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KERN DBS 60-3 Operating Instructions Manual Download Page 36

36 

   

 

 

DBS-BA-e-1311

 

6.3  ISO/GLP log 

Quality assurance systems require printouts of measuring results as well as of 
correct adjustment stating date and time and equipment identification. The easiest 
way is to have a printer connected. 
 

 

•

  Ensure that the communication parameters for moisture analyser and 

printer concur, see chap. 11.2. 

•

  For printout sample see chapter 11.7 

 

  Press the 

Menu

 button to access the menu and 

the first menu item “

PRoGRM

” will be displayed. 

 

 

 

  Use navigation buttons 

 

 to select menu item 

“

CAL”

. 

  Press 

ENTER

 to confirm and the current 

Adjustment mode “BAL / TEMP” will be displayed.  

  Use navigation buttons 

 

 to select 

“

CAL.REC”

. 

  Press 

ENTER

 to confirm and the indicator 

  

next to “

CAL.REC”

 will display the current 

setting. 

 

Indicator 

 

Display 

Selection 

is displayed 

 

Adjustment protocol output 
activated 

is not displayed 

 

Adjustment protocol output de-
activated 

  Press 

ENTER

 to activate/de-activate this function. 

  Press 

ESC

 to return to Moisture analysis mode. 

Summary of Contents for DBS 60-3

Page 1: ... 9162 Fax 561 320 9176 info pce americas com www pce instruments com english www pce instruments com PCE Instruments UK Ltd Units 12 13 Southpoint Business Park Ensign way Hampshire Southampton United Kingdom SO31 4RF From outside UK 44 Tel 0 2380 98703 0 Fax 0 2380 98703 9 info pce instruments com KERN DBS Version 1 1 03 2013 GB DBS BA e 1311 ...

Page 2: ...e 21 4 1 Testing upon acceptance 21 4 2 Packaging return transport 21 5 Unpacking Setup and Commissioning 21 5 1 Installation Site Location of Use 21 5 2 Unpacking and checking 24 5 2 1 Scope of delivery serial accessories 24 5 3 Placing 25 5 4 Mains connection 28 5 4 1 Turning On the Power 29 5 5 Commissioning 30 5 6 Connection of peripheral devices 30 6 Adjustment 31 6 1 Adjust balance 31 6 2 Ad...

Page 3: ...ults 64 11 1 Pin allocation RS232C interface 65 11 2 Interface parameters 66 11 3 Output interval 68 11 4 Call up and print out measuring results 69 11 5 Print out currently preset drying parameters 70 11 6 Delete measuring results from memory 71 11 7 Printout examples 72 12 General information concerning moisture analysis 75 12 1 Application 75 12 2 Basics 75 12 3 Adjustment to existing measuring...

Page 4: ...alysis mode 0 01 Reproducibility Weighing mode 0 001 g Reproducibility Weighing mode Initial weight 2 g 0 15 Initial weight 5g 0 05 Initial weight 10 g 0 02 Drying modes Standard drying AUTO TIME Step drying STEP Rapid drying RAPID Slow drying SLOW Linearity 0 003 g Stabilization time typical 3 sec Recommended adjustment weight not added class 50g F1 Environmental conditions 5 C 40 C ambient tempe...

Page 5: ... Gram display Internal memory Method memory 10 memory locations for drying programs see chap 9 1 Sample memory 100 memory locations for measuring results see chap 11 Interface RS232 Dimensions B x D x H Housing 202 x 336 x 157 mm Available drying room Ø 95 mm 20 mm high Net weight 4 2 kg Electric Supply 220 240 V AC 50 60 Hz Power consumption Rating 430 VA Voltage fluctuations Within 10 Power line...

Page 6: ...6 DBS BA e 1311 2 Appliance overview Front view Pos Description 1 Viewing panel 2 Sample dish 3 Display 4 Bubble level 5 Keyboard 6 Adjustable foot 7 Heated cover 8 Halogen lamp 9 Temperature sensor ...

Page 7: ...DBS BA e 1311 7 Rear view Pos Description 10 Anti theft protection device connection 11 Not documented 12 RS232 13 USB not documented 14 Mains connection socket 15 Fuse box ...

