Buchi KjelSampler K-377 Manual do Utilizador Página 1

11593514 enKjelMaster K-375 with KjelSampler K-376/K-377Operation Manual

1 About this manual10K-375/376/377 Operation Manual, Version B

6 Operation100K-375/376/377 Operation Manual, Version BAfter selecting the “Distillation mode”, enter the distillation time, the stirrer speed during

6 Operation101K-375/376/377 Operation Manual, Version B(screenshot stretched)Parameters for Back titrationSelect Back titration for the parameter “Ti

6 Operation102K-375/376/377 Operation Manual, Version BParameters for Boric acid titration with colori-metric sensorSelect Boric acid titration for t

6 Operation103K-375/376/377 Operation Manual, Version B(screenshot stretched)Parameters for Boric acid titration with poten-tiometric sensorSelect Bo

6 Operation104K-375/376/377 Operation Manual, Version BDetermination ParametersWith the determination parameters the Determination mode (either “Stan

6 Operation105K-375/376/377 Operation Manual, Version BAspiration ParametersAfter a determination has been completed, the waste in the sample tube an

6 Operation106K-375/376/377 Operation Manual, Version B6.8.2 Volumetric SolutionsAll volumetric solutions that may be used for a titration can be de

6 Operation107K-375/376/377 Operation Manual, Version B6.8.3 Reference SubstancesIf a reference substance and its theoretical value is defined, it is

6 Operation108K-375/376/377 Operation Manual, Version B6.9 DeviceThe Device area provides access to all tasks that are related to the device itself,

6 Operation109K-375/376/377 Operation Manual, Version BRegional SettingsSelect your language from the offered range of 7 available languages: English

2 Safety11K-375/376/377 Operation Manual, Version B2 SafetyThis chapter points out the safety concept of the device and contains general rules of be

6 Operation110K-375/376/377 Operation Manual, Version BResult unitsCreate a new unit with NEW and store it under a new, unique name.Select a base uni

6 Operation111K-375/376/377 Operation Manual, Version BPeripheralsSelect Yes for all present peripherals:• Level sensor for receiver waste container

6 Operation112K-375/376/377 Operation Manual, Version BIf a chiller is connected to the device the cooling water control will be omitted.If no chille

6 Operation113K-375/376/377 Operation Manual, Version BImport and exportSpecify the target for the manual or automatic data storage. You may either s

6 Operation114K-375/376/377 Operation Manual, Version BTwo different types of rights can be assigned to users:• Administrator (not restricted)• Ope

6 Operation115K-375/376/377 Operation Manual, Version B6.9.2 UtilitiesThere are three different utilities contained in the device software:• The Da

6 Operation116K-375/376/377 Operation Manual, Version BDemo modeSelect On to switch to the Demo mode and Off to leave the Demo mode.NOTE In demo mode

6 Operation117K-375/376/377 Operation Manual, Version B6.9.3 DiagnosticsIn the system diagnostics the actual status of all system components like va

6 Operation118K-375/376/377 Operation Manual, Version B

7 Maintenance119 K-375/376/377 Operation Manual, Version B7 MaintenanceThis chapter gives instructions on all maintenance work to be performed in or

2 Safety12K-375/376/377 Operation Manual, Version B2.4 Safety warnings and safety signs used in this manualDANGER, WARNING, CAUTION and NOTICE are s

7 Maintenance120 K-375/376/377 Operation Manual, Version B7.1 Daily maintenance7.1.1 Before sample determination • Remove the electrode from the s

7 Maintenance121 K-375/376/377 Operation Manual, Version B7.1.2 After sample determinationClean the system using the Cleaning procedure and/or manua

7 Maintenance122 K-375/376/377 Operation Manual, Version BWe recommend replacing the electrode, if it does not fulfill the following criteria at 25 °C

7 Maintenance123 K-375/376/377 Operation Manual, Version B • If you choose “Add defaults” when creating a new sequence the dosing step is automati-

7 Maintenance124 K-375/376/377 Operation Manual, Version B7.2.5 Device monitoringIn order to test/check the instrument, a nitrogen determination wit

7 Maintenance125 K-375/376/377 Operation Manual, Version B7.3 Monthly maintenance7.3.1 Calibrating the pumpIt is recommended to calibrate the pumps

7 Maintenance126 K-375/376/377 Operation Manual, Version BThe value shown for “Calibration volume” is updated.NOTERepeat this procedure until the ent

7 Maintenance127 K-375/376/377 Operation Manual, Version B7.3.3 Inspecting the buretInspect the attached buret(s) to recognize damages as early as p

