the specification plate underside of the devices and backside of the power supply Nonobservance of this provision may result in damage to the devices and the power supply or in personal injury or damage to property If the plate rotates the titration head m...

Страница 10: ...es used must be observed In such cases the use is the sole responsibility of the user For all work with chemicals Always wear protective glasses Please observe the memorandums of the employer s liability insurance associations and the safety data sheets of the manufacturers Dispose of all used solutions in accordance with national regulations and laws Select the type of protective equipment accord...

Страница 11: ...you therefore there may be deviations with regard to the described scope of delivery and the accessories Please refer to the enclosed packing list for the exact scope of delivery If you have any questions please contact us directly for the service address see backside of this operating manual The devices and all accessories as well as the peripheral devices have been carefully checked at the facto...

Страница 12: ...gen as carrier gas 3 Gas outlet for connection to the TO 7280 4 Power supply of the TM 235 TO 5 USB B connection The TitroLine 7500 KF trace is equipped with the following connections Fig 1 6 Connection of the generator electrode TZ 1752 7 Connection of the indicator electrode KF 1100 Two RS 232 ports Mini DIN 8 RS 1 for connection to the PC 9 RS 2 for connection of the TO 7280 TW 7650 10 Connecti...

Страница 13: ...left or right of the unit between the titrator and the oven Fig 2 Fig 2 Connect the TM 235 TO to the rear of the unit 12 V socket out with the connection cable TZ 1577 Fig 3 To control the TM 235 TO it must also be connected to the titrator via USB Fig 4 Fig 3 Fig 4 ...

Страница 14: ...lar sieve or an externally connected gas cylinder nitrogen The following pictures show an example of the use of the gas inlet Nitrogen is used in the same way via the gas inlet see Fig 1 The safety regulations for handling gas and pressurized gas cylinders must be observed When using ambient air a connecting hose with dust particle filter TZ 3995 Fig 5 is attached screwed to the gas inlet Fig 6 Fi...

Страница 15: ...er and a holder for the two drying bottles of the carrier gas Fig 8 These are connected to each other via the recess on the bottle holder and the lug on the side of the titration vessel holder Fig 9 Fig 8 Fig 9 The two holders can now be pushed onto the previously mounted stand rod Fig 10 Fig 10 ...

Страница 16: ... hoses and filled with molecular sieve are placed in the holder Fig 12 and Fig 13 The free shorter hose 1 is connected to the outlet of the pump The longer hose 2 is used for subsequent connection to the flow meter Fig 11 Fig 12 Fig 13 1 2 1 2 1 2 ...

Страница 17: ...trode is inserted into the rear NS 14 5 opening and connected to the titrator Fig 15 The double platinum electrode is also inserted into the rear NS 7 5 Fig 16 opening and connected to the titrator for the connection of the electrodes see the respective operating manual Fig 15 Fig 16 ...

Страница 18: ...nlet tip is placed in the front right NS 14 5 opening Fig 17 The front left NS 14 5 opening is used to fill the titration vessel and is then closed with a gas plug after adding the stirring bar Fig 18 Fig 17 Fig 18 ...

Страница 19: ... connections Fig 19 1 Power supply for connecting the supplied mains adapter 2 Main switch for switching on the oven Two RS 232 ports Mini DIN 3 RS 2 bottom for connection to a balance 4 RS 1 top for connection to the titrator 5 I O Port for connecting optional accessories 1 2 3 4 5 ...

Страница 20: ...ce oven TO 7280 to the left or right of the TM 235 TO The RS 1 of the oven Fig 20 is connected to the RS 2 of the titrator using the TZ 3094 Fig 21 cable included in the delivery Fig 20 Fig 21 The flow meter Fig 22 is screwed onto the bracket Fig 23 Fig 22 ...

Страница 21: ...65 Fig 23 The TZ 3993 hose 2 included in the scope of delivery Fig 24 is then attached to the upper outlet of the flow meter Fig 25 Fig 24 Fig 25 ...

Страница 22: ...way is screwed to the oven and the hose connected to the gas inlet of the oven Fig 26 Fig 26 With the second TZ 3993 tube the gas outlet on the needle head Fig 27 is screwed to the gas inlet tip on the titration cell Fig 28 Fig 27 Fig 28 ...