Page 8: ... weighing value is stable Highlights current setting in the menu 4 The indicator will mark the measuring result 5 Drying mode Status display during drying AUTO see chap 9 2 1 1 Heating up period Preset drying temperature is reached The drying is finished when M constant TIME see chap 9 2 1 2 Heating up period Preset drying temperature is reached The drying is finished when the preset drying time h...

Page 9: ...re Preset drying temperature is reached The drying is finished when the preset completion criterion is fulfilled SLOW see chap 9 2 1 4 Heating up period Preset drying temperature is reached The drying is finished when the preset completion criterion is fulfilled STEP see chap 9 2 1 5 Heating up period step 1 Drying step 1 Heating up period step 2 Drying step 2 Heating up period step 3 Drying step ...

Page 10: ...display Display moisture Menu access via MENU button Equipment is in Ready mode see chap 8 4 0 Current menu selection UNIT Equipment is in menu Display of results see chap 9 2 2 COMSET Equipment is in menu Interface parameters see chap 11 2 CODE Equipment is in menu Sample denomination see chap 10 1 CAL Equipment is in menu Adjustment see chap 6 PRINT Equipment is in menu Printer see chap 11 3 11 ...

Page 11: ...en heated cover is closed Flashes when drying process is active Bottom Indicates that a sample is in the sample dish Flashes when a sample needs to be loaded Goes out if there is no sample in the sample dish Indicates that a sample is in the sample dish Flashes if taring is required Goes out if no sample dish is in place Indicates upon switch on that the dish holder is installed Flashes upon switc...

Page 12: ...ature 4 Unit Display of results see chap 9 2 2 5 Preset drying mode Status display drying see chap 9 2 1 see chap 2 1 6 Current moisture content in During drying with can be switched in M see chap 9 2 1 1 7 Drying process active see chap 2 1 8 Measuring result indicator 9 Measuring value unit in the preset result display see chap 9 2 2 ...

Page 13: ...11 13 2 2 Keyboard overview Turn on off Call up menu Selecting a menu item to the left Scroll back Scroll to next page Selection of a menu item in clockwise direction Taring Zeroing Activate menu item Save setting ...

Page 14: ...14 DBS BA e 1311 Exit menu Back to moisture analysis mode Quit Start drying Complete drying Numerical input see chap 7 1 1 ...

Page 15: ...be released by KERN in writing 3 3 Warranty Loss of warranty due to Our conditions in the operation manual are ignored The appliance is used outside the described uses The appliance is modified or opened mechanical damage and damage caused by media liquids natural wear and tear The appliance is improperly set up or incorrectly electrically connected The measuring system is overloaded 3 4 Monitorin...

Page 16: ... of aqueous substances The moisture analyser may not be used in a hazardous area The appliance may only be operated and maintained by trained personnel Carefully read this operation manual before setup and commissioning even if you are already familiar with KERN appliances This moisture analyser is a robust precision instrument however it must be handled with care to ensure many years of trouble f...

Page 17: ...PC or printer If you spill liquid on the device disconnect it immediately Afterwards do not operate the moisture analyzer and have it checked by a competent KERN stockist before any further use Never store materials on the equipment Never place combustible materials on under or next to the equipment as the environment of the instrument heats up to a high temperature ...

Page 18: ...ardous to health Sample materials developing aggressive vapours e G Acids may cause corrosion problems on some parts of the device Careful when removing the sample The sample itself the sample dish and the heating unit may be very hot Maintain sufficient space in the environment of the equipment to prevent heat build up distance from the equipment 20cm upwards 1m Do not operate the humidity analys...

Page 19: ...ving the sample The sample itself the sample dish and the heating unit may be very hot Use the sample retainer at all times as it allows safe working and prevents burns Individual parts of the case e g the ventilation grids may heat up considerably during operation Therefore only take hold of the equipment by the marked handles ...

Page 20: ...r Ventilation grilles and inspection windows may become very hot during operation Always open heated cover completely Do not use any combustible sample materials Disconnect the equipment from the power supply prior to changing a lamp see chap 13 2 2 ...