7 Maintenance128 K-375/376/377 Operation Manual, Version B7.4 Half-yearly maintenance7.4.1 K-375 Sealing between sample tube and splash protectorWe

7 Maintenance129 K-375/376/377 Operation Manual, Version B7.4.2 K-376/K-377 dip tube and sealing capThe sealing cap is an expendable part which need

2 Safety13K-375/376/377 Operation Manual, Version BSymbol MeaningHeavy weight, avoid overexertionChemical burns by corrosivesPinch point. Mechanical

7 Maintenance130 K-375/376/377 Operation Manual, Version B• Pull the sealing cap out of the sampler arm from below.• When inserting the new sealing

7 Maintenance131 K-375/376/377 Operation Manual, Version B7.4.3 Replacing the splash protectorReplace the glass splash protector after approximately

7 Maintenance132 K-375/376/377 Operation Manual, Version BOpen the service door. • Disconnect the water connection ①. • Disconnect the NaOH connectio

7 Maintenance133 K-375/376/377 Operation Manual, Version B7.5 Yearly maintenance7.5.1 Replacement of wear partsReplace the following components: •

7 Maintenance134 K-375/376/377 Operation Manual, Version B7.5.2 Decalcification of the steam generatorTo decalcify the steam generator proceed as fol

7 Maintenance135 K-375/376/377 Operation Manual, Version B11• Remove the two screws a on the rear side of the instrument. The position of the sodium

7 Maintenance136 K-375/376/377 Operation Manual, Version B7.5.4 Replacement of the wave spring• Remove the rack and move the sampler arm to the se

7 Maintenance137 K-375/376/377 Operation Manual, Version B7.6 Replace every two years7.6.1 Replacement of the transfer connection! WARNINGSerious c

7 Maintenance138 K-375/376/377 Operation Manual, Version B7.7 Maintenance work if required7.7.1 Changing the buret tipThe buret tip consists of the

7 Maintenance139 K-375/376/377 Operation Manual, Version B7.7.2 Cleaning the pH electrodeIf the glass membrane or diaphragm are dirty, clean them to

2 Safety14K-375/376/377 Operation Manual, Version B2.5 Product safetyThe device is designed and built in accordance with current state-of-the-art te

7 Maintenance140 K-375/376/377 Operation Manual, Version B NOTICERisk of device damage.• When removing and reinstalling the seal, make sure not to d

7 Maintenance141 K-375/376/377 Operation Manual, Version B1To adjust the distance between the sample tube holder and the splash protector seals ① f

7 Maintenance142 K-375/376/377 Operation Manual, Version B7.8 Customer serviceOnly authorised service personnel are allowed to perform repair work o

8 Troubleshooting143K-375/376/377 Operation Manual, Version B8 TroubleshootingThis chapter helps to resume operation after a minor problem has occur

8 Troubleshooting144K-375/376/377 Operation Manual, Version BBoiling retardation/bumping/foaming • Missing digestion rods or boiling stones are used

8 Troubleshooting145K-375/376/377 Operation Manual, Version BProblem Cause Corrective measureNitrogen content too low • Incomplete digestion • Insuf

8 Troubleshooting146K-375/376/377 Operation Manual, Version B8.2 Error messages on the display of the K-375The error messages consist of an error nu

8 Troubleshooting147K-375/376/377 Operation Manual, Version B10‘302 Cooling water flow too low Assure higher flow rate or check parameters in Settings/

8 Troubleshooting148K-375/376/377 Operation Manual, Version B14’100 Titrator timeout Titration endpoint not reached. Check dosing unit, if enough tit

8 Troubleshooting149K-375/376/377 Operation Manual, Version B15’114 Sampler: Error during EEPROM writing. Adjustment value not savedCall service17’00

2 Safety15K-375/376/377 Operation Manual, Version B! CAUTIONRisk of burns by hot surface. Surface temperature exceeds 60 °C.• Do not touch hot surfa

8 Troubleshooting150K-375/376/377 Operation Manual, Version B8.3 Eliminating errors of the KjelSampler K-376/K-377Check the function of the KjelSamp

8 Troubleshooting151K-375/376/377 Operation Manual, Version B8.4 Eliminating errors of the titratorThe buret is not properly filledPossible reasons A

8 Troubleshooting152K-375/376/377 Operation Manual, Version B

9 Shutdown, storage, transport and disposal153K-375/376/377 Operation Manual, Version B9 Taking out of operationThis chapter instructs how to shut

