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English

Functions and Limitations of Use

Digital

Analog-adjustable

Dispensette

Organic (yellow color code)

Digital

Analog-adjustable

Fixed-volume

Dispensette

(red color code)

( yellow
color code)

( red
color code)

When the instrument is correctly used, the dispensed liquid comes
into contact with only the following chemically resistant materials:

Dispensette

Borosilicate glass, AI

-ceramic, ETFE, FEP, PFA, PTFE, platinum-

iridium, PP (screw cap).

Dispensette

Organic

Borosilicate glass, AI

-ceramic, ETFE, FEP, PFA, PTFE, tantalum,

PP (screw cap).

If a higher chemical resistance is required, please use a ETFE/PTFE
screw cap and a bottle adapter ('Accessories', pages 56-58).

Fixed-volume

For dispensing hydrofluoric acid,

we recommend the use of the
Dispensette

Trace Analysis

bottle-top dispenser with pla-
tinum-iridium valve spring (see
separate operating manual).

Note:

Содержание dispensette S

Страница 1: ...Easy Handling Dispensette S Dispensette S Organic F I R S T C L A S S B R A N D www brand de cn manuals Gebrauchsanleitung 3 Operating Manual 31 Mode d emploi 59 Instrucciones de manejo 87 Istruzioni...

Страница 2: ...embly 40 Priming 42 Dispensing 43 Accessories 44 Error Limits Nominal Volume Partial Volume 46 Checking the Volume Calibration 47 Adjustment 48 Cleaning 49 Replacement of discharge tube valves 51 Auto...

Страница 3: ...tions of use and operating limitations Observe operat ing exclusions see page 36 If in doubt contact the manufacturer or supplier 6 Always use the instrument in such a way that neither the user nor an...

Страница 4: ...ically resistant materials Dispensette S Borosilicate glass AI2 O3 ceramic ETFE FEP PFA PTFE platinum iridium PP screw cap Dispensette S Organic Borosilicate glass AI2 O3 ceramic ETFE FEP PFA PTFE tan...

Страница 5: ...ent for a specific application e g trace material analysis food sector etc must be checked by the user Approvals for specific applications e g for production and administration of food pharma ceutical...

Страница 6: ...or dispens ing of organic solvents including chlorinated and fluorinated hydrocarbons e g trichlorotrifluoro ethane and dichloromethane concentrated acids e g HCl and HNO3 trifluoroacetic acid TFA tet...

Страница 7: ...ide 35 Isoamyl alcohol Isobutanol Isooctane Isopropanol 2 Propanol Isopropyl ether Lactic acid Methanol Methoxybenzene Methyl benzoate Methyl butyl ether Methyl ethyl ketone Methyl formate Methyl prop...

Страница 8: ...on tube Locking 39 Cover plate Volume adjustment Housing Screw cap valve lever Protective sleeve Dispensing cylinder Piston Piston Valve block GL 45 bottle thread Discharge tube Recirculation Piston s...

Страница 9: ...hread Filling tube Length mm 1 2 5 10 GL 24 25 GL 28 S 28 GL 32 33 GL 38 S 40 125 240 25 50 100 GL 32 33 GL 38 S 40 170 330 2 Mounting the instrument on a bottle and align ment Screw the instrument GL...

Страница 10: ...and can only be used for media which do not attack PP If a higher chemical resistance is required please use a EFTE PTFE bottle adapter Accessories page 56 Always wear protective gloves when touching...

Страница 11: ...mes Fig 3 4 Turn valve to Dispense Fig 4 5 To avoid splashes when priming hold the discharge tube on the inner wall of a suitable receiving vessel and dispense liquid to prime the discharge tube until...

Страница 12: ...instruments equipped with the recirculation valve turn the valve to Dispensing c Hold the discharge tube orifice on the inner wall of a suitable receiving vessel d Gently lift the piston until the up...

Страница 13: ...he bottom of the valve block Fig 2 and tighten it For this Dispensette S must not be mounted on the bottle Install the receiver tube 5 Press the plug of the recirculation valve downwards 6 Slide the f...

