Buchi SpeedDigester K-436 User Manual Page 1

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2 Safety10 K-425 / K-436 Operation Manual, Version A! WARNINGRisk of death or serious chemical burns by hot acid or peroxide fumes.Do not operate the

2 Safety11 K-425 / K-436 Operation Manual, Version A2.5.3 Personal protective equipmentAlways wear personal protective equipment such as protective

2 Safety12 K-425 / K-436 Operation Manual, Version A2.6 General safety rulesResponsibility of the operatorThe head of the laboratory is responsible

3 Technical data13 K-425 / K-436 Operation Manual, Version A3 Technical dataThis chapter introduces the reader to the SpeedDigester K-425 / K-436 an

3 Technical data14 K-425 / K-436 Operation Manual, Version ASpeedDigester K- 436Configuration order numberSample positionsSample tube sizes Suction m

3 Technical data15 K-425 / K-436 Operation Manual, Version A3.1.3 Accessories for 500 ml sample tubes (for large sample volumes / at low nitrogen le

3 Technical data16 K-425 / K-436 Operation Manual, Version A3.2 Technical data3.2.1 SpeedDigester K-425 / 110 – 120 V versionTechnical dataPower co

3 Technical data17 K-425 / K-436 Operation Manual, Version A3.2.2 SpeedDigester K-425 / 220 – 240 V versionTechnical dataPower consumption max. 1280

3 Technical data18 K-425 / K-436 Operation Manual, Version A3.2.3 SpeedDigester K-436 / 220 – 240 V versionTechnical dataPower consumption max. 2550

3 Technical data19 K-425 / K-436 Operation Manual, Version A3.3 Materials usedMaterials usedComponent Material designation Material code Hazards sub

4 Description of function20 K-425 / K-436 Operation Manual, Version A4 Description of functionThis chapter explains the basic working principle of t

5 Putting into operation21 K-425 / K-436 Operation Manual, Version A5 Putting into operationThis chapter describes how the instrument has to be inst

5 Putting into operation22 K-425 / K-436 Operation Manual, Version A! WARNINGRisk of death or burns by electric current.Check for proper grounding be

5 Putting into operation23K-425 / K-436 Operation Manual, Version A5.3 Electrical connectionsAfter the installation procedure has been completed suc

6 Operation24 K-425 / K-436 Operation Manual, Version A6 OperationThis chapter gives examples of typical instrument applications and instructions on

6 Operation25K-425 / K-436 Operation Manual, Version AThe mains switch is illuminated green when the system is in on-status• Thermostat•➥ Turn the

6 Operation26 K-425 / K-436 Operation Manual, Version A6.1.3 SpeedDigester K-436 — front sideHeating chambersHeating indicatorsThermostat knobsMains

6 Operation27 K-425 / K-436 Operation Manual, Version A6.1.4 SpeedDigester K-436 — rear sideBracket with magnetic (elbow) suction plugsT-piece with

6 Operation28 K-425 / K-436 Operation Manual, Version A! WARNING Death or serious poisoning by contact or incorporation of harmful substances at use.

6 Operation29 K-425 / K-436 Operation Manual, Version A6.2.2 Peroxide digestion —preparing sample tubesDuring the preparation process, handling with

Table of contents3 K-425 / K-436 Operation Manual, Version ATable of contents1 About this manual . . . . . . . . . . . . . . . . . .

6 Operation30 K-425 / K-436 Operation Manual, Version A12Rear sideFront sideInsert the prepared sample tubes into the rack(s) — start with the first (

6 Operation31 K-425 / K-436 Operation Manual, Version A*CLICK*56To Scrubber or water jet pumpExample with two glass caps installed!Check for proper

6 Operation32K-425 / K-436 Operation Manual, Version A6.2.4 Installing 500 ml sample tubesUnlike 300 ml (and 250 ml) sample tubes, 500 ml tubes can

6 Operation33 K-425 / K-436 Operation Manual, Version A45Glass cap (for unused positions)When the digestion session does not require a full set of sa

6 Operation34 K-425 / K-436 Operation Manual, Version A6.2.5 Starting up the SpeedDigesterSystem preconditionsThe system must be correctly installed

6 Operation35 K-425 / K-436 Operation Manual, Version A6.4 Performing a peroxide digestion processThis section is divided into two consecutive sub-s