9 Shutdown, storage, transport and disposal154K-375/376/377 Operation Manual, Version B9.2 Emptying the buret of the titratorEmpty the buret of the

10 Spare parts155 K-375/376/377 Operation Manual, Version B10 Spare partsThis chapter lists spare parts, accessories, and options including their o

10 Spare parts156 K-375/376/377 Operation Manual, Version B10.2 Spare parts K-376/K-377110560311105903511059036 1105728443827Table 10-2: Spare par

11 Declarations and requirements157 K-375/376/377 Operation Manual, Version B11 Declarations and requirements11.1 FCC requirements (for USA and Ca

11 Declarations and requirements158 K-375/376/377 Operation Manual, Version B11.2 Declaration of conformity

2 Safety16K-375/376/377 Operation Manual, Version B2.5.3 Other hazardsFundamental dangers arise from. • acids and lye • flammable gases or solvent fu

11593514 en 0512/Technical data are subject to change without notice/Quality Systems ISO 9001 The English version is the original language Version Bnd

2 Safety17K-375/376/377 Operation Manual, Version B2.5.5 Built-in safety elements and measuresThe KjelMaster K-375 has monitored protective doors wh

2 Safety18K-375/376/377 Operation Manual, Version B

3 Technical data19K-375/376/377 Operation Manual, Version B3 Technical dataThis chapter introduces the reader to the device specifications. It conta

3 Technical data20K-375/376/377 Operation Manual, Version BTable 3-4: KjelMaster/Sampler Systems K-375/K-376Product Order numberKjelMaster Sampler

3 Technical data21K-375/376/377 Operation Manual, Version B434074915143457110581571105591411056835110568364318543178110574103.1.2 Standard accessor

3 Technical data22K-375/376/377 Operation Manual, Version B43482432031105825211057779110598311105771111058240Table 3-6: Standard accessories for K-

3 Technical data23K-375/376/377 Operation Manual, Version B110582403.1.4 Standard accessories for K-377Table 3-8: Standard accessories for K-377Num

3 Technical data24K-375/376/377 Operation Manual, Version B1105685143390433333.1.5 Optional accessories K-375Table 3-12: Optional accessories K-375

3 Technical data25K-375/376/377 Operation Manual, Version B439703.1.6 Optional accessories K-376/K-377Table 3-14: Optional accessories for K-376/K-

3 Technical data26K-375/376/377 Operation Manual, Version B3.2 Technical data overview3.2.1 Technical data KjelMaster K-375 and KjelSampler K-376/

3 Technical data27K-375/376/377 Operation Manual, Version BMeasuring input: pH/mV input with 12 bit transducer for accurate resolution during the t

3 Technical data28K-375/376/377 Operation Manual, Version B3.4 Information on type plate a Device type codeb Serial numberc Supply voltage

3 Technical data29K-375/376/377 Operation Manual, Version B3.5 Reference substancesTable 3-18: Reference substancesName Purity % N theoretical (10

Document HistoryIndex Date Author ChangesA 25/MAY/2012 NAGG Initial versionB 16/JUL/2013 NAGG First revised version

3 Technical data30K-375/376/377 Operation Manual, Version B3.6.3 K-376/K-377Table 3-21: Material on the K-376/K-377Part Material Material codeHousi

4 Description of function31K-375/376/377 Operation Manual, Version B4 Description of functionThis chapter explains the basic principle of the instr

4 Description of function32K-375/376/377 Operation Manual, Version B4.1.1 Opening the service doorThe service door is secured with a sensor/switch:

4 Description of function33K-375/376/377 Operation Manual, Version B4.2 Functional principle of Sampler System K-375 with K-376 or K-377a

4 Description of function34K-375/376/377 Operation Manual, Version BFig. 4.4: Sample transfer principleFig. 4.5: Steam transfer during distillation

4 Description of function35K-375/376/377 Operation Manual, Version B4.3 Standby functionPress the key READY to start heating the steam generator.Pr

4 Description of function36K-375/376/377 Operation Manual, Version B4.5 Distillation and titration4.5.1 Distillation ModeAutomatic – IntelliDistTh

4 Description of function37K-375/376/377 Operation Manual, Version B4.5.5 Measuring Mode Startpoint pH The device measures the pH of the boric acid

4 Description of function38K-375/376/377 Operation Manual, Version B4.6 Different methodsBUCHI standard methods are stored in the instrument. All B

4 Description of function39K-375/376/377 Operation Manual, Version B4.7 Blank valuesThe K-375 differentiates between blanks and control blanks. Bla

4 Description of function40K-375/376/377 Operation Manual, Version B4.10 Explanation of alkaline direct distillationAs an example, the protein cont

