Fritsch PULVERISETTE 23 Bedienungsanleitung

MINI-MILLPULVERISETTE 23Operating instructionsValid starting with: 23.1000/101Read the instructions prior to performing any task!Translation of the or

DANGER!This symbol and keyword combination designates contentsand instructions for proper use of the machine in explosiveareas or with explosive subst

This symbol emphasises useful tips and recommendationsas wells as information for efficient operation without mal‐function.To emphasise procedure inst

DANGER!Explosion hazard!– When grinding oxidizable substances, e.g. metals orcoal, there is a risk of spontaneous combustion (dustexplosion) if the sh

2.7.2 Protection against restartThe device is safeguarded against restarting after a power failure.2.7.3 Overload protectionThe device has internal e

3 Technical data3.1 Dimensions280 x 150 x 270 mm (height x width x depth)3.2 Weightapprox. 7.35 kg (net)approx. 9 kg (gross)3.3 Operating noiseEmis

3.8 Materialn Maximum feeding size 6 mmn Maximum feeding amount 5 ml3.9 Final finenessd50 = 5 µm for wet grinding depending on the sample materials

4 Installation4.1 TransportThe device is delivered in a cardboard box.The guarantee excludes all claims for damage due to improper transport.4.2 Unp

4.5 Electrical connectionBefore establishing the connection, compare the voltage and currentvalues stated on the type plate of the power supply with

5 Initial start-upPerform initial start-up only after all work as described in Ä Chapter 4‘Installation’ on page 16 has been carried out.5.1 Switchi

6 Using the planetary mill6.1 Choice of grinding bowls and grinding ballsCAUTION!If the grinding elements used are not genuine accessories,we assume

Version 03/2014 Index 006Fritsch GmbHMilling and SizingIndustriestraße 8D - 55743 Idar-ObersteinTelephone: +49 (0)6784/ 70-0Fax: +49 (0)6784/ 70-11e

These are reference values: The size of bowls and grinding balls mayneed to be determined through experimentation.NOTICE!It is not advisable to mix ba

Ball diameter in mm 5 10 15Stainlesssteel7,8 0,51 4,08 13,78Temperedsteel7,9 0,52 4,14 13,96To determine the weight of the required balls, the "c

Stainless steel and tempered steel:a Grinding bowl lidb Grinding bowlc O-ringx A burr can form in this position!n The bowl sealing surfaces must be cl

6.3.2 Vibration frequencyHigher vibration frequencies shorten the grinding time and increase theshare of fine particles.6.3.3 Number and size of the

6.5 Wet grinding (grinding in a suspension)CAUTION!Burn hazard!The grinding bowl can become hot during long grindingperiods. Allow for cooling time a

6.8 Control panel6.8.1 Setting the vibration frequencyThe vibration frequency can be set as 15-50 Hz (strokes per second) in 1Hz steps using the +/-

7 CleaningDANGER!Mains voltage!– Before beginning with cleaning work, disconnect themains plug and protect the device against being unin-tentionally

8 MaintenanceDANGER!Mains voltage– Before beginning with maintenance work, unplug themains plug and protect the device against being unin-tentionally

Functional part Task Test Maintenance intervalGrinding bowl holder Rubber disk (6) Signs of use Every 100 hClamping bracket (3) Realign or replace if

9 RepairsDANGER!Mains voltage!– Before beginning with repair work, unplug the mainsplug and protect the device against being unintention-ally switche

Certifications and CE conformityFritsch GmbH has been certified by the TÜV-Zertifizierungsgemeinschafte.V.An audit certified that Fritsch GmbH conform

10 DisposalIt is hereby confirmed that FRITSCH has implemented the directive2002/95/EC of the European Parliament and Council from 27th January2003 f

11 Guarantee termsAs manufacturer, FRITSCH GmbH provides – above and beyond any guar-antee claims against the seller – a guaranty valid for the durat

This guarantee excludes any costs for transport, packaging or travel thataccrue in the event the product must be sent to us or in the event thatone of

12 Exclusion of liabilityBefore using the product, be sure to have read and understood thisoperating manual.The use of the product requires technical

Fritsch GmbH excludes any liability, warranty, or other obligation to com-pensate for damages, regardless of whether this liability, warranty, orother

13 Safety logbookDate Maintenance / Repair Name Signature Safety logbook - 35

Date Maintenance / Repair Name Signature Safety logbook - 36 -

Date Maintenance / Repair Name Signature Safety logbook - 37 -

14 IndexAAccident prevention ...7Ambient conditions ...16Authorised persons ...7BBasic

Table of contents1Basic structure... 62 Safety information and use...

© 2014Fritsch GmbHMilling and SizingIndustriestraße 8D - 55743 Idar-ObersteinTelephone: +49 (0)6784/ 70-0Fax: +49 (0)6784/ 70-11email: info@fritsch

6.2 Filling the grinding bowl... 216.3 Factors with an impact on grinding...

1 Basic structure1 Knurled screw2 Knurled nut3 Clamping bracket4 Grinding bowl5 Control panel6 Rubber disk Basic structure - 6 -

2 Safety information and use2.1 Requirements for the userThis operating manual is intended for persons assigned with operatingand monitoring the Frit

2.2.1 Operating principleThe rapid vertical acceleration of the grinding bowl causes the grindingballs in the bowl to vibrate. Comminution occurs whe

2.4 Information on hazards and symbols used in this manualSafety information in this manual is designated by symbols. Safety infor-mation is introduc