Page 21: ...riginal packaging for returning Prior to dispatch disconnect all cables and remove loose mobile parts Reattach possibly supplied transport securing devices Secure all parts such as the glass wind screen the weighing platform power unit etc against shifting and damage 5 Unpacking Setup and Commissioning 5 1 Installation Site Location of Use The unit is designed to achieve reliable weighing results ...

Page 22: ... Emerging vapours sample dish and all parts of the sample chamber are hot Remove easily flammable materials from the immediate vicinity Protect the device against direct draughts due to open windows and doors Avoid extreme heat and temperature fluctuations e g due to installation next to radiators Avoid direct sunlight ...

Page 23: ...cation or remove source of interference Avoid static charging of the material to be weighed weighing container and windshield Place the device on a firm level surface Avoid jarring during weighing Do not expose the device to extreme dampness for longer periods of time Non permitted condensation condensation of air humidity on the appliance may occur if a cold appliance is taken to a considerably w...

Page 24: ...been no damage and that all packing items are present 5 2 1 Scope of delivery serial accessories 1 Instrument 2 50 disposable sample dishes 3 Dish holder 4 Wind protection ring 5 Heat shield 6 Spare fuse 7 Removal aid 8 Power cable 9 Protective cover 10 Operating instructions 11 Menu overview 12 Hexagonal socket wrench ...

Page 25: ...alyser is delivered in pieces Check immediately after unpacking all the parts that the delivery is complete and assemble the individual components as described below 1 Fit heat shield 2 Install wind protection ring ensuring correct positioning on ...

Page 26: ...26 DBS BA e 1311 3 Install dish holder ensuring correct positioning on 4 Fit sample dish 5 Level the equipment with foot screws 1 until the air bubble of the water balance is in the prescribed circle ...

Page 27: ...hthand edge level the equipment with the lefthand foot screw see Fig 2 If both foot screws are turned simultaneously in clockwise direction the air bubble will move forwards see Fig 3 If both foot screws are turned simultaneously in anticlockwise direction the air bubble will move backwards see Fig 4 Check levelling regularly Fig 1 Fig 2 Fig 3 Fig 4 ...

Page 28: ...ns voltages are different If matching connect the scales The moisture analyzer must be connected to a standard socket with earth terminal Do not eliminate the protective effect by using an extension lead without earth terminal For power supplies from power grids without earth terminals call a specialist to establish equivalent protection according to the relevant installation regulations The power...

Page 29: ...s power cable The display lights up and the equipment conducts a self test The selftest is completed when OFF appears on the display To switch on press the ON OFF button The equipment conducts a segment test As soon as the weight display appears the instrument will be ready to weigh ...

Page 30: ...wer supply The accuracy of the appliance depends on the local acceleration of gravity Strictly observe hints in chapter Adjustment 5 6 Connection of peripheral devices Before connecting or disconnecting of additional devices printer PC to the data interface always disconnect the moisture analyser from the power supply Only use accessories and peripheral devices by KERN as they are ideally tuned to...

Page 31: ...in weighing operation Observe stable environmental conditions A warming up time see chapter 1 is required for stabilization Carry out adjustment with placed sample dish Ensure that no objects are within the sample dish Carry out adjustment as near as possible to the balance s maximum weight recommended adjustment weight see chap 1 Weights of different nominal values 10g 60g may be used for adjustm...

Page 32: ... connection to an optional printer and activated GLP function see chap 6 3 When the adjustment weight display flashes e g 50g place it carefully in the centre of the sample dish Adjustment starts Wait until 0 000g appears Remove the adjustment weight during the flashing display The adjustment is completed when END is displayed The device returns to the menu automatically Press ESC to return to wei...

Page 33: ... cool down first to room temperature after the last heating period Preparation Fix the temperature sensor on the temperature calibration set in accordance with the illustration Remove sample dish and dish holder from the moisture analyser Install the temperature calibration set acc to fig Close heated cover If applicable the error message ol will be displayed but can be ignored in this case On the...

Page 34: ...period otherwise the error message ERR 100 will appear In this case press ESC and restart menu item TEMP Attention some parts e g ventilation grilles and inspection windows may become very hot during operation The adjustment must be made within 15 minutes when the temperature display flashes otherwise the temperature adjustment will be aborted ABORT will be displayed Temperature calibration for th...