Страница 23: ...ator on the front of the TO 7280 signals the operating state On Fig 29 Installation of the TW 7650 2 7 The sample changer TW 7650 is connected directly to the oven TO 7280 The further installation is carried out analogous to section 2 6 Installation of the TO 7280 For the use of the TW 7680 the PC software TitriSoft is required The KF oven changer is supported from TitriSoft version 3 5 The connec...

Страница 24: ...he feet of the furnace as well as screws for firm fixation The furnace is placed on top and firmly screwed in place Fig 31 Fig 31 On the holder for the sample plate there is a nose which engages in a recess located on the plate to fix the plate in place Fig 32 Fig 32 ...

Страница 25: ...ching on the unit and initial conditioning 2 8 Set the stirring speed on the TM 235 TO Please do not forget the stirrer bar Now switch on the TitroLine 7500 KF trace the device starts the conditioning immediately If the anolyte has been freshly filled in the conditioning may last 10 20 minutes The drift indication is 1500 µg min at the beginning When the drift has dropped below 10 µg min the Titro...

Страница 26: ... aluminum cap Fig 36 In the case of liquids such as oil samples it must be ensured that the filling level in the vial is sufficient for the needle of the needle head to protrude into the sample and the gas flow can thus pass through the sample The crimping tool Fig 37 included in the scope of delivery is used for manual closing of the vials Fig 35 Fig 36 Fig 37 For closing the cap is placed on the...

Страница 27: ...t at the beginning of a measurement The starting conditions are defined in the method parameters 3 1 3 The blank measurement Before each sample titration a blank measurement of the vials is required This determines how much water is present in the air volume of the vial which is included in the sample measurement To determine the blank several blank vials are measured At least three measurements a...

Страница 28: ...he TitroLine 7500 KF trace is described in the corresponding On the TitroLine 7500 KF trace 4 Headspace methods Fig 41 are available as standard methods Fig 42 With Headspace With Headspace Blank With Headspace ppm With Headspace TitriSoft Fig 41 Fig 42 If the oven is to be used it must be activated in the corresponding method This is already preset in the standard methods From the main screen Fig...

Страница 29: ... 44 The settings for the oven can be found in the Titration parameters Fig 45 Fig 45 Under Oven parameters the oven is activated if necessary Fig 46 Fig 46 and the settings for the oven are made Fig 47 Fig 47 ...

Страница 30: ...gas nitrogen Via ESC you get back to the titration parameters Fig 48 Fig 48 Here you can set the start conditions of the titration Fig 49 Fig 49 You have the following options Startdrift Drift that must be reached before a method can be started Intervall Period over which the stability is determined Stability Stability criterion for the start drift The general stop criteria of a coulometric Karl F...

Страница 31: ...ig 50 Fig 50 After initialization a prompt is displayed asking whether there is a 0 vial in the oven Fig 51 Fig 51 3 2 3 Conditioning If there is a 0 vial in the oven press OK to confirm The needle head moves down and the gas supply is switched on If there is already a vial in the oven and a new one is to be inserted this is confirmed by START the gas supply is switched off and the needle head is ...

Страница 32: ...ed directly from the results screen via START without measuring a new 0 vial The previously determined basic drift will also be used for the new titration If the result screen is exited via ESC a new 0 vial can be inserted or the last titrated sample can be used as the new 0 vial Fig 55 A new 0 vial can be inserted via START The gas supply switches off and the needle head moves up Via OK the titra...

Страница 33: ...vial is inserted 3 2 4 Carrying out a sample measurement blank measurement When all start conditions are met the measurement can be started by pressing START The gas supply switches off and the needle head moves upwards Fig 57 Fig 57 The 0 vial is removed from the oven and the sample vial is inserted Fig 58 Fig 58 After confirmation via START the needle head moves down again the gas supply is swit...

Страница 34: ...s automatically Fig 61 and Fig 62 A description of the end criteria can be found in the of the TitroLine 7500 KF trace Fig 61 Fig 62 Pressing START from the results screen will raise the needle head and the next sample measurement can be taken By pressing ESC a new basic drift is determined ...

Страница 35: ...black lines in the temperature display Fig 64 Fig 64 If the connection to the oven is lost during operation this is indicated by a red temperature display Fig 65 Fig 65 Please check that the oven is correctly connected to the titrator and that it has been switched on In the oven service menu area a re initialization of the oven can be triggered after checking If the oven is still not found please ...

