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33 

 

 

 

Table 3

 Coordinates of the 72 position rack

 

 

7  Guarantee 

We provide guarantee for the device described for two  years from the date of purchase. This guarantee covers 
manufacturing faults being  discovered  within the mentioned  period  of two  years.  Claim under guarantee covers 
only the restoration of functionality, not any further claim for damages or financial loss. Improper handling/use or 
illegitimate  opening  of  the  device  results  in  loss  of  the  guarantee  rights.  The  guarantee  does  not  cover  wear 
parts, as lobes, cylinders, valves and pipes including the thread connections and the titration tips. The breach of 
glass  parts  is  also  excluded.  To  ascertain  the  guarantee  liability,  please  return  the  instrument  and  proof  of 
purchase together with the date of purchase freight paid or prepaid. 
 

8  Storage and transportation 

If  the  titration  sample  changer  TW 7450  has  to  be  stored  over  some  time,  or  to  be  dislocated,  the  use  of  the 
original  packing  will  be  the  best  protection  of  the  device.  However,  in  many  cases  this  packing  will  not  be 
available anymore, so that one will have to compose an equivalent packaging system. Sealing the lower section 
in a foil is hereby recommended. The devices should be  stored in a room with a temperature b10 and 
+40°C, and the (relative) humidity of the air should not exceed 70 %. 
 

9  Recycling and Disposal 

Please  observe  the  applicable  local  or  national  regulations  concerning  the  disposal  of  “waste  electrical 
and 

electronic equipment” 

 

The  titration  sample  changer  TW 7450  and  his  packaging  are  manufactured  as  far  as  possible  from  materials 
which  can  be  disposed  of  environmental-friendly  and  recycled  in  a  technically  appropriate  manner.  If  you  have 
any question regarding disposal, please contact the service (see backside of this manual). 
 

 

Содержание TW 7450

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 19 34 Important notes The op...

Страница 3: ...the TW 7450 25 2 2 System Preparations 26 2 3 2 3 1 Connection of the titration tower 26 2 3 2 Mounting the titration head 27 2 3 3 Electrodes titration tips stirrers 28 2 3 4 Using the sample changer...

Страница 4: ...Copyright 2022 Xylem Analytics Germany GmbH Reprinting even as excerpts is only allowed with the explicit written authorization Germany Printed in Germany...

Страница 5: ...The menu screens shown in this operating manual serve as an example and may differ from what you see Intended Use 1 2 The titration sample changer allows serial titrations with automatic sample change...

Страница 6: ...er code TZ No 150 ml with spout low form 285216747 TZ 1784 150 ml with spout low form Super Duty 285202008 TZ 1788 250 ml with spout tall form 285201997 TZ 1787 250 ml with spout low Form Super Duty 2...

Страница 7: ...g voltage is indicated on the specification plate underside of the device and backside of the power supply Nonobservance of this provision may result in damage to the titrator and the power supply or...

Страница 8: ...e scope of delivery The unit can be placed on any flat surface Fig 1 Sample changer and cartons in delivery condition In the two boxes there are 4 plastic bags with various accessories Bag 1 with powe...

Страница 9: ...e TW 7450 has the following connections 1 Power switch 2 Connecting the power supply unit 3 USB B connection for communication with the titration software TitriSoft 4 COM interface 2 not used 5 COM in...

Страница 10: ...nger Fig 7 and fasten it with the four black screws Fig 8 Fig 7 and Fig 8 Mounting the titration tower Mount the cable guide of the titration tower on the rear side at the designated fixing points usi...

Страница 11: ...wed together titration head Fig 12 is placed on the titration tower Fig 15 or Fig 16 by means of the pins and fixed by the screw 4 Option B for titration heads TZ 3969 and TZ 3974 2 3 2 2 The TZ 3974...

Страница 12: ...stirrer socket on the back of the sample changer The stirring speed can be adjusted by software commands The cables required for the operation of the titration head are attached to the power supply o...

Страница 13: ...the USB cable to a free USB A interface of the computer the USB driver is either automatically loaded via the Internet the PC must be connected to the Internet for this or the USB driver on the Titri...

Страница 14: ...ameters are available on request Custom made racks for sample vessels with other diameters are available on request Fig 21 The sample racks are numbered with the corresponding positions and are loaded...

Страница 15: ...ress and is connected directly to the PC via USB or the RS 232 cable supplied The sample changer is controlled with the following RS parameters Baudrate 9600 Parity No Start bits 8 Stop bits 1 Command...

Страница 16: ...32 6 Coordinates of the sample rack Table 1 Coordinates of the 42 position rack Table 2 Coordinates of the 48 position rack...

Страница 17: ...repaid 8 Storage and transportation If the titration sample changer TW 7450 has to be stored over some time or to be dislocated the use of the original packing will be the best protection of the devic...

Страница 18: ...34 10 EC Declaration of Conformity The corresponding declaration of conformity of the device can be found on our homepage It will also be made available to you on request...

Страница 19: ......

Страница 20: ...ifi es pour le produit sont respect es Certificado del fabricante Certificamos que el aparato arriba mencionado ha sido controlado de acuerdo con la norma DIN EN ISO 9001 secci n 8 2 4 Seguimiento y m...

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