4 Description of function41K-375/376/377 Operation Manual, Version BFactors of above ExampleConversion Factor = 0.7787; Regression Factor = -0.055.N

4 Description of function42K-375/376/377 Operation Manual, Version B

5 Putting into operation43K-375/376/377 Operation Manual, Version B5 Putting into operationThis chapter describes how the device is installed and g

5 Putting into operation44K-375/376/377 Operation Manual, Version B5.2 Electrical connections5.2.1 Connections of the K-375a Power connecti

5 Putting into operation45K-375/376/377 Operation Manual, Version B• Connect the dosing unit for the acid to connector i.• Connect the RS232 cable

5 Putting into operation46K-375/376/377 Operation Manual, Version B5.3 Transfer connection K-376 (K-377) – K-375The transfer connection between the

5 Putting into operation47K-375/376/377 Operation Manual, Version BFixing the transfer hose to the K-375Mount the white transfer hose on the val

5 Putting into operation48K-375/376/377 Operation Manual, Version BConnect the K-375 and the K-376/K-377 with the corresponding/delivered RS232 cabl

5 Putting into operation49K-375/376/377 Operation Manual, Version BOn the K-375• Remove the tightening screw from the holder on the valve 1. (T

Table of contents5K-375/376/377 Operation Manual, Version BTable of contents1 About this manual . . . . . . . . . . . . . . . . . . . . . . . . . .

5 Putting into operation50K-375/376/377 Operation Manual, Version Ba H2O pump (for steam generator and sample tube) b Boric acid (H3BO3) pump

5 Putting into operation51K-375/376/377 Operation Manual, Version B! WARNINGRisks and hazards for humans, animals and the environment.• Make sure t

5 Putting into operation52K-375/376/377 Operation Manual, Version B5.6 Storage tank connectionTo connect the storage tanks, proceed as follows: • C

5 Putting into operation53K-375/376/377 Operation Manual, Version B5.7 Level sensors Four level sensors are contained in the standard delivery of t

5 Putting into operation54K-375/376/377 Operation Manual, Version BFront view:Rear view: The crosshair marks the sensitive areaStatus LEDAdjustment

5 Putting into operation55K-375/376/377 Operation Manual, Version B5.8 Connections to peripheral devicesThe following devices and accessories can b

5 Putting into operation56K-375/376/377 Operation Manual, Version B5.8.5 Connecting a bar code readerA USB barcode reader can be used to read in da

5 Putting into operation57K-375/376/377 Operation Manual, Version B5.9 Preparing the system5.9.1 Preparing the softwareIn general it is recommende

5 Putting into operation58K-375/376/377 Operation Manual, Version B5.9.2 Preparing the hardwareThere are only a few tasks that have to be performed

6 Operation59K-375/376/377 Operation Manual, Version B6 OperationThis chapter gives examples of typical device applications and instructions on how

Table of contents6K-375/376/377 Operation Manual, Version B4 Description of function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 Operation60K-375/376/377 Operation Manual, Version BFunctional area Icon Dialog window DescriptionDeterminationAll tasks related to the sample meas

6 Operation61K-375/376/377 Operation Manual, Version B6.2.1 The title barThe title bar is present on top of any screen and consists of the following

6 Operation62K-375/376/377 Operation Manual, Version B6.2.3 System status iconsIcon MeaningThe device is ready without any restrictions.A sample det

6 Operation63K-375/376/377 Operation Manual, Version B6.3 User conceptThe software recognizes two different kinds of users – the administrator, with

6 Operation64K-375/376/377 Operation Manual, Version BFig. 6.4 Volumetric solutions screenIf an item is editable or not, depends on the rights of the

6 Operation65K-375/376/377 Operation Manual, Version B6.5 The status viewThe status view of the system is accessible via the SHOW/HIDE STATUS button

6 Operation66K-375/376/377 Operation Manual, Version BColors of the status fieldColor of status field MeaningGreen – the system is ready for sample det

6 Operation67K-375/376/377 Operation Manual, Version B6.5.1 RESULT displayThe RESULT display of the Status view shows the last 3 results and the cur

6 Operation68K-375/376/377 Operation Manual, Version B6.5.3 INFO display The INFO display of the Status view shows all system and error messages.

