User’s Guide
EN
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2
| DISPENSMAN
®
TABLE OF CONTENTS
GENERAL PRODUCT DESCRIPTION | 3
Description | 3
Component Description| 5
Parts Checklist | 5
SAFETY & USER PRECAUTIONS | 6
General Safety Precautions | 6
Safety Considerations Before Initial Operation | 7
Operating Limitations | 7
Liquids Contact Material | 7
INSTALLATION | 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
WARRANTY | 18
TABLE OF CONTENTS
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GENERAL PRODUCT DESCRIPTION
3
DISPENSMAN
®
| USER’S GUIDE
Chapter 1
GENERAL PRODUCT DESCRIPTION
DISPENSMAN® is a sophisticated dispensing system that fulfills increasing
requirements for quality, precision, and reproducibility in laboratories. It
consists of high precision components and extremely robust materials. It has
a built-in recalibration mechanism that ensures reproducibility for the life of
the instrument.
DISPENSMAN is an exclusive instrument with 0% loss of reagent due to airpurging and draining within a closed circuit. The valve 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 and
delivered with a certificate of performance.
Description
1
2
3
4
5
6
8
7
9
20
10
11
Safety cap
Recalibration mechanism
Outer housing
Quick-lock knob
Adaptor ring
Cap nut
Nozzle switch
Protective sleeve
Discharge tube
Nozzle set
Bottle adaptor
Valve block
1
2
3
4
5
6
7
8
9
10
11
20
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GENERAL PRODUCT DESCRIPTION
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GENERAL PRODUCT DESCRIPTION | DISPENSMAN
®
IMPORTANT: Edges on top!
Adaptor ring
Cap nut
Nozzle switch
Suction valve
Valve star
Valve ball
Ejection valve
O-ring
Piston
Cylinder set
Cylinder
Valve block
Telescopic 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
Component Description
COMPONENT MATERIAL
Outer housing PP (polypropylene) with 20% talcum
Adaptor ring PP (polypropylene) with 20% talcum
Inside nozzle switch PTFE (polytetrafluoroethylene)
Protective sleeve PP (polypropylene)
Bottle adaptor PP (polypropylene)
Valve ball Ceramic
Piston PTFE (polytetrafluoroethylene) / PVDF (polyvinylidene fluoride)
Valve block PP (polypropylene) with 20% talcum
White component inside
telescopic tube PTFE (polytetrafluoroethylene)
Safety cap
Recalibration knob PP (polypropylene)
Sliding volume adjuster PA66 (polyamide) with 30% glass fiber
Cap nut PP (polypropylene)
Nozzle switch PP (polypropylene)
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)
O-ring FKM (fluorocarbon rubber)
Parts Checklist
After unpacking the DISPENSMAN, verify that the following items were included
and not damaged:
• 1 Gilson DISPENSMAN with an attached reflux tube
• 1 telescopic tube
• 1 protective sleeve with an attached discharge tube
• 1 calibration tool
• 4 adaptors with dierent diameters (mm):
• For small volumes (2.5, 5, 10 mL): A25, A28, S40, A32/45
• For large volumes (25, 50 mL): A25, A28, S40, A45/32
• 1 certificate of performance
• 1 user’s guide
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GENERAL PRODUCT DESCRIPTION
5
DISPENSMAN
®
| USER’S GUIDE
Component Description
COMPONENT MATERIAL
White components
Outer housing PP (polypropylene) with 20% talcum
Adaptor ring PP (polypropylene) with 20% talcum
Inside nozzle switch PTFE (polytetrafluoroethylene)
Protective sleeve PP (polypropylene)
Bottle adaptor PP (polypropylene)
Valve ball Ceramic
Piston PTFE (polytetrafluoroethylene) / PVDF (polyvinylidene fluoride)
Valve block PP (polypropylene) with 20% talcum
White component inside
telescopic tube PTFE (polytetrafluoroethylene)
Blue components
Safety cap
Small volumes (2.5, 5, 10mL): PP (polypropylene)
with 20% talcum
Large volumes (25, 50mL): PP (polypropylene) with glass fiber
Recalibration knob PP (polypropylene)
Sliding volume adjuster PA66 (polyamide) with 30% glass fiber
Cap nut PP (polypropylene)
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 components
O-ring FKM (fluorocarbon rubber)
3
1
20
17
14
8
7
5
12
9
7
6
4
2
21
19
19
13
22
16
11
21
Parts Checklist
After unpacking the DISPENSMAN, verify that the following items were included
and not damaged:
• 1 Gilson DISPENSMAN with an attached reflux tube
• 1 telescopic tube
• 1 protective sleeve with an attached discharge tube
• 1 calibration tool
• 4 adaptors with dierent diameters (mm):
• For small volumes (2.5, 5, 10 mL): A25, A28, S40, A32/45
• For large volumes (25, 50 mL): A25, A28, S40, A45/32
• 1 certificate of performance
• 1 user’s guide
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SAFETY & USER PRECAUTIONS
6
SAFETY & USER PRECAUTIONS | DISPENSMAN
®
Chapter 2
SAFETY & USER PRECAUTIONS
General Safety Precautions
In order to put the instrument into operation as quickly as possible and free from
defects, it is necessary that you read this manual carefully before using this
instrument.
Highest safety precautions should be used when dispensing corrosive,
poisonous, radioactive, or hazardous chemicals.
• Observe the general safety regulations for handling chemicals (e.g.,
protective clothing, protective goggles).
• Use DISPENSMAN only with regard to the chemical resistance of materials
and for the purpose for which is intended (see the chemical compatibility
list, pages 17 and 18).
• Always check the instrument for leak tightness and a firm position of the
plug and socket connection before you use it.
• Never use force. Breakage of any part will lead to hazardous exposure for the
user as well as for other persons.
• Clean the instrument every 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 tube.
• Never use damaged or deformed tubes. If the valve is damaged, the
discharge tube might drop.
• The discharge tube should never face the user and a collection vessel should
be placed underneath.
• Check all fittings for tightness approximately one hour after assembly or
disassembly as temperature variations may cause material expansion, which
can cause leakages.
• If you are unsure about dispensing a specific chemical solution, refer to the
chemical compatibility list in pages 17 and 18 or contact your local Gilson
representative.
Safety Considerations Before Initial Operation
• Check instrument for damage caused in transit.
• The telescopic tube
• Do not use the outer housing
need to carry the instrument, hold it by the base of the instrument.
• Attach discharge tube
damage.
• When screwing on/o the bottle do not hold the instrument at its outer
housing 3, but at 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 the reagent are made of chemical
resistant materials: platinum spring, ceramic valve balls, PTFE piston, and borosilicate
glass 3.3 cylinder.
OPERATION LIMIT MAXIMUM
Vapor pressure 600 mbar
Viscosity 500 mm
Density 2.2 g/cm
Temperature
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