Страница 14: ...filter This provides increased protection against con tamination by displacement air see Accessories page 58 Assembly 1 Unscrew the air vent cap see Assembly Drying tube Fig 1 2 Screw in the air vent...

Страница 15: ...ml A l CV l 1 0 6 6 0 2 2 2 0 5 10 0 1 2 5 0 5 25 0 1 5 10 0 5 50 0 1 10 25 0 5 125 0 1 25 50 0 5 250 0 1 50 100 0 5 500 0 1 100 Partial volume The percentage values for A and CV are relative to the n...

Страница 16: ...t c For discharge depress piston slowly and steadily without force until the lower stop d Wipe off the tip of discharge tube e Weigh the dispensed quantity on an analytical balance Please follow the o...

Страница 17: ...4 First press in the red knob and then the safety lock again Fig 4 5 Replace housing and slide the latch to the right Fig 5 Alteration of factory setting is indicated by a red recalibra tion flag Fig...

Страница 18: ...individually matched and should not be interchanged with piston from other instruments 1 Screw the instrument onto an empty bottle and empty it com pletely by dispensing Fig 1 If the instrument is eq...

Страница 19: ...refully remove deposits at the edge of the glass cylinder 5 Rinse the piston and cylinder with deionized water and dry them carefully 6 Insert the piston completely into the cylinder and then reassemb...

Страница 20: ...to remove Fig 1 2 Slide the discharge tube housing all the way up then pull it forward with gentle up and down motions Fig 2 3 Hold coupling piece of the new discharge tube and pull hous ing up Push h...

Страница 21: ...ve using light pressure for example with a 200 l plastic pipette tip see the figure at the side Filling valve 1 Pull out the recirculation tube and the telescoping filling tube Fig 1 2 Use the mountin...

Страница 22: ...ng page 49 50 2 Open the closure cap on the discharge tube and for instruments with a recirculation valve set the valve to Dispense 3 Check that the filling valve is securely seated Fig 1a In the digi...

Страница 23: ...0 2 4600 360 4600 361 Capacity ml Subdivision ml Discharge tube without recirculation valve Cat No Discharge tube with recirculation valve Cat No 0 1 1 0 02 4600 100 4600 101 0 2 2 0 05 4600 120 4600...

Страница 24: ...1 2 5 25 0 1 4630 350 4630 351 5 50 0 2 4630 360 4630 361 Dispensette S Organic Analog adjustable Capacity ml Subdivision ml Discharge tube without recirculation valve Cat No Discharge tube with recir...

Страница 25: ...35 7080 16 25 50 100 standard 135 7080 19 Accessories Spare Parts Outer thread for bottle thread ground joint Material Cat No GL 32 GL 25 PP 7043 25 GL 32 GL 28 S 28 PP 7043 28 GL 32 GL 30 PP 7043 30...

Страница 26: ...nsette S Organic 5 10 fine tip 105 7081 12 5 10 standard 105 7081 14 25 50 100 fine tip 135 7081 16 25 50 100 standard 135 7081 19 Flexible discharge tubing with recirculation valve for Dispensette S...

Страница 27: ...volume ml Cat No PP red for Dispensette S 1 2 5 10 7060 18 25 50 100 7060 19 PP yellow for Dispensette S Organic 5 10 7060 25 25 50 100 7060 27 ETFE for Dispensette S and Dispensette S Organic 1 2 5 1...

Страница 28: ...tool until it meets the stop so that the threads are no longer visible Air bubbles in the instrument Reagent with high vapor pressure has been drawn in too quickly Slowly draw in reagent Valve screw c...

Страница 29: ...he return before sending your instrument for service Return only cleaned and decontaminated instruments with the Return Authorization Number prominently displayed on the outside of the package to the...

Страница 30: ...om BRAND also offers you the possibility to have your instruments calibrated by the BRAND Calibration Service or the BRAND owned DAkkS Calibration Service Just send in the instruments to be calibrated...

Страница 31: ...zed repairs of the instrument or the consequences of normal wear and tear especially of wearing parts such as pistons seals valves and the breakage of glass as well as the failure to follow the instru...

Страница 32: ...9974 90 Printed in Germany 5 1015 3...

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