Page 35: ... flashing If the two values do not match correct them using the navigation buttons and confirm with the ENTER button Numerical input see chap 7 1 1 The adjustment is completed when END is displayed The device returns to the menu automatically The adjustment protocol output is started upon connection to an optional printer and activated GLP function see chap 6 3 Press ESC to return to Moisture anal...

Page 36: ...e Menu button to access the menu and the first menu item PRoGRM will be displayed Use navigation buttons to select menu item CAL Press ENTER to confirm and the current Adjustment mode BAL TEMP will be displayed Use navigation buttons to select CAL REC Press ENTER to confirm and the indicator next to CAL REC will display the current setting Indicator Display Selection is displayed Adjustment protoc...

Page 37: ...DBS BA e 1311 37 7 Menu ...

Page 38: ...t and scroll up through the menu items Select setting within one function Select and scroll down through the menu items Select setting within one function Selecting a menu item to the left Selection of a menu item in clockwise direction Confirm and save Exit menu ...

Page 39: ...y Key Description Function Navigation key Increase flashing digit Navigation key Decrease flashing digit Navigation key Digit selection to the right Navigation key Digit selection to the left ENTER key Confirm entry ESC key Cancel input ...

Page 40: ...that the equipment is in Moisture analysis mode Press ESC if necessary Open heated cover Deposit a sample dish acclimatised to room temperature When the heated cover is closed wait for the stability display and press the TARE button to reset to zero Load sample within 30 minutes otherwise the message TIM oUT will be displayed In this case press ESC and reset to zero Place sample in sample dish Sam...

Page 41: ...and after measuring When drying is finished you will hear an acoustic signal and the heating will be shut off The measuring result marked by the indicator will be displayed The blower will switch off automatically after a short time Press the ON OFF button for further measurements and the equipment will revert to Moisture analysis mode The indicator will go out Finish drying see chap 8 3 When an o...

Page 42: ... itself the sample dish and the heating unit may be very hot Always work with a removal aid as this will enable safe working and prevent burns If you will repeat measurement for the same sample Press START key to measure the same sample after the measurement successively If you switch the mode to manual start you can measure successively after resetting the measuremaent result 8 4 Turn off applian...

Page 43: ...n the modes see table below Display Drying mode Switch off criterion Drying time Drying temperature M AUTO see chap 9 2 1 1 Standard Automatic x x TIME see chap 9 2 1 2 Standard Time controlled x x RAPID see chap 9 2 1 3 RAPID Fast drying Time controlled x x or Automatic x x SLOW see chap 9 2 1 4 SLOW Slow drying Time controlled x x or Automatic x x STEP see chap 9 2 1 5 STEP Step drying Time cont...

Page 44: ...d the first menu item PRoGRM will be displayed Use navigation button and confirm by pressing ENTER The current setting will be displayed Use navigation buttons to select the required Program Number Nos 0 9 can be selected Press ENTER to confirm selection displays the currently preset drying parameters Press ESC to return to Moisture analysis mode Set the drying parameters under the selected progra...

Page 45: ...rm and the currently preset drying temperature will flash in the display Use navigation buttons to select the required setting 50 C 200 C 1 C increments can be selected Press ENTER to confirm selection The currently preset value for M will be displayed Use navigation buttons to select the required setting 0 01 0 1 0 01 increments can be selected Press ENTER to save Press ESC to return to Moisture ...

Page 46: ...n buttons to select TIME Press ENTER to confirm and the currently preset drying temperature will flash in the display Use navigation buttons to select the required setting 50 C 200 C 1 C increments can be selected Press ENTER to confirm selection The currently set drying time is displayed Use navigation buttons to select the required setting 1 minute 4 hours 1 minute increments or 4 hours 12 hours...

Page 47: ...d drying is suitable for samples with high moisture content e g liquids Settings RAPID Drying mode M pre heating step Drying temperature Drying time switch off criterion or M Press the Menu button to access the menu and the first menu item PRoGRM will be displayed Press navigation button then use navigation buttons to select RAPID Press ENTER to confirm and the currently preset reference value for...