6 Operation69K-375/376/377 Operation Manual, Version B6.6 DeterminationIn general there are three different ways for a sample determination with the

Table of contents7K-375/376/377 Operation Manual, Version B6 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 Operation70K-375/376/377 Operation Manual, Version B6.6.1 System PreparationWithin the area System Preparation all tasks related to the preparatio

6 Operation71K-375/376/377 Operation Manual, Version B(screenshot stretched)PrimingPriming is used to prepare the entire system. This preparation pro

6 Operation72K-375/376/377 Operation Manual, Version BCleaningWith regular cleaning, the lifetime of the glass parts can be extended. Thus it is reco

6 Operation73K-375/376/377 Operation Manual, Version B(screenshot stretched)Calibration pH electrodeIt is recommended to calibrate the electrode ever

6 Operation74K-375/376/377 Operation Manual, Version BpH calibration history chartThe charts for the pH calibration are accessible via the calibratio

6 Operation75K-375/376/377 Operation Manual, Version BPump calibrationSelect the pump to be calibrated (H2O, NaOH or H3BO3).Enter the target “Dose vo

6 Operation76K-375/376/377 Operation Manual, Version BMeasuring pH or mVUsing this functionality a direct measurement can be performed with the poten

6 Operation77K-375/376/377 Operation Manual, Version B6.6.2 Single SampleIn general four different kinds of samples can be determined: • Blanks (can

6 Operation78K-375/376/377 Operation Manual, Version BFor samples of type Sample,press “Name” and enter a name for the sample result.Press “Sample we

6 Operation79K-375/376/377 Operation Manual, Version B6.6.3 Sample ListsWith the sample list functionality it is possible to predefine a complete lis

Table of contents8K-375/376/377 Operation Manual, Version B7.4.2 K-376/K-377 dip tube and sealing cap . . . . . . . . . . . . . . . . . . . . . . .

6 Operation80K-375/376/377 Operation Manual, Version BWithin each sample list all contained samples are listed together with name, type, method and w

6 Operation81K-375/376/377 Operation Manual, Version BFor samples of type Blank,press “Name” and enter a name for the blank result.Press “Method” and

6 Operation82K-375/376/377 Operation Manual, Version BFor samples of type Control Blank,press “Name” and enter a name for the control blank result.Pr

6 Operation83K-375/376/377 Operation Manual, Version B6.6.4 SequencesThe Sequences button is only available if an auto sampler is present and configu

6 Operation84K-375/376/377 Operation Manual, Version BPress the Sequences button.Under Sequences a list of all present sample sequences for the sampl

6 Operation85K-375/376/377 Operation Manual, Version BTo change the order of steps within a sequence you have to delete selected steps and to add the

6 Operation86K-375/376/377 Operation Manual, Version BThe positions of the rack can be filled one by one with samples by clicking on each position.NOT

6 Operation87K-375/376/377 Operation Manual, Version BFor samples of type Sample,press “Name” and enter a name for the sample result.Press “Sample we

6 Operation88K-375/376/377 Operation Manual, Version BFor samples of type Control Blank,press “Name” and enter a name for the control blank result.Pr

6 Operation89K-375/376/377 Operation Manual, Version BThe selected samples will be deleted from the sequence and will be inserted into the rack-step

1 About this manual9K-375/376/377 Operation Manual, Version B1 About this manualThis manual describes the KjelMaster Sampler System K-375/K-376/K-3

6 Operation90K-375/376/377 Operation Manual, Version BResult groups can be created, renamed and deleted by users with administrator rights. User with

6 Operation91K-375/376/377 Operation Manual, Version BPress FILTER to set the sample filter.Set the “Sample filter” to On to filter the list of displaye

6 Operation92K-375/376/377 Operation Manual, Version B6.7.2 Last ResultsThe Last Results screen shows a list of the last 40 results of the system, r

6 Operation93K-375/376/377 Operation Manual, Version B6.7.3 Blank CorrectionThe blank correction can be switched on and off:HOME  Blank Correction

6 Operation94K-375/376/377 Operation Manual, Version BWithin the settings for the blank correction,• switch “Blank correction” ON• switch “Auto bla

6 Operation95K-375/376/377 Operation Manual, Version BWithin the settings for the blank correction,• switch “Blank correction” ON• switch “Auto bla

6 Operation96K-375/376/377 Operation Manual, Version BAutomatic Blank determinationWith automatic blank determination switched on, each continuous ro

6 Operation97K-375/376/377 Operation Manual, Version B6.8 Determination ParametersWithin this area, the methods for determinations with the K-375 ca

6 Operation98K-375/376/377 Operation Manual, Version B(screenshot stretched)The different areas of the method are separated from each other by the co

6 Operation99K-375/376/377 Operation Manual, Version BDistillation ParametersWith the distillation parameters all necessary steps for the distillatio