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18

WARRANTY

 

DISPENSMAN

®

Chapter 12

WARRANTY

Gilson warrants the dispenser against defects in material under normal use and 

service for 1 year from the date of purchase. This warranty is valid only if the 

dispenser is used in the manner described in this manual and for the purpose 

for which it is designed. Gilson is not responsible for consequential damages 

resulting from the misuse of this instrument.

Potassium permanganate

Sodium acetate

Tetramethylammoniumhydroxide

Propionic acid

Sodium chloride

Triethanolamine

Propylene glycol

Sodium dichromate

Triethylene glycol

Pyridine

Sodium fluoride

Urea

Pyruvic acid

Sodium hydroxide 30%

Zinc chloride 10%

Salicylaldehyde

Sodium hypochlorite

Zinc sulfate 10%

Silver acetate

Sulfuric acid 98%

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Summary of Contents for dispensman

Page 1: ...User s Guide EN LT801577_D _UG DISPENSMAN indd 1 09 11 2017 15 01 11 ...

Page 2: ...LATION 8 Telescopic Tube 8 Bottle Adapter 8 OPERATION 9 Volume adjustment 9 Air Purging 9 Dispensing 10 Anti Drop system 10 MAINTENANCE 11 Disassembly 11 Assembly 11 CLEANING AND STERILIZATION 12 Cleaning 12 Sterilization 12 CALIBRATON 13 TROUBLESHOOTING 14 SPECIFICATIONS 15 SPARE PARTS 16 Spare Parts for Small Volumes 2 5 5 and 10 mL 16 Spare Parts for Large Volumes 25 and 50 mL 16 APPENDIX 17 WA...

Page 3: ...lve block can rotate 360 therefore the label of the bottle is always visible for your added safety The dispenser has our unique 100 drip free system for your safety at work just turn the nozzle switch to Empty 180 to drain it and prevent uncontrolled flow of liquid The dispenser is fully autoclavable at 121 C and can be completely disassembled for cleaning Each instrument is individually tested an...

Page 4: ...tube Reflux tube 19 5 6 15 20 7 22 21 12 5 6 7 20 21 22 12 7 16 14 13 17 18 19 18 17 16 15 14 13 12 Figure 1 Nozzle switch and its axle located inside the valve block Figure 2 Valve block without nozzle Figure 3 Valve block top view Figure 4 Aspiration system located under outer housing Figure 5 Valve block bottom view Com Parts After un and not 1 Gil 1 tel 1 pro 1 ca 4 ad 1 ce 1 us LT801577_D _UG...

Page 5: ...opylene Nozzle switch PP polypropylene Clear components Discharge tube FEP fluorinated ethylene propylene Inside valve block ETFE ethylene tetrafluoroethylene Valve star ETFE ethylene tetrafluoroethylene Cylinder Glass Protective transparent plastic for cylinder PTFE polytetrafluoroethylene Telescopic tube FEP fluorinated ethylene propylene Reflux tube FEP fluorinated ethylene propylene Dark compo...

Page 6: ...very week and if you want to use DISPENSMAN for another chemical solution or if you do not use it for a longer time The temperature of the dispenser and reagent should not exceed 40 C 104 F The user is responsible for checking that the instrument is suitable for his application The proper and secure function is only guaranteed by using the supplied discharge tube 9 Do not use any other discharge t...

Page 7: ... the screw base Do not pump before the instrument has been assembled completely and a collecting vessel has been placed underneath Operating Limitations Do not use for PTFE swelling solvents Hydrofluoric acid Chemical solutions that react with platinum iridium alloys Liquids used with DISPENSMAN must not exceed the following limits Liquid Contact Materials The components having direct contact with...

Page 8: ...be it should reach the bottom of the bottle The reflux tube 22 is already attached to the bigger hole Bottle Adaptor Choose the right adaptor according to your bottle Screw the chosen adaptor on to the extremity of the bottle and screw DISPENSMAN into the adaptor Check the stability of the instrument on the bottle before operating 21 22 Figure 6 Valve block bottom view LT801577_D _UG DISPENSMAN in...

Page 9: ... to Recycle 90 Set a small volume and dispense until the cylinder 19 is free from air Air purging is performed in a closed circuit for zero loss of reagent Turn the discharge tube back to Dispense 0 Adjust to the desired volume Dispense liquid precisely and carefully until the end of discharge tube 9 is fully filled Without any air in the entire instrument this step will guarantee that the dispens...