Page 48: ...s 12 hours 1 hour increments can be selected Press ENTER to save Press ESC key to return to weighing mode The moisture analysis can be started see chap 8 2 All the settings that have been made control the drying process or Setting M Press ENTER to confirm selection The currently preset value for M will be displayed Use navigation buttons to select the required setting 0 01 0 1 0 01 increments can ...

Page 49: ...heaters The same applies to samples that form a skin during rapid heating This skin will then affect the evaporation of the trapped moisture Settings SLOW Drying mode Drying temperature Drying time switch off criterion or M Press the Menu button to access the menu and the first menu item PRoGRM will be displayed Press navigation button then use navigation buttons to select SLOW Press ENTER to conf...

Page 50: ...s 12 hours 1 hour increments can be selected Press ENTER to save Press ESC key to return to weighing mode The moisture analysis can be started see chap 8 2 All the settings that have been made control the drying process or Setting M Press ENTER to confirm selection The currently preset value for M will be displayed Use navigation buttons to select the required setting 0 01 0 1 0 01 increments can ...

Page 51: ... loss M remains constant for 30 seconds Settings 1 Level 2 Level 3 Level STEP Drying mode Drying temperature Drying temperature Drying temperature Switch off criterion Drying time Drying time Drying time or or M M 1 Press the Menu button to access the menu 2 Select drying mode Press navigation button then use navigation buttons to select STEP 3 Set drying temperature for step 1 Press ENTER to conf...

Page 52: ...M for step 2 Acknowledge using ENTER key the current setting is displayed Use navigation buttons to select switch off criterion TIME or M for step 2 Setting M Press ENTER to confirm selection The currently preset value for M will be displayed Use navigation buttons to select the required setting 0 01 0 1 0 01 increments can be selected or TIME setting Press ENTER to confirm selection The currently...

Page 53: ... drying temperature input see step 5 For drying time input or M see step 6 8 Return to weighing mode Press ESC to return to Moisture analysis mode The equipment is ready to measure see chap 8 1 All the settings that have been made control the drying process ...

Page 54: ... loss starting weight residual weight Unit Calculation Display moisture 0 100 dry mass 100 0 ATRO dry mass 100 999 ATRO moisture 0 999 ATRO is a unit which is exclusively used in the timber industry The timber humidity ATRO means the percentage of water contained in the timber indicated in percent of the mass of the water free timber It is calculated from the difference between fresh weight SG and...

Page 55: ...escription M W moisture D W dry mass M D ATRO dry mass W D ATRO moisture GRAM Gram display Press ENTER to confirm selection The currently preset value for the minimum reading will be displayed Select the desired position using the navigation keys Unit Options M W D W M D W D 0 1 or 0 01 GRAM 0 001g or 0 01g Press ENTER to confirm selection Press ESC to return to Moisture analysis mode ...

Page 56: ... Press ENTER to confirm and the indicator next to EASY will display the current setting Use the ENTER button to switch between Manual and Automatic start Indicator Display Selection Description is displayed Automatic start Measuring will start after the heated cover has been closed is not displayed Manual start Measuring starts after the START button has been pressed regardless of whether the heat...

Page 57: ...ly increased by 1 for each measurement it reverts to 00 upon reaching 99 Default setting 0000 Press the Menu button to access the menu and the first menu item PRoGRM will be displayed Use the navigation keys to select the menu item CoDE Press ENTER to confirm and a 4 digit number will be displayed The active digit is flashing Use the navigation buttons to enter the required sample designation see ...

Page 58: ... Display Description YYMMDD Year Month Day MMDDYY Month Day Year DDMMYY Day Month Year Press ENTER to confirm and the currently preset date will be displayed The active digit is flashing Use the navigation buttons to enter the current date see chap 7 1 1 Numerical input Confirm with ENTER button the currently set time will be displayed The active digit is flashing Use the navigation buttons to ent...

Page 59: ...the navigation key to select menu item LoCK 3 Acknowledge using ENTER key the password inquiry is displayed The active digit is flashing 4 Use the navigation buttons to enter a new password see chap 7 1 1 Numerical input Default setting 9999 Change password see following chapter If the correct password has been entered ok will be displayed If the password has been entered incorrectly NG will be di...