6 Operation36 K-425 / K-436 Operation Manual, Version A! DANGER Risk of death or serious injuries by toxic and explosive peroxides.Use only original

6 Operation37 K-425 / K-436 Operation Manual, Version A6.5 Finishing a digestion process! WARNINGRisk of dangerous or moderate burns when handling h

6 Operation38 K-425 / K-436 Operation Manual, Version ACooling positions of SpeedDigester K-425 and K-436The side position shown in the drawing below

6 Operation39 K-425 / K-436 Operation Manual, Version A!Do NOT use the side positions with 500 ml rack / glasses!!500 ml racks must be placed beside

Table of contents4K-425 / K-436 Operation Manual, Version A6.3.2 Starting a digestion process. . . . . . . . . . . . . . . . . . .

6 Operation40 K-425 / K-436 Operation Manual, Version A6.6 Optional 'Stand with drip tray'The optional accessory drip tray serves to colle

7 Maintenance and repairs41 K-425 / K-436 Operation Manual, Version A7 Maintenance and repairsThis chapter gives instructions on maintenance work to

7 Maintenance and repairs42 K-425 / K-436 Operation Manual, Version A NOTICERisk of housing and instrument damage by liquids and detergents.Do not sp

7 Maintenance and repairs43 K-425 / K-436 Operation Manual, Version A7.2.1 Breakage of glassware inside a housing chamberUnder rare conditions charg

7 Maintenance and repairs44 K-425 / K-436 Operation Manual, Version A7.3 Glass component conditionsClean the glass components after each working pro

7 Maintenance and repairs45 K-425 / K-436 Operation Manual, Version A7.5 Rack systemTo prolong the lifetime of the racks, rinse them with water thor

7 Maintenance and repairs46 K-425 / K-436 Operation Manual, Version A7.5.2 500 ml sample tube support springThe 500 ml tube rack is equipped with a

8 Troubleshooting47 K-425 / K-436 Operation Manual, Version A8 TroubleshootingThis chapter helps to resume operation after a problem has occurred wi

8 Troubleshooting48 K-425 / K-436 Operation Manual, Version A8.2 Device fusesTo change a defective fuse proceed as followsSwitch off the SpeedDigest

9 Shutdown, storage, transport and disposal49 K-425 / K-436 Operation Manual, Version A9 Shutdown, storage, transport and disposalThis chapter instr

1 About this manual5 K-425 / K-436 Operation Manual, Version A1 About this manualThis manual describes the SpeedDigester K-425 / K-436 and provides

9 Shutdown, storage, transport and disposal50 K-425 / K-436 Operation Manual, Version A9.2 DisposalFor instrument disposal in an environmentally fri

9 Shutdown, storage, transport and disposal51 K-425 / K-436 Operation Manual, Version AHealth and Safety Clearance Health and Safety Clearance_20081

10 Spare parts52 K-425 / K-436 Operation Manual, Version A10 Spare partsThis chapter lists spare parts, accessories and options including their orde

10 Spare parts53 K-425 / K-436 Operation Manual, Version ASpare parts (cont.)Description Order no.EPDM hose, 1.5 m, 8 mm 11056005Plug for rack pedest

10 Spare parts54 K-425 / K-436 Operation Manual, Version AConsumablesDescription Order no.Kjeldahl tablets (Hg / Se-free), 250 pcs. 028765

11 Declarations and requirements55 K-425 / K-436 Operation Manual, Version A11 Declarations and requirements11.1 FCC requirements (for USA and Cana

11 Declarations and requirements56 K-425 / K-436 Operation Manual, Version A11.2 Declaration of conformity

BÜCHI Labortechnik AGCH-9230 Flawil 1 / SwitzerlandT +41 71 394 63 63 F +41 71 394 65 65 www.buchi.com Quality in your hands

2 Safety6 K-425 / K-436 Operation Manual, Version A2 SafetyThis chapter introduces the safety concept of the instrument and contains general rules o

2 Safety7 K-425 / K-436 Operation Manual, Version A2.4 Safety warnings and safety signs used in this manualDANGER, WARNING, CAUTION and NOTICE are s

2 Safety8 K-425 / K-436 Operation Manual, Version ASymbol MeaningExplosive materialFire hazardHarmful to life-formsHot item, hot surfaceDevice damage

2 Safety9 K-425 / K-436 Operation Manual, Version AAdditional user informationParagraphs starting with Note transport helpful information for working