Page 10: ...outer housing to the lowest point The movements should be smooth and constant to achieve an accurate dispense volume Noise while aspirating or dispensing is acceptable as it is because of the high quality suction valve with valve ball Anti Drop System Turn the nozzle switch 7 to Empty 180 The liquid from the discharge tube will now rinse back into the bottle Any further dispensing of liquid is not...

Page 11: ...he valve block 20 be aware that the valve star 13 and the valve ball 14 might fall out 10 Take the valve star 13 and the valve ball 14 out of the valve block 20 11 Pull the nozzle switch 7 out of the valve block 20 Assembly 1 Push the nozzle switch 7 into the valve block 20 2 Place the valve ball 14 and the valve star 13 into the suction valve Check that the edges of the valve star 13 point upward...

Page 12: ... on page 11 and clean all components The dispenser should be cleaned daily if used with following chemicals Solutions that tend to crystallize e g salts Inorganic oxidizing solutions e g biuret reagent Sterilization After removal of the reflux tube 22 and the telescopic tube 21 the dispenser can be steam sterilized 121 C 1 bar 20 minutes according to EN ISO 17665 Place the instrument on a cloth an...

Page 13: ...with the thicker side to the site of the safety bolt Figure 9 5 To recalibrate a volume set too low rotate the calibration tool clockwise To recalibrate a volume set too high rotate the calibration tool counter clockwise 6 Attach the safety bolt to the piston Figure 8 7 Check the volume If the measured volume exceeds the tolerance limits then calibrate the instrument again If the calibration was s...

Page 14: ...et in cleaning fluid Check the discharge tube If it is not clean and operational disassemble it and then flush it with cleaning fluid No Liquid Aspirated Check the fit of the telescopic tube into the suction valve It should be firmly pressed into the smaller hole of the bottom part of the valve block please refer to figure 6 page 8 Check the volume setting Check the suction valve and then clean it...

Page 15: ...iant with ISO 8655 Each dispenser is inspected and validated by qualified technicians Gilson declares that its manufactured dispensers comply with the requirements of the ISO 8655 standard by type testing The adjustment is carried out under strictly defined and monitored conditions MODEL PART NUMBER VOLUME RANGE SCALING mL MAXIMUM PERMISSIBLE ERRORS GILSON ISO 8655 5 SYSTEMATIC ERROR mL RANDOM ERR...

Page 16: ...umes 2 5 5 and 10 mL Spare Parts for Large Volumes 25 and 50 mL DESCRIPTION PART NUMBER Calibration tool F107123 Protective sleeve for discharge tube 25 and 50 mL F107146 9 Discharge tube 25 and 50 mL F107126 22 Reflux tube 40mm l Ø 6mm A Ø 7 mm F107128 21 Telescopic tube 170 330 mm F107134 21 Telescopic tube 250 480 mm F107138 11 Thread adapters made of PP invert GL A45 A32 F107139 11 Thread adap...

Page 17: ...umene Methyl butyl ether Ammonium sulfate Cyclohexanone Methyl ethyl ketone n Amyl acetate Decane Methyl formate Amyl alcohol 1 Decanol Methyl propyl ketone Aniline Dibenzyl ether Mineral oil Barium chloride Dichlorobenzene Monochloroacetic acid Benzaldehyde Diethanolamine Nitric acid 30 Benzol Diethylamine Nitrobenzene Benzoyl chloride 1 2 Diethylbenzene Oleic acid Benzyl alcohol Diethylene glyco...

Page 18: ... it is designed Gilson is not responsible for consequential damages resulting from the misuse of this instrument Potassium permanganate Sodium acetate Tetramethylammoniumhydroxide Propionic acid Sodium chloride Triethanolamine Propylene glycol Sodium dichromate Triethylene glycol Pyridine Sodium fluoride Urea Pyruvic acid Sodium hydroxide 30 Zinc chloride 10 Salicylaldehyde Sodium hypochlorite Zin...

Page 19: ...Notes 19 DISPENSMAN USER S GUIDE NOTES ide LT801577_D _UG DISPENSMAN indd 19 09 11 2017 15 01 15 ...

Page 20: ...ghts reserved Specifications subject to change without notification errors excepted Reproduction adaptation or translation without prior written permission is prohibited except as allowed under copyright laws LT801577_D _UG DISPENSMAN indd 20 09 11 2017 15 01 15 ...

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