Page 60: ...e 1311 Remove the menu lock Repeat steps 1 5 Press ENTER to confirm The current setting will be displayed Press ESC if LOCK is displayed The menu lock is cancelled The equipment reverts to Moisture analysis mode ...

Page 61: ... is flashing 4 Use the navigation buttons to enter the currently set password see chap 7 1 1 Numerical input Default setting 9999 If the correct password has been entered ok will be displayed If the password has been entered incorrectly NG will be displayed Repeat password input from step 1 Use the navigation buttons to enter a new password see chap 7 1 1 Numerical input Press ENTER to save the in...

Page 62: ... menu item PRoGRM will be displayed Use the navigation keys to select the menu item ID Press ENTER to confirm and a 4 digit number will be displayed The active digit is flashing Enter the desired ID no using navigation buttons see chapter 3 1 1 Numeric input Press ENTER to save the input and the display will change to SET followed by ID Press ESC to return to Moisture analysis mode ...

Page 63: ...he Menu button to access the menu and the first menu item PRoGRM will be displayed Use the navigation keys to select the menu item RESET Acknowledge with ENTER key RST OK will be displayed Confirm query with ENTER key All settings will be reset to factory settings Press ESC to return to Moisture analysis mode ...

Page 64: ...nsecutive number XX00 XX99 as well as a selectable designation XX see chap 10 1 Call up and print out measuring results see chap 11 4 Delete memory see Chapter 11 6 RS232 The following conditions must be met to provide successful communication between the moisture analyser and the printer Disconnect moisture analyser from the power supply and connect to the printer interface with a suitable cable ...

Page 65: ...DBS BA e 1311 65 11 1 Pin allocation RS232C interface ...

Page 66: ... baud rate will be displayed 6 Use the navigation buttons to select the desired setting 7 Press ENTER to save input the next interface parameter will be displayed Set all interface parameters in turn and then repeat steps 6 and 7 in each case Baud rate Selectable settings Display B 1200 B 2400 B 4800 B 9600 B 19 2k B 38 4k Baud rate 1200bps 2400bps 4800bps 9600bps 19 2k bps 38 4k bps Parity Select...

Page 67: ...W HS SW HS TiM HS oFF Hand shake Hardware handshake Software handshake Timer handshake No handshake Delimiter terminator Selectable settings Display CR LF CR LF Terminat or CR LF CR LF Press ESC to return to Moisture analysis mode Factory settings are marked by ...

Page 68: ... displayed Use the navigation buttons to select the desired setting Selectable settings oFF No data output 1SEC Output interval 1 sec 2SEC Output interval 2 sec 5SEC Output interval 5 sec 10SEC Output interval 10 sec 30SEC Output interval 30 sec 1MIN Output interval 1 Min 2MIN Output interval 2 Min 5MIN Output interval 5 Min 10MIN Output interval 10 Min FINAL Data output at end of measurement Pres...

Page 69: ...splayed Use the navigation keys to select the menu item PRINT Press ENTER to confirm Use the navigation keys to select the menu item MEMoRY Press ENTER to confirm All drying processes will be output to the printer Press ESC to return to Moisture analysis mode The ESC key may be used to cancel the data output For printout sample see chapter 11 7 ...

Page 70: ...em PRoGRM will be displayed Use the navigation keys to select the menu item PRINT Press ENTER to confirm Use the navigation keys to select menu item CND oUT Press ENTER to confirm The currently preset drying parameters will be output to the printer Press ESC to return to Moisture analysis mode For printout sample see chapter 11 7 ...

Page 71: ...access the menu and the first menu item PRoGRM will be displayed Use the navigation keys to select menu item MEM CLR Confirm with ENTER key the query CLR oK will be displayed Press ENTER to confirm The entire memory content will be deleted Press ESC to return to Moisture analysis mode ...