Страница 36: ...the needle head The movement also automatically controls the gas flow When driving up this is first interrupted when driving down it is switched on again Temperature oven Setting an oven temperature Furthermore a switch on temperature can be defined that is automatically set when the oven is switched on Furthermore the automatic fan can be switched on and off RS 232 settings Setting the RS 1 and R...

Страница 37: ...ure may be necessary If the TO 7280 TW 7650 is to be controlled via TitriSoft no method with activated oven must be selected on the titrator otherwise the communication between TitriSoft and oven is blocked The method with Headspace TitriSoft is available as default method 3 3 1 The titration command Coulometer Methods are created in the analysis center and the analysis procedures are programmed A...

Страница 38: ...Gas source Selection between pump ambient air or gas nitrogen Oven temperature Setting the working temperature of the oven Automatic fan control When the automatic fan is switched on an additional fan switches on to accelerate cooling processes Oven temperature Delta Delta criterion above which the temperature reached is accepted Keep head down After completion of a titration the needle head remai...

Страница 39: ... to point 3 of the following process description 1 Add the 0 Vial The following window Fig 72 is only displayed if the Change 0 via option is selected and a new background drift is to be recorded After confirmation the gas supply is switched off and the needle head moves up Fig 72 The vial in the oven is removed the new 0 Vial is inserted and confirmed with OK The needle head is moved down and the...

Страница 40: ... is inserted and confirmed with OK Fig 74 The status of the sample changes to Active Fig 75 and the measurement begins Fig 76 Fig 75 Fig 76 At the end of the titration a prompt to remove the sample vial is displayed after the gas supply has been turned off and the head has been moved upwards Fig 77 Fig 77 If the Leave head down at end of method option is activated in the method this message is not...

Страница 41: ...e asked if you want to continue with the work list Fig 78 Fig 78 After confirmation with YES a selection can be made again via the 0 Vial Fig 79 3 3 3 Working with the TW 7650 After selecting the changer the additional changer options will open Fig 80 Fig 80 ...

Страница 42: ...mmended If the sample changer is to be used it must also be selected in the worklist settings Fig 81 and Fig 82 Fig 81 Fig 82 Here you can also select whether to start again with the first sample after a complete run through the sample plate The plate of the sample changer has 50 positions whereby the first position is marked 0 This position is reserved for the 0 Vial Thus up to 49 samples can be ...

Страница 43: ...mp off Manually switches off the pump when using air as carrier gas Gas on Manually switches on the valve the nitrogen is supplied to the cell Gas off Turns the valve off manually the nitrogen is no longer supplied to the cell 2 TO 7280 Fig 85 You have the following options Init Starts a re initialization of the TO 7280 Head Up Moves the needle head to the top position The gas supply must be switc...

Страница 44: ...to the lowest position for sampling The gas supply must be switched separately Error messages 3 4 Error number Description Troubleshooting 401 The TO 7280 TW 7650 is not ready for operation Check if the oven is switched on and the cables are correctly connected to the titrator and PC 402 The TO 7280 TW 7650 is in a non initialized state or stop state e g after a work list has been aborted The oven...

Страница 45: ... Always when in use or when necessary Check screw connections for tightness on TM 235 TO Flowmeter Neadle head Gas inlet tube on the titration cell Weekly and on reactivation Check the hose system for damage and contamination Weekly and on reactivation Check the needle for damage bent and contamination blockage due to septum residues adherence of sample residues and clean if necessary Weekly Repla...

Страница 46: ...to be stored over some time or to be transported the use of the original packing will be the best protection However in many cases this packing will not be available anymore so that one will have to compose an equivalent packaging system Sealing the devices in a foil is hereby recommended The devices should be stored in a room with a temperature between 10 and 40 C and the relative humidity of the...

Страница 47: ......

Страница 48: ...xigences spécifiées pour le produit sont respectées Certificado del fabricante Certificamos que el aparato arriba mencionado ha sido controlado de acuerdo con la norma DIN EN ISO 9001 sección 8 2 4 Seguimiento y medición del producto y que cumple con los requisitos de calidad fijados para el mismo Hersteller Manufacturer Xylem Analytics Germany GmbH Am Achalaich 11 82362 Weilheim Germany SI Analyt...

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