Buchi K-424 Operation Manual Download Page 1 | Manualshive

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Summary of Contents for K-424

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Page 3: ...ortechnik AG 2008 en Version E Order No K 424 Operating instructions 96711 1 Scope of delivery 2 2 Safety 3 2 1 Symbols 3 2 2 Requirements for the operator 3 2 3 Regulation use 3 2 4 Non regulation us...

Page 4: ...ins cables Type CH 10021 Type Schuko 10029 Type GB 17833 Type AUS 17834 Type USA 33756 1 Operating instructions in one of the following languages German 96710 English 96711 French 96712 Italian 96713...

Page 5: ...2 2 Requirements for the operator The unit is only to be used by laboratory and specialist personnel and other persons who because of their training or professional experience are able to assess the...

Page 6: ...ction manual must at all times be available to the operating personnel at the location where the apparatus is being used This also applies to the further editions in other languages which may be order...

Page 7: ...nder anfavourable conditions s after being transported under difficult conditions The unit must not be operated with combustible substances If you need the assistance of B chi Service it is required t...

Page 8: ...t K 424 is suitable for digestions involving concentrated boiling sulfuric acid at a temperature of approximately 370 C 3 1 Principle of operation Sample tubes Heating Suction module Hose to water jet...

Page 9: ...ly for broken glass or damage to the housing Make certain that the socket voltage is the same as that shown on the machine nameplate Always connect the machine to an earthed grounded socket This avoid...

Page 10: ...stall on the hose C and on the suction modules D Connect the EPDM hose to the scrubber B 414 or to the water jet pump e g made from plastic Art No 02913 When working with a water jet pump unpleasant o...

Page 11: ...ats the digestion tubes uniformly from the side leading to good boiling behaviour no retardation of boiling Boiling chips are used only when larger quantities of water 10 ml are evaporated no glass be...

Page 12: ...to be digested the types of reagents etc To carry out the digestion in the minimum time the samples are digested at full power The digestion time depends on the material to be digested and must be det...

Page 13: ...ty digestion tubes Place the suction module with the fitted gaskets on the digestion tube holder Turn on scrubber or water jet pump bevor any gases can develop 5 5 Malfunctions Malfunction Possible ca...

Page 14: ...daily Check glass parts for damage Clean the plastic parts with a damp cloth The glass parts are cleaned 6 3 Gaskets The gaskets are subject to wear and must be replaced when damaged or at loss of clo...

Page 15: ...eplaced by skilled engineers No components may be replaced when the apparatus is warm or hot Allow the apparatus to cool down Replacing upper insulating plate This insulation is freely accessible and...

Page 16: ...of the dangers which result from not observing safety regulations Authorized B chi serve centers have available to them a special service manual for this apparatus That manual can only be obtained by...

Page 17: ...red and transported cleaned and its original packaging 7 2 Disposal To ensure as ecologically sound a disposal of the apparatus as possible the Appendix in Chap 9 contains a list of the materials used...

Page 18: ...2 springs 38123 Plug cap 17396 Digestion glasses 4 glasses 37377 Rack 26730 EPDM hose 8 mm 26275 Fuses T10A L250V 10 pcs 16952 Fuses T5A L250V 10 pcs 33703 Suction pipe with ball joint 40158 Suction m...

Page 19: ...00 m s l maximum relativ humidity 80 for temperatures up to 30 C temperature 10 40 Overvoltage category II Pollution degree 2 Table 6 Technical data Part Material Material code Housing front and rear...

Page 20: ...the user will be required to correct the interference at his own expense Fran ais Cet appareil a t test et s est av r conforme aux limites pr vues pour les appareils num riques de classe A et la parti...

Page 21: ...19 Digestion Unit K 424 9 4 Declaration of confomity 9 Appendix...

Page 22: ...B CHI Labortechnik AG CH 9230 Flawil 1 Switzerland T 41 71 394 63 63 F 41 71 394 65 65 www buchi com Quality in your hands...

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