Page 72: ...TIME 10 17 Time PNO 6 Program No see chap 9 1 UNIT M W Results display unit see chap 9 2 2 MODE TIME Drying mode see chap 9 2 1 TEMP 120C Drying temperature e g 120 C STOP 00 02 Switch off criterion e g 2 min WET W s 1 638 Starting weight e g 1 638g TIME M W Output interval Measuring value 00 00 00 0 00 00 00 30 0 10 00 01 00 0 14 00 01 30 0 16 00 02 00 0 18 00 02 00 0 18 Measuring result in the p...

Page 73: ...RN Sohn GmbH Company TYPE DBS60 3 Model SN WBIIAH0000I Serial no ID 0000 Identification No see chap 10 5 DATE 10 05 11 Date see chap 10 2 TIME 10 17 Time REF 50 000g Used adjustment weight BFR 50 002g Before adjustment AFT 50 000g After adjustment COMPLETE SIGNATURE Signature Processor ...

Page 74: ...ial no ID 0000 Identification No see chap 10 5 DATE 10 05 11 Date see chap 10 2 TIME 10 17 Time REF 100C First temperature point BFR 100C Temperature before adjustment AFT 100C Temperature after adjustment REF 180C Second temperature point BFR 181C Temperature before adjustment AFT 180C Temperature after adjustment COMPLETE SIGNATURE Signature Processor ...

Page 75: ...n accord with the drying chamber method the sample is heated from the outside to the inside by a hot air current so as to remove the moisture The radiation applied in the KERN DBS penetrates mainly the sample in order to be transformed inside it into heat energy that is warming from the inside to the outside A minor amount of radiation is reflected by the sample a reflection that is less in dark s...

Page 76: ...per layers resulting in combustion or incrustation The high layer thickness or possibly arising incrustation makes it impossible for the moisture to escape from the sample Due to this residual moisture measured results calculated in this way will not be comprehensible or reproducible Preparing a sample from solids Spread powdery or grainy samples evenly on the sample dish Grind coarse samples usin...

Page 77: ...lt to determine may be samples that are Glutinous or sticky Become incrusted easily or tend to form a film Decompose easily under the influence of heat or emit various elements 12 6 Sample size originally weighted in quantity Drying times as well as achievable accuracy are significantly influenced by sample distribution In the course of this arise two opposed requirements The lighter the originall...

Page 78: ... is difficult to get to e g in synthetics it has to be calcined at high temperatures the higher the temperature the higher the water vapour pressure Results equivalent to other moisture analysing methods e g drying chamber can be achieved by experimentally optimising the setting parameters such as temperature heating level and shutoff criteria 12 8 Recommendations Guidelines Prepare standard sampl...

Page 79: ...120 5 7 9 7 Roof tile mass 2 5 160 10 81 74 Roof tile mass 7 160 20 81 74 Dialysis membrane Polyethes polycarbonate 0 5 80 2 2 7 85 Dialysis membrane Polyethes polycarbonate 0 5 0 7 80 2 0 7 86 Indoor sealing compound 3 160 7 64 04 Dispersion adhesive 1 5 140 9 5 55 69 Dispersion adhesive watery 2 5 155 7 2 43 77 Dolomite 10 12 160 6 1 0 06 Printer ink fluid 1 5 120 10 19 15 E filter dust of waste...

Page 80: ...oal powder 4 160 3 4 2 11 Chalk natural 8 160 1 7 0 06 Crystal sugar 3 90 2 8 0 05 Synthetic resin dispersion diluted 2 160 5 9 60 21 Latex 1 2 160 5 2 38 64 Latex LE 1 3 5 125 10 8 46 58 Latex LE 2 3 5 125 9 4 50 37 Latex O44 3 5 125 9 4 50 65 Lentils 4 135 5 4 12 49 Loam soil 10 15 160 5 5 9 89 Loam clay 2 5 160 14 5 80 75 Skim milk powder 4 90 5 5 3 67 Low fat curd cheese 1 2 130 8 18 5 Corn st...

Page 81: ...4 Raclette cheese 1 5 160 14 4 56 9 Canola seed 3 4 90 7 4 6 18 Rice US parboiled 3 5 105 12 5 10 98 Rye 4 5 150 11 5 10 72 Red wine 3 5 100 15 20 97 4 Sugar beet pulp pellets 4 5 150 8 6 11 77 Salt 2 100 3 4 9 Pretzel sticks 3 4 75 4 5 1 67 Sludge 11 12 130 90 80 Melted cheese 1 5 70 15 35 65 Chocolate 2 5 103 10 0 5 Chocolate powder 2 4 100 4 1 9 Chocolate water 2 3 90 10 6 Hogwash of kitchen wa...

Page 82: ... 03 Theophylline 1 5 130 1 9 7 33 Thermoplastic PUR granulate 15 18 80 18 0 08 Walnut 2 8 100 5 6 3 5 Washing powder 2 160 12 7 32 Wheat spring water 2 3 90 10 6 Sausage casing 0 2 150 3 5 78 56 Toothpaste 2 100 7 7 34 28 Pulp 2 5 130 4 5 7 32 Cement 8 12 138 4 5 0 8 Sugar 4 5 138 10 11 9 Sugar beets 2 130 13 4 30 94 For real life examples please refer to our application manual by going to our KER...

Page 83: ...ish wet clean and dry thoroughly before fitting 3 Sample dish 4 Housing Please do not use aggressive cleaning agents solvents or similar agents but a cloth dampened with mild soap suds Take care that the device is not penetrated by fluids and polish it with a dry soft cloth Loose residue sample powder can be removed carefully with a brush or manual vacuum cleaner Remove any spilt sample material i...

Page 84: ...balance is regularly calibrated see chap Testing instruments control 13 2 1 Remove protective glass guard Avoid contact with halogen lamp and sensor Handle protective glass guard with care Attention Risk of breakage Risk of cuts 1 Open heated cover 2 Undo the screws marked with arrows with the hexagonal socket wrench included in the scope of supply ...

Page 85: ...85 3 Remove protective glass guard and clean with a commercially available glass cleaner Glass plate 1 can be removed if necessary by undoing the screws 2 4 Refit the cleaned protective glass guard in reverser order ...

Page 86: ...e chap 13 2 1 2 Remove plug connector 3 Remove cable from terminals 2 with care 1 Light 2 terminal 3 Plug connector 3 Loosen lamp 1 from the clips 4 on both sides 4 Clips 4 Install new lamp in reverse order Avoid contact with the halogen lamp to maintain service life Position plug connector in accordance with illustration Fit protective glass guard see chap 13 2 1 ...

Page 87: ...ofuses 1 Remove fuse box see chap 2 Item 15 from the back of the equipment and change the fuse in accordance with the illustration 13 3 Disposal Disposal of packaging and appliance must be carried out by operator according to valid national or regional law of the location where the appliance is used ...

Page 88: ...vice or heated cover Draught air movement Table floor vibrations Electromagnetic fields static charging choose different location switch off interfering device if possible Incorrect measuring result Check adjustment No resetting to zero before loading the sample Measurement is taking too long Incorrect setting shutoff criterion Measurement is not reproducible Sample is not homogenous Drying time i...

Page 89: ...facturer ERR 110 Heated cover not closed properly Press ESC to abort measuring TIM oUT Measuring start 30 minutes after resetting to zero Press ESC to abort measuring ERR 121 ERR 122 ERR 123 Failure Heating Switch equipment off and on again If the error message remains inform manufacturer ERR 124 Measuring lasts too long Check drying time switch off criterion or M ERR 200 Failure Current supply Sw...

Page 90: ...le dish Missing sample dish ERR oL ERR oL Overload Check sample dish CoM ERR Wrong remote control order Correct remote control order oL OL Overload Install sample dish correctly Reduce sample weight ABORT Process cancelled Press ESC to return to Weighing mode Should other error messages occur switch balance off and then on again If the error message remains inform manufacturer ...

Page 91: ...ponsabilité que le produit auquel se rapporte la présente déclaration est conforme aux normes citées ci après I Dichiarazione di conformitá Dichiariamo con ciò che il prodotto al quale la presente dichiarazione si riferisce è conforme alle norme di seguito citate NL Conformiteit verklaring Wij verklaren hiermede dat het product waarop deze verklaring betrekking heeft met de hierna vermelde normen ...

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